http://lod.bco-dmo.org/id/dataset/839436
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
2021-02-02
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
Hurricane Harvey impacts on biogeochemistry of sediments assessed using samples collected in Mission-Aransas Estuary in south Texas from June 2017 to March 2019
2021-02-04
publication
2021-02-04
revision
Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)
2021-03-06
publication
https://doi.org/10.26008/1912/bco-dmo.839436.1
Zhanfei Liu
University of Texas - Marine Science Institute
principalInvestigator
Amber Hardison
University of Texas - Marine Science Institute
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: Liu, Z., Hardison, A., Xue, J. (2021) Hurricane Harvey impacts on biogeochemistry of sediments assessed using samples collected in Mission-Aransas Estuary in south Texas from June 2017 to March 2019. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2021-02-04 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.839436.1 [access date]
Methods and Sampling: <p>Surface sediments were sampled from 19 sites in the Mission Aransas Estuary using home-made core tubes, then sectioned and frozen immediately at -80 ºC until analysis.&nbsp; Sediment core samples were analyzed for mineral grain size, organic carbon and nitrogen, stable isotopic composition, pigments, plus sediment alkane and polycyclic aromatic hydrocarbons.&nbsp;&nbsp;</p>
<p><strong>Mineral grain size</strong><br />
The grain size of surface sediment was measured using a Beckman-Coulter laser particle size analyzer (Wang et al., 2014). Briefly, 20 mL deionized water was added to 1 gram of freeze dried sediment in a beaker. After soaking for 24 hours, the sediment was subjected to vortex mixing for 5 minutes to disaggregate loosely-attached aggregates. Neither organic matter nor carbonate was removed for the laser grain size analysis. The detected size range is from 0.02 to 2000 µm.</p>
<p><strong>Organic carbon and nitrogen, and stable isotopes</strong><br />
Surface sediment (~2 g) was first freeze dried using Labconco FreeZone, and then also acidified to remove inorganic carbon. The organic carbon and nitrogen content and δ13C in these samples was measured using a Thermo FLASH 2000 CHN Elemental Analyzer coupled with a Thermo Delta V Plus isotope ratio mass spectrometer. The δ13C values were expressed relative to Vienna Pee Dee Belemnite standard. Precision for the C/N content is within 5% and for δ13C within 0.2‰.</p>
<p><strong>Pigment analysis</strong><br />
Approximately 2 grams of frozen sediment was transferred into a 15 mL polypropylene centrifuge tube, to which 3 mL acetone was added for pigment extraction (Sun et al., 1991). The mixture was sonicated for 15 minutes, and then centrifuged for another 10 minutes. The acetone extract was filtered with a syringe filter (0.2 µm Nylon filter). The remaining sediment in the centrifuge was extracted again by the same procedure using fresh acetone, and the two extracts were combined before the high performance liquid chromatography (HPLC) analysis. Quantitative analysis of all pigments was conducted using a Shimadzu HPLC system with a reverse phase column (Agilent Eclipse XDB-C8, 3.5 µm particle size, 150-mm length × 4.6-mm diameter).&nbsp;Sediment water contents were used to convert the concentrations of pigment into micrograms per gram&nbsp;(µg/g) of dry sediment.</p>
