http://lod.bco-dmo.org/id/dataset/807340 eng; USA utf8 dataset Highest level of data collection, from a common set of sensors or instrumentation, usually within the same research project Biological and Chemical Oceanography Data Management Office (BCO-DMO) Unavailable 508-289-2009 WHOI MS#36 Woods Hole MA 02543 USA info@bco-dmo.org http://www.bco-dmo.org Monday - Friday 8:00am - 5:00pm For questions regarding this resource, please contact BCO-DMO via the email address provided. pointOfContact 2020-04-01 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) Size-fractionated major and minor particle composition and concentration from the US GEOTRACES Arctic cruise (HLY1502) on USCGC Healy from August to October 2015 2020-04-01 publication 2020-04-01 revision Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA) 2020-04-13 publication https://doi.org/10.26008/1912/bco-dmo.807340.1 Phoebe J. Lam University of California-Santa Cruz principalInvestigator Biological and Chemical Oceanography Data Management Office (BCO-DMO) Unavailable 508-289-2009 WHOI MS#36 Woods Hole MA 02543 USA info@bco-dmo.org http://www.bco-dmo.org Monday - Friday 8:00am - 5:00pm For questions regarding this resource, please contact BCO-DMO via the email address provided. publisher Cite this dataset as: Lam, P. (2020) Size-fractionated major and minor particle composition and concentration from the from the US GEOTRACES Arctic cruise (HLY1502) on USCGC Healy from August to October 2015. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2020-04-01 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.807340.1 [access date] Size-fractionated major and minor particle composition and concentration from the U.S. GEOTRACES Arctic Cruise (GN01) in 2015 Dataset Description: Methods and Sampling: &lt;p&gt;&lt;strong&gt;Sampling&lt;/strong&gt;&lt;br /&gt; Size-fractionated particles were collected using dual-flow McLane Research in-situ pumps (WTS-LV). More details about filter holders and deployments were described in Lam et al. (2017) and Ohnemus and Lam (2015). At most of the stations, two casts of 8 pumps each and two filter holders per pump were deployed to collect samples at 16 depths throughout the water column. At super stations, a 24-depth profile was obtained with three casts. The targeted depths of the wire-out were verified by a self-recording Seabird 19plus CTD at the end of the line and an RBR pressure logger attached to the pump at the middle of the line. The RBR was used for all casts in the entire cruise whereas the CTD was only deployed in the northbound leg due to electronic problems. 142 mm-diameter &quot;mini-MULVFS&quot; style filter holders, with multiple stages and baffle systems designed to prevent large particle loss and promote even particle distribution (Bishop et al., 2012), were used. One filter holder/flowpath was loaded with a Sefar polyester mesh prefilter (51 um pore size) and paired Whatman QMA quartz fiber filters (1 um pore size) in series (&quot;QMA-side&quot;). The other filter holder/flowpath was also loaded with a 51 um prefilter, but it was followed by paired 0.8 um Pall Supor800 polyethersulfone filters (&quot;Supor-side&quot;). A 150 um Sefar polyester mesh was placed underneath all 51 um prefilters and QMA filters as a support to facilitate filter handling. All filters and filter holders were acid leached before use based on the recommended methods in the GEOTRACES sample and sample-handling protocols (Cutter et al., 2010). QMA filters were pre-combusted at 450 ˚C for 4 hours after acid leaching.&lt;/p&gt; &lt;p&gt;'Dipped blank' filters, including the full filter sets (prefilter on top of paired QMA or paired Supor filters), were also deployed at each cast. Prior to the deployment, these filters were sandwiched in a 1 um polyester mesh filter, placed into acid-leached perforated polypropylene containers, and attached to a pump frame with plastic cable ties. All dipped blank filters were exposed to the seawater for the same amount of time, processed and analyzed as regular samples. As process blanks, dipped blank filters were used for blank subtraction, calculations of uncertainties, and determination of detection limits. A total of 33 dipped blank filter sets were collected and used for blank subtraction and determination of uncertainty and detection limit (Table 3).&lt;/p&gt; &lt;p&gt;In this dataset, data reported from the 51 um prefilter are referred to with a LPT suffix to indicate large particulate total concentrations (&amp;gt;51 um); data reported from the main filters (QMA—1-51 um —or Supor—0.8-51 um) are from the top filter of the pair only, and are referred to with a SPT suffix to indicate the small particulate total concentrations.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Analytical Procedures&lt;br /&gt; Particulate organic carbon (POC) and particulate nitrogen (PN)&lt;/strong&gt;&lt;br /&gt; POC and PN sample processing was similar to what was described in Lam et al. (2017). Samples were fumed in a desiccator with concentrated HCl and dried in the oven at 60 ˚C overnight, and then pelletized with tin discs. Tin disc encapsulated samples, from either one 25 mm-diameter punch from the top SPT QMA filters or the entire LPT silver filters, were measured using a CE Instruments NC 2500 model Carbon/Nitrogen Analyzer interfaced to a ThermoFinnigan Delta Plus XP isotope ratio mass spectrometer (IRMS) at the Stable Isotope Laboratory at University of California, Santa Cruz. Isotopic results obtained from the IRMS were calibrated using reference materials Acetanilide (C₈H₉NO). The effect of dissolved organic carbon sorption is corrected with isotopic values of dipped blanks. The isotopic data are expressed in the standard delta notation (δ) as per mil deviations (‰) with respect to international standards of Pee Dee Belemnite (PDB) and atmospheric nitrogen. The precision of the internal standard (Pugel) analyzed along with the samples in the run is 0.07‰ for δ13C and 0.14‰ for δ¹⁵N.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Particulate inorganic carbon (PIC)&lt;/strong&gt;&lt;br /&gt; A UIC Carbon dioxide coulometer was used for PIC measurement. Briefly, PIC on SPT QMA punches or 1/16 LPT QMA-side prefilter was converted to CO₂ by addition of 2 N sulfuric acid. CO₂ produced is carried by a gas stream into a coulometer cell where CO₂ is quantitatively absorbed by a cathode solution, reacted to form a titratable acid and measured based on the change in current.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Biogenic silica (bSi)&lt;/strong&gt;&lt;br /&gt; An alkaline leach with 0.2 M NaOH at 85˚C was used to leach bSi for both size fractions prior to the measurement on a Lachat QuikChem 8000 Flow Injection Analyzer at UCSC. A 4-h time-series leaching approach was applied to all samples below 500 m to take into account the contribution from lithogenic Si (Lam et al., 2017), where lithogenic Si was of significance in the overall measurement. The intercept of all points in the time series with corrections given volume changes in NaOH at different sampling points was calculated with linear regression and used to best represent the bSi concentrations, assuming bSi is completely dissolved in 1 hour and lithogenic Si is dissolved at a constant rate during the leach (Barão et al., 2015; DeMaster, 1981).&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Particulate trace metals (pTM)&lt;/strong&gt;&lt;br /&gt; The digestion method of pTM is based on a refluxing method (Cullen and Sherrell, 1999; Planquette and Sherrell, 2012) with light modifications similar to the &quot;Piranha method&quot; in Ohnemus et al. (2014). In brief, the Supor filter was adhered to the wall by surface tension in a 15 mL flat-bottom screw-cap Savillex vial to avoid immersion. After 4-h refluxing at 110 ˚C with an ultrapure (ARISTAR® or Optimaᵀᴹ grade) 50% HNO₃/10% HF (v/v) mixture, digestion acids were transferred into secondary vials and heated to near dryness. The residue was heated in 50% HNO₃/15% H₂O₂ (v/v) to dryness at 110 ˚C. The final residue was re-dissolved with 2 ml 5% HNO₃ spiked with 1 ppb In. Two certified reference materials (BCR-414 and PACS-2) were digested routinely alongside the samples to assure the quality of each digestion. Sample solutions were analyzed using an Element XR high-resolution ICP-MS (Thermo Scientific) at the UCSC Plasma Analytical Facility. Elemental concentrations were standardized using multi-element, external standard curves prepared from NIST atomic absorption-standards in 5% HNO₃. Instrument drift and matrix effects were corrected using the internal 1ppb In standard and monitored using a mixed element run standard. Concentrations were determined using external standard curves of mixed trace elements standards.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Sampling equipment: &lt;/strong&gt;Dual-flow McLane Research in-situ pumps (WTS-LV). More details can be found in the patent description (&lt;a href=&quot;https://patents.google.com/patent/US20130298702&quot; target=&quot;_blank&quot;&gt;https://patents.google.com/patent/US20130298702&lt;/a&gt;) and official website of the manufacturer (&lt;a href=&quot;https://mclanelabs.com/wts-lv-large-volume-pump/&quot; target=&quot;_blank&quot;&gt;https://mclanelabs.com/wts-lv-large-volume-pump/&lt;/a&gt;). Other instrumentation described in 'Instruments' section below.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Problem report:&lt;br /&gt; (1) Wire angles during pump deployments&lt;/strong&gt;&lt;br /&gt; Severe wire angle for the aft operations were encountered in the operation and wire angles of more than 20° during pumping were a consistent issue in the open Arctic water. The actual depth of the pumps is calibrated according to corrections based on the CTD and/or RBR pressure sensors.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;(2) Questionable measurements for certain trace metals&lt;/strong&gt;&lt;br /&gt; Problems related with sampling methods: We used Pall Supor800 polyethersulfone filters to collect pTM particles. Those type of filters are known to have high trace metal blanks for Chromium (Cr) (Ohnemus et al., 2014). Particulate chromium (pCr) concentrations are not good to use unless at shelf/slope stations, where particulate Cr concentrations in the water column are high enough.&lt;/p&gt; &lt;p&gt;Problems related to digestion methods: Thorium (Th) data are much lower than the values reported by Morton during intercalibration. Likely, the digestion method we used without submerging the entire filter in the acid mixture seems not to access all Th in the filter.&lt;/p&gt; &lt;p&gt;Problems related to ICP-MS: The median of nickel (Ni) in the LPT dipped blanks is negative. Due to potential contamination from the Ni cone in the ICP, we tend to have a high Ni blank in the acid blank at the beginning of the run and it is hard to wash it off. It is less problematic for SPT Ni, as it has much higher concentrations than LPT. Although acid blanks were carefully according to the shifting Ni baseline, Ni concentrations in both size fractionations are likely to be underestimations, and Ni data should be used with caution.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;(3) Instrumental differences (in-situ pump vs. Go-Flo bottles)&lt;/strong&gt;&lt;br /&gt; Overall, our digestion (Sherrell refluxing) of pump samples have consistently lower concentrations than Morton’s digestion of GO-FLO bottle particles. Given the good reproductivity of Go-Flo replicate particles between us and Morton lab applying different digestion protocols in each lab, it is believed that the concentration differences observed are mainly caused by sampling methods (in-situ pump vs. GO-FLO bottle &amp;amp; 0.8 um Supor vs. 0.4 um Supor). Further investigations and intercalibrations between these two sampling systems are needed in other ocean basins.&lt;/p&gt; Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1535854 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1535854 Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1438977 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1438977 completed Phoebe J. Lam University of California-Santa Cruz 831-459-4587 1156 High St. Department of Ocean Sciences Santa Cruz CA 95064 USA pjlam@ucsc.edu pointOfContact asNeeded Dataset Version: 1 Unknown Cruise Start_Latitude Start_Longitude Station_ID cast Event_ID Start_Date_UTC Start_Time_UTC Start_ISO_DateTime_UTC Sample_ID Sample_Depth Bot_Depth sliters qliters Y_LPT_CONC_PUMP_3xbuwf Flag_Y_LPT_CONC_PUMP_3xbuwf SD1_Y_LPT_CONC_PUMP_3xbuwf Y_SPT_CONC_PUMP_hg18wa Flag_Y_SPT_CONC_PUMP_hg18wa SD1_Y_SPT_CONC_PUMP_hg18wa Mo_LPT_CONC_PUMP_wzplcd Flag_Mo_LPT_CONC_PUMP_wzplcd SD1_Mo_LPT_CONC_PUMP_wzplcd Mo_SPT_CONC_PUMP_ayjtto Flag_Mo_SPT_CONC_PUMP_ayjtto SD1_Mo_SPT_CONC_PUMP_ayjtto Ag_LPT_CONC_PUMP_i0mmts Flag_Ag_LPT_CONC_PUMP_i0mmts SD1_Ag_LPT_CONC_PUMP_i0mmts Ag_SPT_CONC_PUMP_bc1d5d Flag_Ag_SPT_CONC_PUMP_bc1d5d SD1_Ag_SPT_CONC_PUMP_bc1d5d Cd_LPT_CONC_PUMP_rg9fps Flag_Cd_LPT_CONC_PUMP_rg9fps SD1_Cd_LPT_CONC_PUMP_rg9fps Cd_SPT_CONC_PUMP_siaequ Flag_Cd_SPT_CONC_PUMP_siaequ SD1_Cd_SPT_CONC_PUMP_siaequ Ba_LPT_CONC_PUMP_kc6tsy Flag_Ba_LPT_CONC_PUMP_kc6tsy SD1_Ba_LPT_CONC_PUMP_kc6tsy Ba_SPT_CONC_PUMP_fqcq6y Flag_Ba_SPT_CONC_PUMP_fqcq6y SD1_Ba_SPT_CONC_PUMP_fqcq6y La_LPT_CONC_PUMP_ij40yk Flag_La_LPT_CONC_PUMP_ij40yk SD1_La_LPT_CONC_PUMP_ij40yk La_SPT_CONC_PUMP_zhoe3m Flag_La_SPT_CONC_PUMP_zhoe3m SD1_La_SPT_CONC_PUMP_zhoe3m Ce_LPT_CONC_PUMP_xo9eme Flag_Ce_LPT_CONC_PUMP_xo9eme SD1_Ce_LPT_CONC_PUMP_xo9eme Ce_SPT_CONC_PUMP_0mta0t Flag_Ce_SPT_CONC_PUMP_0mta0t SD1_Ce_SPT_CONC_PUMP_0mta0t Nd_LPT_CONC_PUMP_q2glcj Flag_Nd_LPT_CONC_PUMP_q2glcj SD1_Nd_LPT_CONC_PUMP_q2glcj Nd_SPT_CONC_PUMP_eijs7o Flag_Nd_SPT_CONC_PUMP_eijs7o SD1_Nd_SPT_CONC_PUMP_eijs7o Pb_LPT_CONC_PUMP_lcevvi Flag_Pb_LPT_CONC_PUMP_lcevvi SD1_Pb_LPT_CONC_PUMP_lcevvi Pb_SPT_CONC_PUMP_cg95rn Flag_Pb_SPT_CONC_PUMP_cg95rn SD1_Pb_SPT_CONC_PUMP_cg95rn Th_LPT_CONC_PUMP_qgecrl Flag_Th_LPT_CONC_PUMP_qgecrl SD1_Th_LPT_CONC_PUMP_qgecrl Th_SPT_CONC_PUMP_7qszun Flag_Th_SPT_CONC_PUMP_7qszun SD1_Th_SPT_CONC_PUMP_7qszun U_LPT_CONC_PUMP_n4atmq Flag_U_LPT_CONC_PUMP_n4atmq SD1_U_LPT_CONC_PUMP_n4atmq U_SPT_CONC_PUMP_cf8ut2 Flag_U_SPT_CONC_PUMP_cf8ut2 SD1_U_SPT_CONC_PUMP_cf8ut2 Al_LPT_CONC_PUMP_dg48z9 Flag_Al_LPT_CONC_PUMP_dg48z9 SD1_Al_LPT_CONC_PUMP_dg48z9 Al_SPT_CONC_PUMP_8zppuq Flag_Al_SPT_CONC_PUMP_8zppuq SD1_Al_SPT_CONC_PUMP_8zppuq P_LPT_CONC_PUMP_rbkpv2 Flag_P_LPT_CONC_PUMP_rbkpv2 SD1_P_LPT_CONC_PUMP_rbkpv2 P_SPT_CONC_PUMP_9escme Flag_P_SPT_CONC_PUMP_9escme SD1_P_SPT_CONC_PUMP_9escme Sc_LPT_CONC_PUMP_novz7c Flag_Sc_LPT_CONC_PUMP_novz7c SD1_Sc_LPT_CONC_PUMP_novz7c Sc_SPT_CONC_PUMP_knohqr Flag_Sc_SPT_CONC_PUMP_knohqr SD1_Sc_SPT_CONC_PUMP_knohqr Ti_LPT_CONC_PUMP_dgoldt Flag_Ti_LPT_CONC_PUMP_dgoldt SD1_Ti_LPT_CONC_PUMP_dgoldt Ti_SPT_CONC_PUMP_jyopwf Flag_Ti_SPT_CONC_PUMP_jyopwf SD1_Ti_SPT_CONC_PUMP_jyopwf V_LPT_CONC_PUMP_wp9f8n Flag_V_LPT_CONC_PUMP_wp9f8n SD1_V_LPT_CONC_PUMP_wp9f8n V_SPT_CONC_PUMP_qvxjtu Flag_V_SPT_CONC_PUMP_qvxjtu SD1_V_SPT_CONC_PUMP_qvxjtu Cr_LPT_CONC_PUMP_ube3rv Flag_Cr_LPT_CONC_PUMP_ube3rv SD1_Cr_LPT_CONC_PUMP_ube3rv Cr_SPT_CONC_PUMP_vnojlx Flag_Cr_SPT_CONC_PUMP_vnojlx SD1_Cr_SPT_CONC_PUMP_vnojlx Mn_LPT_CONC_PUMP_hsrmv8 Flag_Mn_LPT_CONC_PUMP_hsrmv8 SD1_Mn_LPT_CONC_PUMP_hsrmv8 Mn_SPT_CONC_PUMP_bdoxsq Flag_Mn_SPT_CONC_PUMP_bdoxsq SD1_Mn_SPT_CONC_PUMP_bdoxsq Fe_LPT_CONC_PUMP_dzaexc Flag_Fe_LPT_CONC_PUMP_dzaexc SD1_Fe_LPT_CONC_PUMP_dzaexc Fe_SPT_CONC_PUMP_j8n6wi Flag_Fe_SPT_CONC_PUMP_j8n6wi SD1_Fe_SPT_CONC_PUMP_j8n6wi Co_LPT_CONC_PUMP_y6nqjf Flag_Co_LPT_CONC_PUMP_y6nqjf SD1_Co_LPT_CONC_PUMP_y6nqjf Co_SPT_CONC_PUMP_gszvhk Flag_Co_SPT_CONC_PUMP_gszvhk SD1_Co_SPT_CONC_PUMP_gszvhk Ni_LPT_CONC_PUMP_743rem Flag_Ni_LPT_CONC_PUMP_743rem SD1_Ni_LPT_CONC_PUMP_743rem Ni_SPT_CONC_PUMP_8x4evr Flag_Ni_SPT_CONC_PUMP_8x4evr SD1_Ni_SPT_CONC_PUMP_8x4evr Cu_LPT_CONC_PUMP_yub7yu Flag_Cu_LPT_CONC_PUMP_yub7yu SD1_Cu_LPT_CONC_PUMP_yub7yu Cu_SPT_CONC_PUMP_ku5nvi Flag_Cu_SPT_CONC_PUMP_ku5nvi SD1_Cu_SPT_CONC_PUMP_ku5nvi Zn_LPT_CONC_PUMP_cqkxbz Flag_Zn_LPT_CONC_PUMP_cqkxbz SD1_Zn_LPT_CONC_PUMP_cqkxbz Zn_SPT_CONC_PUMP_lmd4lw Flag_Zn_SPT_CONC_PUMP_lmd4lw SD1_Zn_SPT_CONC_PUMP_lmd4lw POC_LPT_CONC_PUMP_pkzkvw Flag_POC_LPT_CONC_PUMP_pkzkvw SD1_POC_LPT_CONC_PUMP_pkzkvw POC_SPT_CONC_PUMP_sequc7 Flag_POC_SPT_CONC_PUMP_sequc7 SD1_POC_SPT_CONC_PUMP_sequc7 POC_13_12_LPT_DELTA_PUMP_eob0fm Flag_POC_13_12_LPT_DELTA_PUMP_eob0fm SD1_POC_13_12_LPT_DELTA_PUMP_eob0fm POC_13_12_RAW_DELTA_LPT_CONC_PUMP POC_13_12_RAW_DELTA_LPT_CONC_PUMP_QV_GTSPP POC_13_12_SPT_DELTA_PUMP_dqqrsv Flag_POC_13_12_SPT_DELTA_PUMP_dqqrsv SD1_POC_13_12_SPT_DELTA_PUMP_dqqrsv POC_13_12_RAW_DELTA_SPT_CONC_PUMP POC_13_12_RAW_DELTA_SPT_CONC_PUMP_QV_GTSPP N_LPT_CONC_PUMP_cc3v0x Flag_N_LPT_CONC_PUMP_cc3v0x SD1_N_LPT_CONC_PUMP_cc3v0x N_SPT_CONC_PUMP_odbrch Flag_N_SPT_CONC_PUMP_odbrch SD1_N_SPT_CONC_PUMP_odbrch N_15_14_LPT_DELTA_PUMP_5sqj5d Flag_N_15_14_LPT_DELTA_PUMP_5sqj5d SD1_N_15_14_LPT_DELTA_PUMP_5sqj5d PN_15_14_RAW_DELTA_LPT_CONC_PUMP PN_15_14_RAW_DELTA_LPT_CONC_PUMP_QV_GTSPP N_15_14_SPT_DELTA_PUMP_va6kws Flag_N_15_14_SPT_DELTA_PUMP_va6kws SD1_N_15_14_SPT_DELTA_PUMP_va6kws PN_15_14_RAW_DELTA_SPT_CONC_PUMP PN_15_14_RAW_DELTA_SPT_CONC_PUMP_QV_GTSPP PIC_LPT_CONC_PUMP_5usecl Flag_PIC_LPT_CONC_PUMP_5usecl SD1_PIC_LPT_CONC_PUMP_5usecl PIC_SPT_CONC_PUMP_c4ggbb Flag_PIC_SPT_CONC_PUMP_c4ggbb SD1_PIC_SPT_CONC_PUMP_c4ggbb bSi_LPT_CONC_PUMP_vqv6ut Flag_bSi_LPT_CONC_PUMP_vqv6ut SD1_bSi_LPT_CONC_PUMP_vqv6ut bSi_SPT_CONC_PUMP_xgkara Flag_bSi_SPT_CONC_PUMP_xgkara SD1_bSi_SPT_CONC_PUMP_xgkara POM_LPT_CONC_PUMP POM_LPT_CONC_PUMP_QV_GTSPP POM_LPT_CONC_PUMP_STDEV POM_SPT_CONC_PUMP POM_SPT_CONC_PUMP_QV_GTSPP POM_SPT_CONC_PUMP_STDEV OPAL_LPT_CONC_PUMP OPAL_LPT_CONC_PUMP_QV_GTSPP OPAL_LPT_CONC_PUMP_STDEV OPAL_SPT_CONC_PUMP OPAL_SPT_CONC_PUMP_QV_GTSPP OPAL_SPT_CONC_PUMP_STDEV CaCO3_LPT_CONC_PUMP CaCO3_LPT_CONC_PUMP_QV_GTSPP CaCO3_LPT_CONC_PUMP_STDEV CaCO3_SPT_CONC_PUMP CaCO3_SPT_CONC_PUMP_QV_GTSPP CaCO3_SPT_CONC_PUMP_STDEV LITHO_LPT_CONC_PUMP LITHO_LPT_CONC_PUMP_QV_GTSPP LITHO_LPT_CONC_PUMP_STDEV LITHO_SPT_CONC_PUMP LITHO_SPT_CONC_PUMP_QV_GTSPP LITHO_SPT_CONC_PUMP_STDEV FeOH3_LPT_CONC_PUMP FeOH3_LPT_CONC_PUMP_QV_GTSPP FeOH3_LPT_CONC_PUMP_STDEV FeOH3_SPT_CONC_PUMP FeOH3_SPT_CONC_PUMP_QV_GTSPP FeOH3_SPT_CONC_PUMP_STDEV MnO2_LPT_CONC_PUMP MnO2_LPT_CONC_PUMP_QV_GTSPP MnO2_LPT_CONC_PUMP_STDEV MnO2_SPT_CONC_PUMP MnO2_SPT_CONC_PUMP_QV_GTSPP MnO2_SPT_CONC_PUMP_STDEV PARTICLEMASS_LPT_CONC_PUMP_rtxfor Flag_PARTICLEMASS_LPT_CONC_PUMP_rtxfor SD1_PARTICLEMASS_LPT_CONC_PUMP_rtxfor PARTICLEMASS_SPT_CONC_PUMP_kh3ktl Flag_PARTICLEMASS_SPT_CONC_PUMP_kh3ktl SD1_PARTICLEMASS_SPT_CONC_PUMP_kh3ktl UIC Carbon dioxide coulometer CE Instruments NC2500 Lachat QuikChem 8000 Flow Injection Analyzer Element XR high-resolution ICP-MS (Thermo) ThermoFinnigan Delta Plus XP isotope ratio Dual-flow McLane Research in-situ pumps (WTS-LV) theme None, User defined Cruise identfier latitude longitude station cast event date time of day ISO_DateTime_UTC sample identification depth depth_w volume trace element concentration quality flag featureType BCO-DMO Standard Parameters CO2 Coulometer Elemental Analyzer Flow Injection Analyzer Inductively Coupled Plasma Mass Spectrometer Isotope-ratio Mass Spectrometer McLane Large Volume Pumping System WTS-LV instrument BCO-DMO Standard Instruments HLY1502 service Deployment Activity Western Arctic Ocean place Locations otherRestrictions otherRestrictions Access Constraints: none. Use Constraints: Please follow guidelines at: http://www.bco-dmo.org/terms-use Distribution liability: Under no circumstances shall BCO-DMO be liable for any direct, incidental, special, consequential, indirect, or punitive damages that result from the use of, or the inability to use, the materials in this data submission. If you are dissatisfied with any materials in this data submission your sole and exclusive remedy is to discontinue use. U.S. GEOTRACES http://www.geotraces.org/ U.S. GEOTRACES GEOTRACES is a SCOR sponsored program; and funding for program infrastructure development is provided by the U.S. National Science Foundation. GEOTRACES gained momentum following a special symposium, S02: Biogeochemical cycling of trace elements and isotopes in the ocean and applications to constrain contemporary marine processes (GEOSECS II), at a 2003 Goldschmidt meeting convened in Japan. The GEOSECS II acronym referred to the Geochemical Ocean Section Studies To determine full water column distributions of selected trace elements and isotopes, including their concentration, chemical speciation, and physical form, along a sufficient number of sections in each ocean basin to establish the principal relationships between these distributions and with more traditional hydrographic parameters; * To evaluate the sources, sinks, and internal cycling of these species and thereby characterize more completely the physical, chemical and biological processes regulating their distributions, and the sensitivity of these processes to global change; and * To understand the processes that control the concentrations of geochemical species used for proxies of the past environment, both in the water column and in the substrates that reflect the water column. GEOTRACES will be global in scope, consisting of ocean sections complemented by regional process studies. Sections and process studies will combine fieldwork, laboratory experiments and modelling. Beyond realizing the scientific objectives identified above, a natural outcome of this work will be to build a community of marine scientists who understand the processes regulating trace element cycles sufficiently well to exploit this knowledge reliably in future interdisciplinary studies. Expand "Projects" below for information about and data resulting from individual US GEOTRACES research projects. U.S. GEOTRACES largerWorkCitation program U.S. Arctic GEOTRACES Study (GN01) https://www.geotraces.org/ U.S. Arctic GEOTRACES Study (GN01) <p><em>Description from NSF award abstract:</em><br /> In pursuit of its goal "to identify processes and quantify fluxes that control the distributions of key trace elements and isotopes in the ocean, and to establish the sensitivity of these distributions to changing environmental conditions", in 2015 the International GEOTRACES Program will embark on several years of research in the Arctic Ocean. In a region where climate warming and general environmental change are occurring at amazing speed, research such as this is important for understanding the current state of Arctic Ocean geochemistry and for developing predictive capability as the regional ecosystem continues to warm and influence global oceanic and climatic conditions. The three investigators funded on this award, will manage a large team of U.S.scientists who will compete through the regular NSF proposal process to contribute their own unique expertise in marine trace metal, isotopic, and carbon cycle geochemistry to the U.S. effort. The three managers will be responsible for arranging and overseeing at-sea technical services such as hydrographic measurements, nutrient analyses, and around-the-clock management of on-deck sampling activites upon which all participants depend, and for organizing all pre- and post-cruise technical support and scientific meetings. The management team will also lead educational outreach activities for the general public in Nome and Barrow, Alaska, to explain the significance of the study to these communities and to learn from residents' insights on observed changes in the marine system. The project itself will provide for the support and training of a number of pre-doctoral students and post-doctoral researchers. Inasmuch as the Arctic Ocean is an epicenter of global climate change, findings of this study are expected to advance present capability to forecast changes in regional and globlal ecosystem and climate system functioning.