<p><strong>Sediment alkane and polycyclic aromatic hydrocarbons (PAHs)</strong><br />
PAHs extraction and analysis followed Rhind et al. (2009) and Wang et al. (2014). Briefly, about 1 gram sediment (dry weight) was added with surrogate standards (Ace-d10, Phe-d10, BaP-d12) and 8 mL ethanoic potassium hydroxide (1 M). The samples were heated to 90°C for 8 hours. The analytes were extracted by hexane and then purified with a column packed with activated silica gel and topped with 1 cm anhydrous sodium sulfate. The PAHs were then eluted with dichloromethane/hexane (1:4, v/v). The eluted solution was concentrated and exchanged by hexane to 1 mL with a rotary evaporator, and stored at 4°C until further analysis. PAHs were analyzed by gas chromatography– mass spectrometry (GC-MS, Shimadzu QP2010 plus).&nbsp; The GC-MS is equipped with a RXi-1MS capillary column (20 mÅ~0.18 mm i.d., film thickness 0.18 μ m), with helium as the carrier gas at a flow rate of 0.8 mL min−1, using a selective ion monitoring mode to detect PAH.&nbsp; The scan ions ranged from 126 to 279 atomic mass units, and the dwell time per ion was 200 milliseconds. The oven temperature was held at 60°C for 1 min, increased to 240°C at a rate of 10°C min−1, and then increased to 280°C at a rate of 4°C min−1 and held for 3 min. The temperatures of the injector and detector were 260°C and 275°C, respectively. The injection volume was 1 μl with a split ratio of 1/20. All of the 16 PAHs were eluted from 5 to 30 min in the GC column.</p>
<p><strong>Acquisition notes:&nbsp;</strong><br />
Stations S15 and S19 were not sampled in April 2018 due to extremely low water level which impeded boat passage to the two sampling sites</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1763167 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1763167
completed
Zhanfei Liu
University of Texas - Marine Science Institute
361-749-6772
Marine Science Institute 750 Channel View Dr
Port Aransas
TX
783735015
US
zhanfei.liu@utexas.edu
pointOfContact
Amber Hardison
University of Texas - Marine Science Institute
USA
akhardison@vims.edu
pointOfContact
asNeeded
Dataset Version: 1
Unknown
Estuary
Station
ISO_Date
Latitude
Longitude
Depth
Clay
Silt
Sands
Median
Chlc2
Chlb
DivChla
Chla
Peridinin
Nineteen_but
Fuco
Prasin
Nineteen_hex
Diadinoxanthin
Alloxanthin
Zeaxanthin
Lutein
OC
delta13C
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
Thermo FLASH 2000 CHN Elemental Analyzer
GC-MS, Shimadzu QP2010 plus
Shimadzu HPLC system
Thermo Delta V Plus isotope ratio mass spectrometer
Lachat QuikChem 8500
Beckman-Coulter laser particle size analyzer
theme
None, User defined
region
station
date
latitude
longitude
depth
clay size fraction Wentworth scale
silt size fraction Wentworth scale
sand size fraction Wentworth scale
sediment grain size
chlorophyll c2
chlorophyll b
divinyl chlorophyll a
chlorophyll a
peridinin
19-prime-butanoyloxyfucoxanthin
fucoxanthin
prasinoxanthin
19-prime-hexanoyloxyfucoxanthin
diadinoxanthin
alloxanthin
zeaxanthin
lutein
particulate organic Carbon (POC)
d13C
alkane
pentadecane
heptadecane
featureType
BCO-DMO Standard Parameters
CHN Elemental Analyzer
Gas Chromatograph Mass Spectrometer
High-Performance Liquid Chromatograph
Isotope-ratio Mass Spectrometer
Nutrient Autoanalyzer
Particle Size Analyzer
instrument
BCO-DMO Standard Instruments
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.