</p> <p>As the United States' contribution to the International GEOTRACES Arctic Ocean initiative, this project will be part of an ongoing multi-national effort to further scientific knowledge about trace elements and isotopes in the world ocean. This U.S. expedition will focus on the western Arctic Ocean in the boreal summer of 2015. The scientific team will consist of the management team funded through this award plus a team of scientists from U.S. academic institutions who will have successfully competed for and received NSF funds for specific science projects in time to participate in the final stages of cruise planning. The cruise track segments will include the Bering Strait, Chukchi shelf, and the deep Canada Basin. Several stations will be designated as so-called super stations for intense study of atmospheric aerosols, sea ice, and sediment chemistry as well as water-column processes. In total, the set of coordinated international expeditions will involve the deployment of ice-capable research ships from 6 nations (US, Canada, Germany, Sweden, UK, and Russia) across different parts of the Arctic Ocean, and application of state-of-the-art methods to unravel the complex dynamics of trace metals and isotopes that are important as oceanographic and biogeochemical tracers in the sea.</p> U.S. GEOTRACES Arctic largerWorkCitation project Collaborative Research: GEOTRACES Arctic Section: The Geochemistry Size-fractionated Suspended Particles Collected by in-situ Filtration https://osprey.bco-dmo.org/project/776232 Collaborative Research: GEOTRACES Arctic Section: The Geochemistry Size-fractionated Suspended Particles Collected by in-situ Filtration <p><em>NSF Award Abstract:</em><br /> An investigator from Woods Hole Oceanographic Institution participating in the 2015 U.S. GEOTRACES Arctic expedition will collect and analyze suspended particulate matter in the Western Arctic Ocean to better understand cycling of trace elements in the region. In common with other multinational initiatives in the International GEOTRACES Program, the goals of the U.S. Arctic expedition are to identify processes and quantify fluxes that control the distributions of key trace elements and isotopes in the ocean, and to establish the sensitivity of these distributions to changing environmental conditions. Some trace elements are essential to life, others are known biological toxins, and still others are important because they can be used as tracers of a variety of physical, chemical, and biological processes in the sea. Particles are a key parameter for the GEOTRACES program because of their role as sources, sinks, and in the cycling of trace elements. Results from this study will be shared through outreach to native groups in Alaska. The project will involve training of graduate and undergraduate students.</p> <p>Particle cycling in the Arctic Ocean is profoundly different from other ocean basins. Extremely low primary production in the perennially ice-covered central Arctic leads to a very weak biological pump. With little particle flux coming from above, the dominant source of particles to the Arctic Basin appears to be lateral transport from the margins, and these laterally transported particles have much higher lithogenic content than is typically found in particles in other ocean basins. The different source and composition of particles in the Arctic potentially sets up a completely different dynamic for the removal of particle-reactive trace elements and their isotopes from the water column than is currently understood. There has yet to be a comprehensive survey of the concentration and composition of suspended particles in the Arctic. In this study, the size-fractionated suspended particles will be analyzed for major phases and trace element composition, measurements needed to determine scavenging removal of particle reactive elements and provide insight into the mechanisms controlling the biological pump.</p> GEOTRACES Arctic Particle Composition largerWorkCitation project eng; USA oceans Western Arctic Ocean -179.99975 178.926833 60.2238833 89.9969667 2015-08-12 2015-10-08 From projects that focused on the following 2 locations: 1. Arctic Ocean; Sailing from Dutch Harbor to Dutch Harbor (GN01) 2. Western Arctic 0 BCO-DMO catalogue of parameters from Size-fractionated major and minor particle composition and concentration from the US GEOTRACES Arctic cruise (HLY1502) on USCGC Healy from August to October 2015 Biological and Chemical Oceanography Data Management Office (BCO-DMO) Unavailable 508-289-2009 WHOI MS#36 Woods Hole MA 02543 USA info@bco-dmo.org http://www.bco-dmo.org Monday - Friday 8:00am - 5:00pm For questions regarding this resource, please contact BCO-DMO via the email address provided. pointOfContact http://lod.bco-dmo.org/id/dataset-parameter/807903.rdf Name: Cruise Units: None Description: <p>Cruise identifier</p> http://lod.bco-dmo.org/id/dataset-parameter/807904.rdf Name: Start_Latitude Units: degrees North Description: <p>Latitude of pump cast</p> http://lod.bco-dmo.org/id/dataset-parameter/807905.rdf Name: Start_Longitude Units: degrees East Description: <p>Longitude of pump cast</p> http://lod.bco-dmo.org/id/dataset-parameter/807906.rdf Name: Station_ID Units: None Description: <p>Station number</p> http://lod.bco-dmo.org/id/dataset-parameter/807907.rdf Name: cast Units: None Description: <p>Cast number</p> http://lod.bco-dmo.org/id/dataset-parameter/807908.rdf Name: Event_ID Units: None Description: <p>Event number</p> http://lod.bco-dmo.org/id/dataset-parameter/807909.rdf Name: Start_Date_UTC Units: None Description: <p>Date of the midpoint of pumping; format: dd/mm/yyyy</p> http://lod.bco-dmo.org/id/dataset-parameter/807910.rdf Name: Start_Time_UTC Units: None Description: <p>Time (UTC) of the midpoint of pumping; format: HH:MM:SS</p> http://lod.bco-dmo.org/id/dataset-parameter/807911.rdf Name: Start_ISO_DateTime_UTC Units: None Description: <p>Date and time (UTC) formatted to ISO 8601 standard; format: YYYY-mm-ddTHH:MM:SSZ</p> http://lod.bco-dmo.org/id/dataset-parameter/807912.rdf Name: Sample_ID Units: None Description: <p>GEOTRACES sample ID number</p> http://lod.bco-dmo.org/id/dataset-parameter/807913.rdf Name: Sample_Depth Units: meters (m) Description: <p>Final depth of pump sample</p> http://lod.bco-dmo.org/id/dataset-parameter/807914.rdf Name: Bot_Depth Units: meters (m) Description: <p>Water depth at time of cast</p> http://lod.bco-dmo.org/id/dataset-parameter/807915.rdf Name: sliters Units: liters (L) Description: <p>volume pumped through the filter holder containing paired Supor filters</p> http://lod.bco-dmo.org/id/dataset-parameter/807916.rdf Name: qliters Units: liters (L) Description: <p>volume pumped through the filter holder containing paired QMA filters</p> http://lod.bco-dmo.org/id/dataset-parameter/807917.rdf Name: Y_LPT_CONC_PUMP_3xbuwf Units: pmol/kg Description: <p>Concentration of total particulate yttrium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807918.rdf Name: Flag_Y_LPT_CONC_PUMP_3xbuwf Units: None Description: <p>Quality flag for Y_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807919.rdf Name: SD1_Y_LPT_CONC_PUMP_3xbuwf Units: pmol/kg Description: <p>Error estimate for Y_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807920.rdf Name: Y_SPT_CONC_PUMP_hg18wa Units: pmol/kg Description: <p>Concentration of total particulate yttrium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807921.rdf Name: Flag_Y_SPT_CONC_PUMP_hg18wa Units: None Description: <p>Quality flag for Y_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807922.rdf Name: SD1_Y_SPT_CONC_PUMP_hg18wa Units: pmol/kg Description: <p>Error estimate for Y_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807923.rdf Name: Mo_LPT_CONC_PUMP_wzplcd Units: pmol/kg Description: <p>Concentration of total particulate molybdenum determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807924.rdf Name: Flag_Mo_LPT_CONC_PUMP_wzplcd Units: None Description: <p>Quality flag for Mo_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807925.rdf Name: SD1_Mo_LPT_CONC_PUMP_wzplcd Units: pmol/kg Description: <p>Error estimate for Mo_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807926.rdf Name: Mo_SPT_CONC_PUMP_ayjtto Units: pmol/kg Description: <p>Concentration of total particulate molybdenum determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807927.rdf Name: Flag_Mo_SPT_CONC_PUMP_ayjtto Units: None Description: <p>Quality flag for Mo_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807928.rdf Name: SD1_Mo_SPT_CONC_PUMP_ayjtto Units: pmol/kg Description: <p>Error estimate for Mo_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807929.rdf Name: Ag_LPT_CONC_PUMP_i0mmts Units: pmol/kg Description: <p>Concentration of total particulate silver determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807930.rdf Name: Flag_Ag_LPT_CONC_PUMP_i0mmts Units: None Description: <p>Quality flag for Ag_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807931.rdf Name: SD1_Ag_LPT_CONC_PUMP_i0mmts Units: pmol/kg Description: <p>Error estimate for Ag_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807932.rdf Name: Ag_SPT_CONC_PUMP_bc1d5d Units: pmol/kg Description: <p>Concentration of total particulate silver determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807933.rdf Name: Flag_Ag_SPT_CONC_PUMP_bc1d5d Units: None Description: <p>Quality flag for Ag_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807934.rdf Name: SD1_Ag_SPT_CONC_PUMP_bc1d5d Units: pmol/kg Description: <p>Error estimate for Ag_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807935.rdf Name: Cd_LPT_CONC_PUMP_rg9fps Units: pmol/kg Description: <p>Concentration of total particulate cadmium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807936.rdf Name: Flag_Cd_LPT_CONC_PUMP_rg9fps Units: None Description: <p>Quality flag for Cd_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807937.rdf Name: SD1_Cd_LPT_CONC_PUMP_rg9fps Units: pmol/kg Description: <p>Error estimate for Cd_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807938.rdf Name: Cd_SPT_CONC_PUMP_siaequ Units: pmol/kg Description: <p>Concentration of total particulate cadmium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807939.rdf Name: Flag_Cd_SPT_CONC_PUMP_siaequ Units: None Description: <p>Quality flag for Cd_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807940.rdf Name: SD1_Cd_SPT_CONC_PUMP_siaequ Units: pmol/kg Description: <p>Error estimate for Cd_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807941.rdf Name: Ba_LPT_CONC_PUMP_kc6tsy Units: pmol/kg Description: <p>Concentration of total particulate barium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807942.rdf Name: Flag_Ba_LPT_CONC_PUMP_kc6tsy Units: None Description: <p>Quality flag for Ba_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807943.rdf Name: SD1_Ba_LPT_CONC_PUMP_kc6tsy Units: pmol/kg Description: <p>Error estimate for Ba_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807944.rdf Name: Ba_SPT_CONC_PUMP_fqcq6y Units: pmol/kg Description: <p>Concentration of total particulate barium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807945.rdf Name: Flag_Ba_SPT_CONC_PUMP_fqcq6y Units: None Description: <p>Quality flag for Ba_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807946.rdf Name: SD1_Ba_SPT_CONC_PUMP_fqcq6y Units: pmol/kg Description: <p>Error estimate for Ba_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807947.rdf Name: La_LPT_CONC_PUMP_ij40yk Units: pmol/kg Description: <p>Concentration of total particulate lanthanum determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807948.rdf Name: Flag_La_LPT_CONC_PUMP_ij40yk Units: None Description: <p>Quality flag for La_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807949.rdf Name: SD1_La_LPT_CONC_PUMP_ij40yk Units: pmol/kg Description: <p>Error estimate for La_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807950.rdf Name: La_SPT_CONC_PUMP_zhoe3m Units: pmol/kg Description: <p>Concentration of total particulate lanthanum determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807951.rdf Name: Flag_La_SPT_CONC_PUMP_zhoe3m Units: None Description: <p>Quality flag for La_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807952.rdf Name: SD1_La_SPT_CONC_PUMP_zhoe3m Units: pmol/kg Description: <p>Error estimate for La_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807953.rdf Name: Ce_LPT_CONC_PUMP_xo9eme Units: pmol/kg Description: <p>Concentration of total particulate cerium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807954.rdf Name: Flag_Ce_LPT_CONC_PUMP_xo9eme Units: None Description: <p>Quality flag for Ce_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807955.rdf Name: SD1_Ce_LPT_CONC_PUMP_xo9eme Units: pmol/kg Description: <p>Error estimate for Ce_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807956.rdf Name: Ce_SPT_CONC_PUMP_0mta0t Units: pmol/kg Description: <p>Concentration of total particulate cerium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807957.rdf Name: Flag_Ce_SPT_CONC_PUMP_0mta0t Units: None Description: <p>Quality flag for Ce_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807958.rdf Name: SD1_Ce_SPT_CONC_PUMP_0mta0t Units: pmol/kg Description: <p>Error estimate for Ce_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807959.rdf Name: Nd_LPT_CONC_PUMP_q2glcj Units: pmol/kg Description: <p>Concentration of total particulate neodymium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807960.rdf Name: Flag_Nd_LPT_CONC_PUMP_q2glcj Units: None Description: <p>Quality flag for Nd_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807961.rdf Name: SD1_Nd_LPT_CONC_PUMP_q2glcj Units: pmol/kg Description: <p>Error estimate for Nd_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807962.rdf Name: Nd_SPT_CONC_PUMP_eijs7o Units: pmol/kg Description: <p>Concentration of total particulate neodymium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807963.rdf Name: Flag_Nd_SPT_CONC_PUMP_eijs7o Units: None Description: <p>Quality flag for Nd_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807964.rdf Name: SD1_Nd_SPT_CONC_PUMP_eijs7o Units: pmol/kg Description: <p>Error estimate for Nd_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807965.rdf Name: Pb_LPT_CONC_PUMP_lcevvi Units: pmol/kg Description: <p>Concentration of total particulate lead determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807966.rdf Name: Flag_Pb_LPT_CONC_PUMP_lcevvi Units: None Description: <p>Quality flag for Pb_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807967.rdf Name: SD1_Pb_LPT_CONC_PUMP_lcevvi Units: pmol/kg Description: <p>Error estimate for Pb_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807968.rdf Name: Pb_SPT_CONC_PUMP_cg95rn Units: pmol/kg Description: <p>Concentration of total particulate lead determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807969.rdf Name: Flag_Pb_SPT_CONC_PUMP_cg95rn Units: None Description: <p>Quality flag for Pb_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807970.rdf Name: SD1_Pb_SPT_CONC_PUMP_cg95rn Units: pmol/kg Description: <p>Error estimate for Pb_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807971.rdf Name: Th_LPT_CONC_PUMP_qgecrl Units: pmol/kg Description: <p>Concentration of total particulate thorium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807972.rdf Name: Flag_Th_LPT_CONC_PUMP_qgecrl Units: None Description: <p>Quality flag for Th_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807973.rdf Name: SD1_Th_LPT_CONC_PUMP_qgecrl Units: pmol/kg Description: <p>Error estimate for Th_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807974.rdf Name: Th_SPT_CONC_PUMP_7qszun Units: pmol/kg Description: <p>Concentration of total particulate thorium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807975.rdf Name: Flag_Th_SPT_CONC_PUMP_7qszun Units: None Description: <p>Quality flag for Th_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807976.rdf Name: SD1_Th_SPT_CONC_PUMP_7qszun Units: pmol/kg Description: <p>Error estimate for Th_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807977.rdf Name: U_LPT_CONC_PUMP_n4atmq Units: pmol/kg Description: <p>Concentration of total particulate uranium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807978.rdf Name: Flag_U_LPT_CONC_PUMP_n4atmq Units: None Description: <p>Quality flag for U_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807979.rdf Name: SD1_U_LPT_CONC_PUMP_n4atmq Units: pmol/kg Description: <p>Error estimate for U_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807980.rdf Name: U_SPT_CONC_PUMP_cf8ut2 Units: pmol/kg Description: <p>Concentration of total particulate uranium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807981.rdf Name: Flag_U_SPT_CONC_PUMP_cf8ut2 Units: None Description: <p>Quality flag for U_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807982.rdf Name: SD1_U_SPT_CONC_PUMP_cf8ut2 Units: pmol/kg Description: <p>Error estimate for U_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807983.rdf Name: Al_LPT_CONC_PUMP_dg48z9 Units: nmol/kg Description: <p>Concentration of total particulate aluminium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807984.rdf Name: Flag_Al_LPT_CONC_PUMP_dg48z9 Units: None Description: <p>Quality flag for Al_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807985.rdf Name: SD1_Al_LPT_CONC_PUMP_dg48z9 Units: nmol/kg Description: <p>Error estimate for Al_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807986.rdf Name: Al_SPT_CONC_PUMP_8zppuq Units: nmol/kg Description: <p>Concentration of total particulate aluminium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807987.rdf Name: Flag_Al_SPT_CONC_PUMP_8zppuq Units: None Description: <p>Quality flag for Al_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807988.rdf Name: SD1_Al_SPT_CONC_PUMP_8zppuq Units: nmol/kg Description: <p>Error estimate for Al_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807989.rdf Name: P_LPT_CONC_PUMP_rbkpv2 Units: nmol/kg Description: <p>Concentration of total particulate phosphorus determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807990.rdf Name: Flag_P_LPT_CONC_PUMP_rbkpv2 Units: None Description: <p>Quality flag for P_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807991.rdf Name: SD1_P_LPT_CONC_PUMP_rbkpv2 Units: nmol/kg Description: <p>Error estimate for P_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807992.rdf Name: P_SPT_CONC_PUMP_9escme Units: nmol/kg Description: <p>Concentration of total particulate phosphorus determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807993.rdf Name: Flag_P_SPT_CONC_PUMP_9escme Units: None Description: <p>Quality flag for P_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807994.rdf Name: SD1_P_SPT_CONC_PUMP_9escme Units: nmol/kg Description: <p>Error estimate for P_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807995.rdf Name: Sc_LPT_CONC_PUMP_novz7c Units: pmol/kg Description: <p>Concentration of total particulate scandium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807996.rdf Name: Flag_Sc_LPT_CONC_PUMP_novz7c Units: None Description: <p>Quality flag for Sc_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807997.rdf Name: SD1_Sc_LPT_CONC_PUMP_novz7c Units: pmol/kg Description: <p>Error estimate for Sc_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/807998.rdf Name: Sc_SPT_CONC_PUMP_knohqr Units: pmol/kg Description: <p>Concentration of total particulate scandium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/807999.rdf Name: Flag_Sc_SPT_CONC_PUMP_knohqr Units: None Description: <p>Quality flag for Sc_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808000.rdf Name: SD1_Sc_SPT_CONC_PUMP_knohqr Units: pmol/kg Description: <p>Error estimate for Sc_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808001.rdf Name: Ti_LPT_CONC_PUMP_dgoldt Units: pmol/kg Description: <p>Concentration of total particulate titanium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808002.rdf Name: Flag_Ti_LPT_CONC_PUMP_dgoldt Units: None Description: <p>Quality flag for Ti_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808003.rdf Name: SD1_Ti_LPT_CONC_PUMP_dgoldt Units: pmol/kg Description: <p>Error estimate for Ti_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808004.rdf Name: Ti_SPT_CONC_PUMP_jyopwf Units: pmol/kg Description: <p>Concentration of total particulate titanium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808005.rdf Name: Flag_Ti_SPT_CONC_PUMP_jyopwf Units: None Description: <p>Quality flag for Ti_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808006.rdf Name: SD1_Ti_SPT_CONC_PUMP_jyopwf Units: pmol/kg Description: <p>Error estimate for Ti_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808007.rdf Name: V_LPT_CONC_PUMP_wp9f8n Units: pmol/kg Description: <p>Concentration of total particulate vanadium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808008.rdf Name: Flag_V_LPT_CONC_PUMP_wp9f8n Units: None Description: <p>Quality flag for