RAPID: The impact of Hurricane Harvey on water column and sediment biogeochemistry of the Mission-Aransas Estuary in south Texas
https://osprey.bco-dmo.org/project/776241
RAPID: The impact of Hurricane Harvey on water column and sediment biogeochemistry of the Mission-Aransas Estuary in south Texas
<p>NSF Award Abstract:</p>
<p>This project involves rapid-response research into the effects of Hurricane Harvey on the Mission-Aransas estuary system in south Texas. Hurricane Harvey passed directly over this region on August 25-26, 2017. Because these waters are the site of the Mission-Aransas National Estuarine Research Reserve (MANERR), the investigators have a history of data from before the storm with which to compare the data they will collect. They proposed to investigate the effect of the passage of the storm on carbon and nitrogen cycling, and thus the ecosystem, in the waters and sediments of Copano Bay and Aransas Bay. Their results will be important to understanding coastal processes both in general and in response to extreme events.</p>
<p>The investigators pose two hypotheses, which can be summarized broadly as 1) inputs of nutrients from river flooding will stimulate algal blooms in the estuary and 2) changes in sediment grain size distribution will affect sediment nitrogen cycling. They will collect water samples for nutrients, pigments, lipids, bulk carbon, and carbon isotope analyses, together with standard water quality parameters using a YSI Sonde (salinity, temperature, pH, chlorophyll a, dissolved oxygen and turbidity) at the five System Wide Monitoring Program sites of the MANERR on a biweekly to monthly basis. Sediment samples will be collected at all sites in the fall of 2017 and examined for grain size, pigments, carbon and nitrogen content, carbon isotopes, pigments, and lipids. The results will be used, in combination from data collected earlier this year, to examine physical, chemical, and biological responses to this major event. The project will support a graduate student research assistant and three undergraduate student researchers. Communication with the public will occur through well-established and effective programs at the Mission-Aransas NERR and the University of Texas Marine Science Institute.</p>
Hurricane Harvey Biogeochemistry
largerWorkCitation
project
eng; USA
oceans
-97.202
-96.831
27.923
28.179
2017-06-08
2019-03-07
Mission-Aransas Estuary 28N 97W
0
BCO-DMO catalogue of parameters from Hurricane Harvey impacts on biogeochemistry of sediments assessed using samples collected in Mission-Aransas Estuary in south Texas from June 2017 to March 2019
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/839854.rdf
Name: Estuary
Units: unitless
Description: <p>National Estuarine Research Reserve (NERR) estuary name</p>
http://lod.bco-dmo.org/id/dataset-parameter/839855.rdf
Name: Station
Units: unitless
Description: <p>Station Name</p>
http://lod.bco-dmo.org/id/dataset-parameter/839856.rdf
Name: ISO_Date
Units: unitless
Description: <p>Sampling date (yyyy-mm-dd)</p>
http://lod.bco-dmo.org/id/dataset-parameter/839857.rdf
Name: Latitude
Units: decimal degrees
Description: <p>Latitude</p>
http://lod.bco-dmo.org/id/dataset-parameter/839858.rdf
Name: Longitude
Units: decimal degrees
Description: <p>Longitude (West is negative)</p>
http://lod.bco-dmo.org/id/dataset-parameter/839859.rdf
Name: Depth
Units: centimeters (cm)
Description: <p>Sampling Depth interval</p>
http://lod.bco-dmo.org/id/dataset-parameter/839860.rdf
Name: Clay
Units: percent (%)
Description: <p>Clay size fraction where grain size is >0.02um and <4um</p>
http://lod.bco-dmo.org/id/dataset-parameter/839861.rdf
Name: Silt
Units: percent (%)
Description: <p>Silt size fraction where grain size is between 4 and 63 microns</p>
http://lod.bco-dmo.org/id/dataset-parameter/839862.rdf
Name: Sands
Units: percent (%)
Description: <p>Sand size fraction where grain size is >63um and <2000um</p>
http://lod.bco-dmo.org/id/dataset-parameter/839863.rdf
Name: Median
Units: micron (µm)
Description: <p>Median grain size</p>
http://lod.bco-dmo.org/id/dataset-parameter/839864.rdf
Name: Chlc2
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Chlorophyll c2</p>
http://lod.bco-dmo.org/id/dataset-parameter/839865.rdf
Name: Chlb
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Chlorophyll b</p>
http://lod.bco-dmo.org/id/dataset-parameter/839866.rdf
Name: DivChla
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Divinyl Chlorophyll a</p>
http://lod.bco-dmo.org/id/dataset-parameter/839867.rdf
Name: Chla
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Chlorophyll a</p>
http://lod.bco-dmo.org/id/dataset-parameter/839868.rdf
Name: Peridinin
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Peridinin</p>
http://lod.bco-dmo.org/id/dataset-parameter/839869.rdf
Name: Nineteen_but
Units: micrograms per gram (µg/g) dry sediment
Description: <p>19'-but-fucoxanthin</p>
http://lod.bco-dmo.org/id/dataset-parameter/839870.rdf
Name: Fuco
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Fucoxanthin</p>
http://lod.bco-dmo.org/id/dataset-parameter/839871.rdf
Name: Prasin
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Prasinoxanthin</p>
http://lod.bco-dmo.org/id/dataset-parameter/839872.rdf
Name: Nineteen_hex
Units: micrograms per gram (µg/g) dry sediment
Description: <p>19'-hex fucoxanthin</p>
http://lod.bco-dmo.org/id/dataset-parameter/839873.rdf
Name: Diadinoxanthin
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Diadinoxanthin</p>
http://lod.bco-dmo.org/id/dataset-parameter/839874.rdf
Name: Alloxanthin
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Alloxanthin</p>
http://lod.bco-dmo.org/id/dataset-parameter/839875.rdf
Name: Zeaxanthin
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Zeaxanthin</p>
http://lod.bco-dmo.org/id/dataset-parameter/839876.rdf
Name: Lutein
Units: micrograms per gram (µg/g) dry sediment
Description: <p>Lutein</p>
http://lod.bco-dmo.org/id/dataset-parameter/839877.rdf
Name: OC
Units: percent (%)
Description: <p>Organic Carbon</p>
http://lod.bco-dmo.org/id/dataset-parameter/839878.rdf
Name: delta13C
Units: per mil
Description: <p>Stable isotope delta carbon 13 relative to Vienna PeeDee Belemnite standard</p>
http://lod.bco-dmo.org/id/dataset-parameter/839879.rdf
Name: C8
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C8 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839880.rdf
Name: C9
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C9 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839881.rdf
Name: C10
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C10 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839882.rdf
Name: C11
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C11 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839883.rdf
Name: C12
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C12 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839884.rdf
Name: C13
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C13 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839885.rdf
Name: C14
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C14 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839886.rdf
Name: C15
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C15 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839887.rdf
Name: C16
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C16 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839888.rdf
Name: C17
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C17 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839889.rdf
Name: C18
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C18 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839890.rdf
Name: C19
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C19 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839891.rdf
Name: C20
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C20 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839892.rdf
Name: C21
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C21 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839893.rdf
Name: C22
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C22 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839894.rdf
Name: C23
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C23 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839895.rdf
Name: C24
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C24 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839896.rdf
Name: C25
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C25 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839897.rdf
Name: C26
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C26 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839898.rdf
Name: C27
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C27 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839899.rdf
Name: C28
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C28 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839900.rdf
Name: C29
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C29 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839901.rdf
Name: C30
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C30 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839902.rdf
Name: C31
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C31 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839903.rdf
Name: C32
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C32 alkane</p>
http://lod.bco-dmo.org/id/dataset-parameter/839904.rdf
Name: C33
Units: micrograms per gram (µg/g) dry sediment
Description: <p>C33 alkane</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
54119
https://darchive.mblwhoilibrary.org/bitstream/1912/26777/1/dataset-839436_hurricane-harvey-impacts-sediment-biogeochemistry__v1.tsv
download
https://doi.org/10.26008/1912/bco-dmo.839436.1
download
onLine
dataset