V_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808009.rdf Name: SD1_V_LPT_CONC_PUMP_wp9f8n Units: pmol/kg Description: <p>Error estimate for V_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808010.rdf Name: V_SPT_CONC_PUMP_qvxjtu Units: pmol/kg Description: <p>Concentration of total particulate vanadium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808011.rdf Name: Flag_V_SPT_CONC_PUMP_qvxjtu Units: None Description: <p>Quality flag for V_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808012.rdf Name: SD1_V_SPT_CONC_PUMP_qvxjtu Units: pmol/kg Description: <p>Error estimate for V_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808013.rdf Name: Cr_LPT_CONC_PUMP_ube3rv Units: pmol/kg Description: <p>Concentration of total particulate chromium determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808014.rdf Name: Flag_Cr_LPT_CONC_PUMP_ube3rv Units: None Description: <p>Quality flag for Cr_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808015.rdf Name: SD1_Cr_LPT_CONC_PUMP_ube3rv Units: pmol/kg Description: <p>Error estimate for Cr_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808016.rdf Name: Cr_SPT_CONC_PUMP_vnojlx Units: pmol/kg Description: <p>Concentration of total particulate chromium determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808017.rdf Name: Flag_Cr_SPT_CONC_PUMP_vnojlx Units: None Description: <p>Quality flag for Cr_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808018.rdf Name: SD1_Cr_SPT_CONC_PUMP_vnojlx Units: pmol/kg Description: <p>Error estimate for Cr_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808019.rdf Name: Mn_LPT_CONC_PUMP_hsrmv8 Units: nmol/kg Description: <p>Concentration of total particulate manganese determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808020.rdf Name: Flag_Mn_LPT_CONC_PUMP_hsrmv8 Units: None Description: <p>Quality flag for Mn_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808021.rdf Name: SD1_Mn_LPT_CONC_PUMP_hsrmv8 Units: nmol/kg Description: <p>Error estimate for Mn_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808022.rdf Name: Mn_SPT_CONC_PUMP_bdoxsq Units: nmol/kg Description: <p>Concentration of total particulate manganese determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808023.rdf Name: Flag_Mn_SPT_CONC_PUMP_bdoxsq Units: None Description: <p>Quality flag for Mn_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808024.rdf Name: SD1_Mn_SPT_CONC_PUMP_bdoxsq Units: nmol/kg Description: <p>Error estimate for Mn_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808025.rdf Name: Fe_LPT_CONC_PUMP_dzaexc Units: nmol/kg Description: <p>Concentration of total particulate iron determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808026.rdf Name: Flag_Fe_LPT_CONC_PUMP_dzaexc Units: None Description: <p>Quality flag for Fe_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808027.rdf Name: SD1_Fe_LPT_CONC_PUMP_dzaexc Units: nmol/kg Description: <p>Error estimate for Fe_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808028.rdf Name: Fe_SPT_CONC_PUMP_j8n6wi Units: nmol/kg Description: <p>Concentration of total particulate iron determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808029.rdf Name: Flag_Fe_SPT_CONC_PUMP_j8n6wi Units: None Description: <p>Quality flag for Fe_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808030.rdf Name: SD1_Fe_SPT_CONC_PUMP_j8n6wi Units: nmol/kg Description: <p>Error estimate for Fe_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808031.rdf Name: Co_LPT_CONC_PUMP_y6nqjf Units: pmol/kg Description: <p>Concentration of total particulate cobalt determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808032.rdf Name: Flag_Co_LPT_CONC_PUMP_y6nqjf Units: None Description: <p>Quality flag for Co_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808033.rdf Name: SD1_Co_LPT_CONC_PUMP_y6nqjf Units: pmol/kg Description: <p>Error estimate for Co_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808034.rdf Name: Co_SPT_CONC_PUMP_gszvhk Units: pmol/kg Description: <p>Concentration of total particulate cobalt determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808035.rdf Name: Flag_Co_SPT_CONC_PUMP_gszvhk Units: None Description: <p>Quality flag for Co_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808036.rdf Name: SD1_Co_SPT_CONC_PUMP_gszvhk Units: pmol/kg Description: <p>Error estimate for Co_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808037.rdf Name: Ni_LPT_CONC_PUMP_743rem Units: pmol/kg Description: <p>Concentration of total particulate nickel determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808038.rdf Name: Flag_Ni_LPT_CONC_PUMP_743rem Units: None Description: <p>Quality flag for Ni_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808039.rdf Name: SD1_Ni_LPT_CONC_PUMP_743rem Units: pmol/kg Description: <p>Error estimate for Ni_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808040.rdf Name: Ni_SPT_CONC_PUMP_8x4evr Units: pmol/kg Description: <p>Concentration of total particulate nickel determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808041.rdf Name: Flag_Ni_SPT_CONC_PUMP_8x4evr Units: None Description: <p>Quality flag for Ni_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808042.rdf Name: SD1_Ni_SPT_CONC_PUMP_8x4evr Units: pmol/kg Description: <p>Error estimate for Ni_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808043.rdf Name: Cu_LPT_CONC_PUMP_yub7yu Units: pmol/kg Description: <p>Concentration of total particulate copper determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808044.rdf Name: Flag_Cu_LPT_CONC_PUMP_yub7yu Units: None Description: <p>Quality flag for Cu_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808045.rdf Name: SD1_Cu_LPT_CONC_PUMP_yub7yu Units: pmol/kg Description: <p>Error estimate for Cu_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808046.rdf Name: Cu_SPT_CONC_PUMP_ku5nvi Units: pmol/kg Description: <p>Concentration of total particulate copper determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808047.rdf Name: Flag_Cu_SPT_CONC_PUMP_ku5nvi Units: None Description: <p>Quality flag for Cu_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808048.rdf Name: SD1_Cu_SPT_CONC_PUMP_ku5nvi Units: pmol/kg Description: <p>Error estimate for Cu_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808049.rdf Name: Zn_LPT_CONC_PUMP_cqkxbz Units: pmol/kg Description: <p>Concentration of total particulate zinc determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808050.rdf Name: Flag_Zn_LPT_CONC_PUMP_cqkxbz Units: None Description: <p>Quality flag for Zn_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808051.rdf Name: SD1_Zn_LPT_CONC_PUMP_cqkxbz Units: pmol/kg Description: <p>Error estimate for Zn_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808052.rdf Name: Zn_SPT_CONC_PUMP_lmd4lw Units: pmol/kg Description: <p>Concentration of total particulate zinc determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808053.rdf Name: Flag_Zn_SPT_CONC_PUMP_lmd4lw Units: None Description: <p>Quality flag for Zn_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808054.rdf Name: SD1_Zn_SPT_CONC_PUMP_lmd4lw Units: pmol/kg Description: <p>Error estimate for Zn_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808055.rdf Name: POC_LPT_CONC_PUMP_pkzkvw Units: umol C/kg Description: <p>Concentration of particulate organic carbon determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808056.rdf Name: Flag_POC_LPT_CONC_PUMP_pkzkvw Units: None Description: <p>Quality flag for POC_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808057.rdf Name: SD1_POC_LPT_CONC_PUMP_pkzkvw Units: umol C/kg Description: <p>Error estimate for POC_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808058.rdf Name: POC_SPT_CONC_PUMP_sequc7 Units: umol C/kg Description: <p>Concentration of particulate organic carbon determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808059.rdf Name: Flag_POC_SPT_CONC_PUMP_sequc7 Units: None Description: <p>Quality flag for POC_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808060.rdf Name: SD1_POC_SPT_CONC_PUMP_sequc7 Units: umol C/kg Description: <p>Error estimate for POC_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808061.rdf Name: POC_13_12_LPT_DELTA_PUMP_eob0fm Units: per mil Description: <p>Concentration of particulate C-13 isotopic composition, corrected for blank d13C determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808062.rdf Name: Flag_POC_13_12_LPT_DELTA_PUMP_eob0fm Units: None Description: <p>Quality flag for POC_13_12_LPT_DELTA_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808063.rdf Name: SD1_POC_13_12_LPT_DELTA_PUMP_eob0fm Units: per mil Description: <p>Error estimate for POC_13_12_LPT_DELTA_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808064.rdf Name: POC_13_12_RAW_DELTA_LPT_CONC_PUMP Units: permil Description: <p>Concentration of particulate C-13 isotopic composition (raw) determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808065.rdf Name: POC_13_12_RAW_DELTA_LPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for POC_13_12_RAW_DELTA_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808066.rdf Name: POC_13_12_SPT_DELTA_PUMP_dqqrsv Units: per mil Description: <p>Concentration of particulate C-13 isotopic composition (raw) determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808067.rdf Name: Flag_POC_13_12_SPT_DELTA_PUMP_dqqrsv Units: None Description: <p>Quality flag for POC_13_12_SPT_DELTA_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808068.rdf Name: SD1_POC_13_12_SPT_DELTA_PUMP_dqqrsv Units: per mil Description: <p>Error estimate for POC_13_12_SPT_DELTA_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808069.rdf Name: POC_13_12_RAW_DELTA_SPT_CONC_PUMP Units: permil Description: <p>Concentration of particulate C-13 isotopic composition (raw) determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808070.rdf Name: POC_13_12_RAW_DELTA_SPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for POC_13_12_RAW_DELTA_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808071.rdf Name: N_LPT_CONC_PUMP_cc3v0x Units: nmol N/kg Description: <p>Concentration of total particulate nitrogen determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808072.rdf Name: Flag_N_LPT_CONC_PUMP_cc3v0x Units: None Description: <p>Quality flag for N_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808073.rdf Name: SD1_N_LPT_CONC_PUMP_cc3v0x Units: nmol N/kg Description: <p>Error estimate for N_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808074.rdf Name: N_SPT_CONC_PUMP_odbrch Units: nmol N/kg Description: <p>Concentration of total particulate nitrogen determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808075.rdf Name: Flag_N_SPT_CONC_PUMP_odbrch Units: None Description: <p>Quality flag for N_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808076.rdf Name: SD1_N_SPT_CONC_PUMP_odbrch Units: nmol N/kg Description: <p>Error estimate for N_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808077.rdf Name: N_15_14_LPT_DELTA_PUMP_5sqj5d Units: per mil Description: <p>Concetration of particulate N-15 isotopic composition, corrected for blank ?15N determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808078.rdf Name: Flag_N_15_14_LPT_DELTA_PUMP_5sqj5d Units: None Description: <p>Quality flag for N_15_14_LPT_DELTA_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808079.rdf Name: SD1_N_15_14_LPT_DELTA_PUMP_5sqj5d Units: per mil Description: <p>Error estimate for N_15_14_LPT_DELTA_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808080.rdf Name: PN_15_14_RAW_DELTA_LPT_CONC_PUMP Units: permil Description: <p>Concentration of particulate N-15 isotopic composition (raw) determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808081.rdf Name: PN_15_14_RAW_DELTA_LPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for PN_15_14_RAW_DELTA_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808082.rdf Name: N_15_14_SPT_DELTA_PUMP_va6kws Units: per mil Description: <p>Concetration of particulate N-15 isotopic composition, corrected for blank ?15N determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808083.rdf Name: Flag_N_15_14_SPT_DELTA_PUMP_va6kws Units: None Description: <p>Quality flag for N_15_14_SPT_DELTA_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808084.rdf Name: SD1_N_15_14_SPT_DELTA_PUMP_va6kws Units: per mil Description: <p>Error esitmate for N_15_14_SPT_DELTA_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808085.rdf Name: PN_15_14_RAW_DELTA_SPT_CONC_PUMP Units: permil Description: <p>Concentration of particulate N-15 isotopic composition (raw) determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808086.rdf Name: PN_15_14_RAW_DELTA_SPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for PN_15_14_RAW_DELTA_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808087.rdf Name: PIC_LPT_CONC_PUMP_5usecl Units: umol C/kg Description: <p>Concentration of particulate inorganic carbon determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808088.rdf Name: Flag_PIC_LPT_CONC_PUMP_5usecl Units: None Description: <p>Quality flag for PIC_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808089.rdf Name: SD1_PIC_LPT_CONC_PUMP_5usecl Units: umol C/kg Description: <p>Error estimate for PIC_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808090.rdf Name: PIC_SPT_CONC_PUMP_c4ggbb Units: umol C/kg Description: <p>Concentration of particulate inorganic carbon determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808091.rdf Name: Flag_PIC_SPT_CONC_PUMP_c4ggbb Units: None Description: <p>Quality flag for PIC_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808092.rdf Name: SD1_PIC_SPT_CONC_PUMP_c4ggbb Units: umol C/kg Description: <p>Error estimate for PIC_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808093.rdf Name: bSi_LPT_CONC_PUMP_vqv6ut Units: nmol Si/kg Description: <p>Concentration of particulate biogenic silicon determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808094.rdf Name: Flag_bSi_LPT_CONC_PUMP_vqv6ut Units: None Description: <p>Quality flag for bSi_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808095.rdf Name: SD1_bSi_LPT_CONC_PUMP_vqv6ut Units: nmol Si/kg Description: <p>Error estimate for bSi_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808096.rdf Name: bSi_SPT_CONC_PUMP_xgkara Units: nmol Si/kg Description: <p>Concentration of particulate biogenic silicon determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808097.rdf Name: Flag_bSi_SPT_CONC_PUMP_xgkara Units: None Description: <p>Quality flag for bSi_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808098.rdf Name: SD1_bSi_SPT_CONC_PUMP_xgkara Units: nmol Si/kg Description: <p>Error estimate for bSi_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808099.rdf Name: POM_LPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of particulate organic matter, derived from POC, determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808100.rdf Name: POM_LPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for POM_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808101.rdf Name: POM_LPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for POM_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808102.rdf Name: POM_SPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of particulate organic matter, derived from POC, determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808103.rdf Name: POM_SPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for POM_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808104.rdf Name: POM_SPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for POM_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808105.rdf Name: OPAL_LPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of opal (hydrated amorphous silica), derived from bSi, determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808106.rdf Name: OPAL_LPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for OPAL_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808107.rdf Name: OPAL_LPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for OPAL_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808108.rdf Name: OPAL_SPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of opal (hydrated amorphous silica), derived from bSi, determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808109.rdf Name: OPAL_SPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for OPAL_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808110.rdf Name: OPAL_SPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for OPAL_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808111.rdf Name: CaCO3_LPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of calcium carbonate, derived from PIC, determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808112.rdf Name: CaCO3_LPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for CaCO3_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808113.rdf Name: CaCO3_LPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for CaCO3_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808114.rdf Name: CaCO3_SPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of calcium carbonate, derived from PIC, determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808115.rdf Name: CaCO3_SPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for CaCO3_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808116.rdf Name: CaCO3_SPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for CaCO3_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808117.rdf Name: LITHO_LPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of lithogenic particles, derived from Al concentrations using a UCC Al composition, determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808118.rdf Name: LITHO_LPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for LITHO_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808119.rdf Name: LITHO_LPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for LITHO_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808120.rdf Name: LITHO_SPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of lithogenic particles, derived from Al concentrations using a UCC Al composition, determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808121.rdf Name: LITHO_SPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for LITHO_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808122.rdf Name: LITHO_SPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for LITHO_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808123.rdf Name: FeOH3_LPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of Fe oxyhydroxides, derived from Fe, and using Al to subtract lithogenic component, determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808124.rdf Name: FeOH3_LPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for FeOH3_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808125.rdf Name: FeOH3_LPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for FeOH3_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808126.rdf Name: FeOH3_SPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of Fe oxyhydroxides, derived from Fe, and using Al to subtract lithogenic component, determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808127.rdf Name: FeOH3_SPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for FeOH3_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808128.rdf Name: FeOH3_SPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for FeOH3_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808129.rdf Name: MnO2_LPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of Mn oxides, derived from Mn, and using Al to subtract lithogenic component, determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808130.rdf Name: MnO2_LPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for MnO2_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808131.rdf Name: MnO2_LPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for MnO2_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808132.rdf Name: MnO2_SPT_CONC_PUMP Units: ug/kg Description: <p>Concentration of Mn oxides, derived from Mn, and using Al to subtract lithogenic component, determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808133.rdf Name: MnO2_SPT_CONC_PUMP_QV_GTSPP Units: None Description: <p>Quality flag for MnO2_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808134.rdf Name: MnO2_SPT_CONC_PUMP_STDEV Units: ug/kg Description: <p>Error estimate for MnO2_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808135.rdf Name: PARTICLEMASS_LPT_CONC_PUMP_rtxfor Units: ug/kg Description: <p>Concentration of suspended particulate matter (SPM), derived from POM, OPAL, CaCO3, LITHO, FeOH3, and MnO2, determined by in situ filtration (pump) collected on a prefilter (large particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808136.rdf Name: Flag_PARTICLEMASS_LPT_CONC_PUMP_rtxfor Units: None Description: <p>Quality flag for PARTICLEMASS_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808137.rdf Name: SD1_PARTICLEMASS_LPT_CONC_PUMP_rtxfor Units: ug/kg Description: <p>Error estimate for PARTICLEMASS_LPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808138.rdf Name: PARTICLEMASS_SPT_CONC_PUMP_kh3ktl Units: ug/kg Description: <p>Concentration of suspended particulate matter (SPM), derived from POM, OPAL, CaCO3, LITHO, FeOH3, and MnO2, determined by in situ filtration (pump) collected on a main filter (small particles)</p> http://lod.bco-dmo.org/id/dataset-parameter/808139.rdf Name: Flag_PARTICLEMASS_SPT_CONC_PUMP_kh3ktl Units: None Description: <p>Quality flag for PARTICLEMASS_SPT_CONC_PUMP</p> http://lod.bco-dmo.org/id/dataset-parameter/808140.rdf Name: SD1_PARTICLEMASS_SPT_CONC_PUMP_kh3ktl Units: ug/kg Description: <p>Error estimate for PARTICLEMASS_SPT_CONC_PUMP</p> GB/NERC/BODC > British Oceanographic Data Centre, Natural Environment Research Council, United Kingdom Biological and Chemical Oceanography Data Management Office (BCO-DMO) Unavailable 508-289-2009 WHOI MS#36 Woods Hole MA 02543 USA info@bco-dmo.org http://www.bco-dmo.org Monday - Friday 8:00am - 5:00pm For questions regarding this resource, please contact BCO-DMO via the email address provided. pointOfContact 473122 https://darchive.mblwhoilibrary.org/bitstream/1912/25636/1/dataset-807340_gn01-size-fractionated-major-and-minor-particles__v1.tsv download https://doi.org/10.26008/1912/bco-dmo.807340.1 download onLine dataset &lt;p&gt;&lt;strong&gt;Sampling&lt;/strong&gt;&lt;br /&gt; Size-fractionated particles were collected using dual-flow McLane Research in-situ pumps (WTS-LV). More details about filter holders and deployments were described in Lam et al. (2017) and Ohnemus and Lam (2015). At most of the stations, two casts of 8 pumps each and two filter holders per pump were deployed to collect samples at 16 depths throughout the water column. At super stations, a 24-depth profile was obtained with three casts. The targeted depths of the wire-out were verified by a self-recording Seabird 19plus CTD at the end of the line and an RBR pressure logger attached to the pump at the middle of the line. The RBR was used for all casts in the entire cruise whereas the CTD was only deployed in the northbound leg due to electronic problems. 