<p>Surface sediments were sampled from 19 sites in the Mission Aransas Estuary using home-made core tubes, then sectioned and frozen immediately at -80 ºC until analysis.&nbsp; Sediment core samples were analyzed for mineral grain size, organic carbon and nitrogen, stable isotopic composition, pigments, plus sediment alkane and polycyclic aromatic hydrocarbons.&nbsp;&nbsp;</p>
<p><strong>Mineral grain size</strong><br />
The grain size of surface sediment was measured using a Beckman-Coulter laser particle size analyzer (Wang et al., 2014). Briefly, 20 mL deionized water was added to 1 gram of freeze dried sediment in a beaker. After soaking for 24 hours, the sediment was subjected to vortex mixing for 5 minutes to disaggregate loosely-attached aggregates. Neither organic matter nor carbonate was removed for the laser grain size analysis. The detected size range is from 0.02 to 2000 µm.</p>
<p><strong>Organic carbon and nitrogen, and stable isotopes</strong><br />
Surface sediment (~2 g) was first freeze dried using Labconco FreeZone, and then also acidified to remove inorganic carbon. The organic carbon and nitrogen content and δ13C in these samples was measured using a Thermo FLASH 2000 CHN Elemental Analyzer coupled with a Thermo Delta V Plus isotope ratio mass spectrometer. The δ13C values were expressed relative to Vienna Pee Dee Belemnite standard. Precision for the C/N content is within 5% and for δ13C within 0.2‰.</p>
<p><strong>Pigment analysis</strong><br />
Approximately 2 grams of frozen sediment was transferred into a 15 mL polypropylene centrifuge tube, to which 3 mL acetone was added for pigment extraction (Sun et al., 1991). The mixture was sonicated for 15 minutes, and then centrifuged for another 10 minutes. The acetone extract was filtered with a syringe filter (0.2 µm Nylon filter). The remaining sediment in the centrifuge was extracted again by the same procedure using fresh acetone, and the two extracts were combined before the high performance liquid chromatography (HPLC) analysis. Quantitative analysis of all pigments was conducted using a Shimadzu HPLC system with a reverse phase column (Agilent Eclipse XDB-C8, 3.5 µm particle size, 150-mm length × 4.6-mm diameter).&nbsp;Sediment water contents were used to convert the concentrations of pigment into micrograms per gram&nbsp;(µg/g) of dry sediment.</p>
<p><strong>Sediment alkane and polycyclic aromatic hydrocarbons (PAHs)</strong><br />
PAHs extraction and analysis followed Rhind et al. (2009) and Wang et al. (2014). Briefly, about 1 gram sediment (dry weight) was added with surrogate standards (Ace-d10, Phe-d10, BaP-d12) and 8 mL ethanoic potassium hydroxide (1 M). The samples were heated to 90°C for 8 hours. The analytes were extracted by hexane and then purified with a column packed with activated silica gel and topped with 1 cm anhydrous sodium sulfate. The PAHs were then eluted with dichloromethane/hexane (1:4, v/v). The eluted solution was concentrated and exchanged by hexane to 1 mL with a rotary evaporator, and stored at 4°C until further analysis. PAHs were analyzed by gas chromatography– mass spectrometry (GC-MS, Shimadzu QP2010 plus).&nbsp; The GC-MS is equipped with a RXi-1MS capillary column (20 mÅ~0.18 mm i.d., film thickness 0.18 μ m), with helium as the carrier gas at a flow rate of 0.8 mL min−1, using a selective ion monitoring mode to detect PAH.&nbsp; The scan ions ranged from 126 to 279 atomic mass units, and the dwell time per ion was 200 milliseconds. The oven temperature was held at 60°C for 1 min, increased to 240°C at a rate of 10°C min−1, and then increased to 280°C at a rate of 4°C min−1 and held for 3 min. The temperatures of the injector and detector were 260°C and 275°C, respectively. The injection volume was 1 μl with a split ratio of 1/20. All of the 16 PAHs were eluted from 5 to 30 min in the GC column.</p>
<p><strong>Acquisition notes:&nbsp;</strong><br />
Stations S15 and S19 were not sampled in April 2018 due to extremely low water level which impeded boat passage to the two sampling sites</p>
Specified by the Principal Investigator(s)
<p><strong>BCO-DMO processing:</strong><br />
-&nbsp;Added a conventional header with dataset name, PI names, version date<br />
-&nbsp;Adjusted parameter names to comply with database requirements<br />
-&nbsp;Units removed and added to Parameter Description metadata section<br />
&nbsp;</p>
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
Thermo FLASH 2000 CHN Elemental Analyzer
Thermo FLASH 2000 CHN Elemental Analyzer
PI Supplied Instrument Name: Thermo FLASH 2000 CHN Elemental Analyzer PI Supplied Instrument Description:The organic carbon and nitrogen content of the samples was measured using a Thermo FLASH 2000 CHN Elemental Analyzer. Precision for the C/N content is within 5%. Instrument Name: CHN Elemental Analyzer Instrument Short Name:CHN_EA Instrument Description: A CHN Elemental Analyzer is used for the determination of carbon, hydrogen, and nitrogen content in organic and other types of materials, including solids, liquids, volatile, and viscous samples.