142 mm-diameter &quot;mini-MULVFS&quot; style filter holders, with multiple stages and baffle systems designed to prevent large particle loss and promote even particle distribution (Bishop et al., 2012), were used. One filter holder/flowpath was loaded with a Sefar polyester mesh prefilter (51 um pore size) and paired Whatman QMA quartz fiber filters (1 um pore size) in series (&quot;QMA-side&quot;). The other filter holder/flowpath was also loaded with a 51 um prefilter, but it was followed by paired 0.8 um Pall Supor800 polyethersulfone filters (&quot;Supor-side&quot;). A 150 um Sefar polyester mesh was placed underneath all 51 um prefilters and QMA filters as a support to facilitate filter handling. All filters and filter holders were acid leached before use based on the recommended methods in the GEOTRACES sample and sample-handling protocols (Cutter et al., 2010). QMA filters were pre-combusted at 450 ˚C for 4 hours after acid leaching.&lt;/p&gt; &lt;p&gt;'Dipped blank' filters, including the full filter sets (prefilter on top of paired QMA or paired Supor filters), were also deployed at each cast. Prior to the deployment, these filters were sandwiched in a 1 um polyester mesh filter, placed into acid-leached perforated polypropylene containers, and attached to a pump frame with plastic cable ties. All dipped blank filters were exposed to the seawater for the same amount of time, processed and analyzed as regular samples. As process blanks, dipped blank filters were used for blank subtraction, calculations of uncertainties, and determination of detection limits. A total of 33 dipped blank filter sets were collected and used for blank subtraction and determination of uncertainty and detection limit (Table 3).&lt;/p&gt; &lt;p&gt;In this dataset, data reported from the 51 um prefilter are referred to with a LPT suffix to indicate large particulate total concentrations (&amp;gt;51 um); data reported from the main filters (QMA—1-51 um —or Supor—0.8-51 um) are from the top filter of the pair only, and are referred to with a SPT suffix to indicate the small particulate total concentrations.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Analytical Procedures&lt;br /&gt; Particulate organic carbon (POC) and particulate nitrogen (PN)&lt;/strong&gt;&lt;br /&gt; POC and PN sample processing was similar to what was described in Lam et al. (2017). Samples were fumed in a desiccator with concentrated HCl and dried in the oven at 60 ˚C overnight, and then pelletized with tin discs. Tin disc encapsulated samples, from either one 25 mm-diameter punch from the top SPT QMA filters or the entire LPT silver filters, were measured using a CE Instruments NC 2500 model Carbon/Nitrogen Analyzer interfaced to a ThermoFinnigan Delta Plus XP isotope ratio mass spectrometer (IRMS) at the Stable Isotope Laboratory at University of California, Santa Cruz. Isotopic results obtained from the IRMS were calibrated using reference materials Acetanilide (C₈H₉NO). The effect of dissolved organic carbon sorption is corrected with isotopic values of dipped blanks. The isotopic data are expressed in the standard delta notation (δ) as per mil deviations (‰) with respect to international standards of Pee Dee Belemnite (PDB) and atmospheric nitrogen. The precision of the internal standard (Pugel) analyzed along with the samples in the run is 0.07‰ for δ13C and 0.14‰ for δ¹⁵N.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Particulate inorganic carbon (PIC)&lt;/strong&gt;&lt;br /&gt; A UIC Carbon dioxide coulometer was used for PIC measurement. Briefly, PIC on SPT QMA punches or 1/16 LPT QMA-side prefilter was converted to CO₂ by addition of 2 N sulfuric acid. CO₂ produced is carried by a gas stream into a coulometer cell where CO₂ is quantitatively absorbed by a cathode solution, reacted to form a titratable acid and measured based on the change in current.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Biogenic silica (bSi)&lt;/strong&gt;&lt;br /&gt; An alkaline leach with 0.2 M NaOH at 85˚C was used to leach bSi for both size fractions prior to the measurement on a Lachat QuikChem 8000 Flow Injection Analyzer at UCSC. A 4-h time-series leaching approach was applied to all samples below 500 m to take into account the contribution from lithogenic Si (Lam et al., 2017), where lithogenic Si was of significance in the overall measurement. The intercept of all points in the time series with corrections given volume changes in NaOH at different sampling points was calculated with linear regression and used to best represent the bSi concentrations, assuming bSi is completely dissolved in 1 hour and lithogenic Si is dissolved at a constant rate during the leach (Barão et al., 2015; DeMaster, 1981).&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Particulate trace metals (pTM)&lt;/strong&gt;&lt;br /&gt; The digestion method of pTM is based on a refluxing method (Cullen and Sherrell, 1999; Planquette and Sherrell, 2012) with light modifications similar to the &quot;Piranha method&quot; in Ohnemus et al. (2014). In brief, the Supor filter was adhered to the wall by surface tension in a 15 mL flat-bottom screw-cap Savillex vial to avoid immersion. After 4-h refluxing at 110 ˚C with an ultrapure (ARISTAR® or Optimaᵀᴹ grade) 50% HNO₃/10% HF (v/v) mixture, digestion acids were transferred into secondary vials and heated to near dryness. The residue was heated in 50% HNO₃/15% H₂O₂ (v/v) to dryness at 110 ˚C. The final residue was re-dissolved with 2 ml 5% HNO₃ spiked with 1 ppb In. Two certified reference materials (BCR-414 and PACS-2) were digested routinely alongside the samples to assure the quality of each digestion. Sample solutions were analyzed using an Element XR high-resolution ICP-MS (Thermo Scientific) at the UCSC Plasma Analytical Facility. Elemental concentrations were standardized using multi-element, external standard curves prepared from NIST atomic absorption-standards in 5% HNO₃. Instrument drift and matrix effects were corrected using the internal 1ppb In standard and monitored using a mixed element run standard. Concentrations were determined using external standard curves of mixed trace elements standards.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Sampling equipment: &lt;/strong&gt;Dual-flow McLane Research in-situ pumps (WTS-LV). More details can be found in the patent description (&lt;a href=&quot;https://patents.google.com/patent/US20130298702&quot; target=&quot;_blank&quot;&gt;https://patents.google.com/patent/US20130298702&lt;/a&gt;) and official website of the manufacturer (&lt;a href=&quot;https://mclanelabs.com/wts-lv-large-volume-pump/&quot; target=&quot;_blank&quot;&gt;https://mclanelabs.com/wts-lv-large-volume-pump/&lt;/a&gt;). Other instrumentation described in 'Instruments' section below.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Problem report:&lt;br /&gt; (1) Wire angles during pump deployments&lt;/strong&gt;&lt;br /&gt; Severe wire angle for the aft operations were encountered in the operation and wire angles of more than 20° during pumping were a consistent issue in the open Arctic water. The actual depth of the pumps is calibrated according to corrections based on the CTD and/or RBR pressure sensors.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;(2) Questionable measurements for certain trace metals&lt;/strong&gt;&lt;br /&gt; Problems related with sampling methods: We used Pall Supor800 polyethersulfone filters to collect pTM particles. Those type of filters are known to have high trace metal blanks for Chromium (Cr) (Ohnemus et al., 2014). Particulate chromium (pCr) concentrations are not good to use unless at shelf/slope stations, where particulate Cr concentrations in the water column are high enough.&lt;/p&gt; &lt;p&gt;Problems related to digestion methods: Thorium (Th) data are much lower than the values reported by Morton during intercalibration. Likely, the digestion method we used without submerging the entire filter in the acid mixture seems not to access all Th in the filter.&lt;/p&gt; &lt;p&gt;Problems related to ICP-MS: The median of nickel (Ni) in the LPT dipped blanks is negative. Due to potential contamination from the Ni cone in the ICP, we tend to have a high Ni blank in the acid blank at the beginning of the run and it is hard to wash it off. It is less problematic for SPT Ni, as it has much higher concentrations than LPT. Although acid blanks were carefully according to the shifting Ni baseline, Ni concentrations in both size fractionations are likely to be underestimations, and Ni data should be used with caution.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;(3) Instrumental differences (in-situ pump vs. Go-Flo bottles)&lt;/strong&gt;&lt;br /&gt; Overall, our digestion (Sherrell refluxing) of pump samples have consistently lower concentrations than Morton’s digestion of GO-FLO bottle particles. Given the good reproductivity of Go-Flo replicate particles between us and Morton lab applying different digestion protocols in each lab, it is believed that the concentration differences observed are mainly caused by sampling methods (in-situ pump vs. GO-FLO bottle &amp;amp; 0.8 um Supor vs. 0.4 um Supor). Further investigations and intercalibrations between these two sampling systems are needed in other ocean basins.&lt;/p&gt; Specified by the Principal Investigator(s) &lt;p&gt;&lt;strong&gt;Blank subtraction:&lt;/strong&gt;&lt;br /&gt; Outliers in dipped blanks (db), as process blanks, for each measurement type were excluded using Chauvenet's criterion (Glover et al., 2011). The median of db filters, except for LSF bSi, was then used in blank subtraction to take into account of the absorption and potential particle loadings from non-targeted depths, especially from the surface ocean during pump recovery. There were anomalously high bSi concentrations of LSF dipped blanks, which were also observed in the GA03 NAZT and GP16 EPZT sections (Lam et al., 2017; Lam et al., 2015). Blank corrections for LSF bSi were made by subtracting the median of LSF failed pump values (pumps with less than 5% of typical water volume filtered). Given a limited number of db measured over the shelf and slope, and similarities between db in the shelf/slope and basin (outliers removed), for major particle composition, such as bSi, POC and PIC, the median of db filters from all stations was used in the calculation. For particulate trace metals (pTM), the median of shelf/slope and basin db are used in the blank subtraction of shelf/slope and basin samples, respectively.