GC-MS, Shimadzu QP2010 plus
GC-MS, Shimadzu QP2010 plus
PI Supplied Instrument Name: GC-MS, Shimadzu QP2010 plus PI Supplied Instrument Description:The Shimadzu QP2010 plus GC-MS used for this study is equipped with a RXi-1MS capillary column (20 mÅ~0.18 mm i.d., film thickness 0.18 μ m), with helium as the carrier gas at a flow rate of 0.8 mL min−1, using a selective ion monitoring mode to detect PAHs. Instrument Name: Gas Chromatograph Mass Spectrometer Instrument Short Name: Instrument Description: Instruments separating gases, volatile substances or substances dissolved in a volatile solvent by transporting an inert gas through a column packed with a sorbent to a detector for assay by a mass spectrometer.
Shimadzu HPLC system
Shimadzu HPLC system
PI Supplied Instrument Name: Shimadzu HPLC system PI Supplied Instrument Description:Shimadzu HPLC with reverse phase column was used for pigment analysis.
Reverse phase column was Agilent Eclipse XDB-C8, 3.5 µm particle size, 150-mm length × 4.6-mm diameter Instrument Name: High-Performance Liquid Chromatograph Instrument Short Name:HPLC Instrument Description: A High-performance liquid chromatograph (HPLC) is a type of liquid chromatography used to separate compounds that are dissolved in solution. HPLC instruments consist of a reservoir of the mobile phase, a pump, an injector, a separation column, and a detector. Compounds are separated by high pressure pumping of the sample mixture onto a column packed with microspheres coated with the stationary phase. The different components in the mixture pass through the column at different rates due to differences in their partitioning behavior between the mobile liquid phase and the stationary phase. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB11/
Thermo Delta V Plus isotope ratio mass spectrometer
Thermo Delta V Plus isotope ratio mass spectrometer
PI Supplied Instrument Name: Thermo Delta V Plus isotope ratio mass spectrometer PI Supplied Instrument Description:Stable carbon isotopes were measured with a Thermo Delta V Plus isotope ratio mass spectrometer (coupled from a Thermo FLASH 2000 CHN Elemental Analyzer). The δ13C values were expressed relative to Vienna Pee Dee Belemnite standard, with a precision within 0.2%. 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/
Lachat QuikChem 8500
Lachat QuikChem 8500
PI Supplied Instrument Name: Lachat QuikChem 8500 PI Supplied Instrument Description:Lachat QuikChem 8500 was used for Nutrient analyses (Silicate, Phosphorous, Ammonia, Nitrate+Nitrite) Instrument Name: Nutrient Autoanalyzer Instrument Short Name:Nutrient Autoanalyzer Instrument Description: Nutrient Autoanalyzer is a generic term used when specific type, make and model were not specified. In general, a Nutrient Autoanalyzer is an automated flow-thru system for doing nutrient analysis (nitrate, ammonium, orthophosphate, and silicate) on seawater samples. Community Standard Description: http://vocab.nerc.ac.uk/collection/L05/current/LAB04/
Beckman-Coulter laser particle size analyzer
Beckman-Coulter laser particle size analyzer
PI Supplied Instrument Name: Beckman-Coulter laser particle size analyzer PI Supplied Instrument Description:The grain size of surface sediment was measured using a Beckman-Coulter laser particle size analyzer Instrument Name: Particle Size Analyzer Instrument Short Name: Instrument Description: Particle size analysis, particle size measurement, or simply particle sizing is the collective name of the technical procedures, or laboratory techniques which determines the size range, and/or the average, or mean size of the particles in a powder or liquid sample.