&lt;/p&gt; &lt;p&gt;The isotopic effect of dissolved organic carbon and nitrogen sorption is corrected with mean isotopic values of dipped blanks, which is based on an isotope mass balance between db filters and sample filters. The stable isotopic composition of C (d13C) and N (d15N) for the LPT and SPT particles are given as raw values (*_raw), and corrected for the dipped blank. Due to large differences in db d15N values between the shelf/slope and basin, shelf/slope and basin samples were calculated with different process blanks.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Derived parameters:&lt;/strong&gt; See Supplemental Files, &quot;Derived Parameter Calculations&quot; (PDF).&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Error propagation:&lt;/strong&gt;&lt;br /&gt; For most parameters, we could not routinely run replicates, so almost all errors reported are determined from the standard deviation of dipped blank filters (Table 3), converted to concentrations using volume filtered. This assumes that the blank subtraction is the largest source of error. Errors in d13C and d15N are propagated based on an isotope mass balance between db filters and sample filters. Both raw and db corrected isotope data are reported.&lt;/p&gt; &lt;p&gt;For particulate trace metals, there were a subset of SPT samples that were redigested (N=8) and/or rerun, and therefore, errors are calculated by propagating two major errors: uncertainty in the db subtraction, and the combined uncertainty due to heterogeneity in particle distribution and variations in digestion. The former is determined as the standard deviation of the dipped blank filters. The latter is determined from the median relative standard deviation of all repeat samples for that element. Here, since no LPT replicate samples were available, we applied the latter to all SPT and LPT samples. For most elements, the uncertainty from the variability of digestion and particle distribution was the largest source of uncertainty (Figure 1a &amp;amp;, 1b).&lt;/p&gt; &lt;p&gt;Errors in derived parameters are calculated based on rules of error propagation. Although negative concentrations below the detection limit are set to 0 in the calculation of SPM, their errors are still propagated.&lt;/p&gt; &lt;p&gt;&lt;strong&gt;Quality Flags:&lt;/strong&gt;&lt;br /&gt; The detection limit was defined as three times the standard deviation of the dipped blank filters. Values below the detection limit were flagged as QF=6 in the GTSPP convention (also adopted by SeaDataNet and recommended by the GEOTRACES programme). The percentage of all samples that fell below the detection limit is listed in Table 3&amp;nbsp;for each parameter and size fraction. Any variations on the methods for blank subtraction or determination of error can be further described for each parameter, as necessary.&lt;/p&gt; &lt;p&gt;Lab quality control (QC) included running standard reference materials for POC&amp;amp;PN (acetanilide), and for pTM (BCR414 and PACS-2—see table 5), as well as participation in intercalibration exercises. Intercalibration of various parameters has been conducted, including comparing bSi &amp;amp; POC profiles with GN04 data at the crossover station (Liguori/ Puigcorbe Lacueva) and historic suspended POC data in the Canada Basin (Griffith). Comparisons of pTM collected using in-situ pumps with Go-Flo &amp;amp; the NIOZ system (TITAN) pTM data (Morton/ Planquette) were also done, helping check for oceanographic consistency.&lt;/p&gt; &lt;p&gt;All data have been assigned quality flags using the GTSPP convention and interpretation:&lt;br /&gt; 1 = good—passed lab QC and oceanographically consistent;&lt;br /&gt; 2 = possibly good—oceanographically consistent, but have minor sampling/instrumental issues;&lt;br /&gt; 3 = possibly bad—not oceanographically consistent, or have major sampling/instrumental issues;&lt;br /&gt; 4 = bad—failed lab QC (including all failed pumps when only small or no volume was pumped through the filter), or known issue with samples. For a measured parameter from a failed pump, if the filter sample was analyzed and a non-zero volume was recorded so that a concentration could be derived, this concentration is reported with QF=4. These values are generally not reliable because recorded volumes for failed pumps are probably not correct. If a zero volume was recorded, then a concentration could not be derived, and the value is reported as &quot;NaN&quot;&amp;nbsp;with QF=4. For a derived parameter from a failed pump, this QF=4 applies if any of the parameters on which it is based had a QF=4 but is not &quot;NaN&quot;.&lt;br /&gt; 6 = below detection limit;&lt;br /&gt; 9 = data missing (including all “nd”). For a measured parameter, this QF applies to lost or missing samples that were not measured.&amp;nbsp; For a derived parameter, this QF=9 applies if any of the parameters on which it is based is missing (QF=9) or is &quot;NaN&quot;.&lt;/p&gt; Specified by the Principal Investigator(s) asNeeded 7.x-1.1 Biological and Chemical Oceanography Data Management Office (BCO-DMO) Unavailable 508-289-2009 WHOI MS#36 Woods Hole MA 02543 USA info@bco-dmo.org http://www.bco-dmo.org Monday - Friday 8:00am - 5:00pm For questions regarding this resource, please contact BCO-DMO via the email address provided. pointOfContact UIC Carbon dioxide coulometer UIC Carbon dioxide coulometer PI Supplied Instrument Name: UIC Carbon dioxide coulometer PI Supplied Instrument Description:Used to analyze the following measured parameters: PIC; and the following derived parameters: CaCO3 Instrument Name: CO2 Coulometer Instrument Short Name:CO2 coulometer Instrument Description: A CO2 coulometer semi-automatically controls the sample handling and extraction of CO2 from seawater samples. Samples are acidified and the CO2 gas is bubbled into a titration cell where CO2 is converted to hydroxyethylcarbonic acid which is then automatically titrated with a coulometrically-generated base to a colorimetric endpoint. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB12 CE Instruments NC2500 CE Instruments NC2500 PI Supplied Instrument Name: CE Instruments NC2500 PI Supplied Instrument Description:Used to analyze the following measured parameters: POC & PN; and the following derived parameters: POM Instrument Name: Elemental Analyzer Instrument Short Name: Instrument Description: Instruments that quantify carbon, nitrogen and sometimes other elements by combusting the sample at very high temperature and assaying the resulting gaseous oxides. Usually used for samples including organic material. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB01/ Lachat QuikChem 8000 Flow Injection Analyzer Lachat QuikChem 8000 Flow Injection Analyzer PI Supplied Instrument Name: Lachat QuikChem 8000 Flow Injection Analyzer PI Supplied Instrument Description:Used to analyze the following measured parameters: bSi; and the following derived parameters: OPAL Instrument Name: Flow Injection Analyzer Instrument Short Name:FIA Instrument Description: An instrument that performs flow injection analysis. Flow injection analysis (FIA) is an approach to chemical analysis that is accomplished by injecting a plug of sample into a flowing carrier stream. FIA is an automated method in which a sample is injected into a continuous flow of a carrier solution that mixes with other continuously flowing solutions before reaching a detector. Precision is dramatically increased when FIA is used instead of manual injections and as a result very specific FIA systems have been developed for a wide array of analytical techniques. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB36/ Element XR high-resolution ICP-MS (Thermo) Element XR high-resolution ICP-MS (Thermo) PI Supplied Instrument Name: Element XR high-resolution ICP-MS (Thermo) PI Supplied Instrument Description:Used to analyze the following measured parameters: pTM; and the following derived parameters: LITHO, FeOH3 & MnO2 Instrument Name: Inductively Coupled Plasma Mass Spectrometer Instrument Short Name:ICP Mass Spec Instrument Description: An ICP Mass Spec is an instrument that passes nebulized samples into an inductively-coupled gas plasma (8-10000 K) where they are atomized and ionized. Ions of specific mass-to-charge ratios are quantified in a quadrupole mass spectrometer. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB15/ ThermoFinnigan Delta Plus XP isotope ratio ThermoFinnigan Delta Plus XP isotope ratio PI Supplied Instrument Name: ThermoFinnigan Delta Plus XP isotope ratio PI Supplied Instrument Description:Used to analyze the following measured parameters: δ13C and δ15N Instrument Name: Isotope-ratio Mass Spectrometer Instrument Short Name:IR Mass Spec; IRMS Instrument Description: The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer). Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB16/ Dual-flow McLane Research in-situ pumps (WTS-LV) Dual-flow McLane Research in-situ pumps (WTS-LV) PI Supplied Instrument Name: Dual-flow McLane Research in-situ pumps (WTS-LV) Instrument Name: McLane Large Volume Pumping System WTS-LV Instrument Short Name:WTS-LV Instrument Description: The WTS-LV is a Water Transfer System (WTS) Large Volume (LV) pumping instrument designed and manufactured by McLane Research Labs (Falmouth, MA, USA). It is a large-volume, single-event sampler that collects suspended and dissolved particulate samples in situ. Ambient water is drawn through a modular filter holder onto a 142-millimeter (mm) membrane without passing through the pump. The standard two-tier filter holder provides prefiltering and size fractioning. Collection targets include chlorophyll maximum, particulate trace metals, and phytoplankton. It features different flow rates and filter porosity to support a range of specimen collection. Sampling can be programmed to start at a scheduled time or begin with a countdown delay. It also features a dynamic pump speed algorithm that adjusts flow to protect the sample as material accumulates on the filter. Several pump options range from 0.5 to 30 liters per minute, with a max volume of 2,500 to 36,000 liters depending on the pump and battery pack used. The standard model is depth rated to 5,500 meters, with a deeper 7,000-meter option available. The operating temperature is -4 to 35 degrees Celsius. The WTS-LV is available in four different configurations: Standard, Upright, Bore Hole, and Dual Filter Sampler. The high-capacity upright WTS-LV model provides three times the battery life of the standard model. The Bore-Hole WTS-LV is designed to fit through a narrow opening such as a 30-centimeter borehole. The dual filter WTS-LV features two vertical intake 142 mm filter holders to allow simultaneous filtering using two different porosities. Cruise: HLY1502 HLY1502 USCGC Healy Community Standard Description International Council for the Exploration of the Sea USCGC Healy vessel HLY1502 David C. Kadko Florida International University https://datadocs.bco-dmo.org/docs/302/geotraces/GEOTRACES_ARCTIC/data_docs/cruise_reports/healy1502.pdf Report describing HLY1502 USCGC Healy Community Standard Description International Council for the Exploration of the Sea USCGC Healy vessel