http://lod.bco-dmo.org/id/dataset/821117
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
2020-08-18
ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
ISO 19115-2:2009(E)
CO2-system and auxiliary data from the Northern Gulf of Mexico from samples collected during R/V Pelican cruise PE18-09 in September of 2017
2020-08-18
publication
2020-08-18
revision
Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)
2020-09-21
publication
https://doi.org/10.26008/1912/bco-dmo.821117.1
Zhaohui Aleck Wang
Woods Hole Oceanographic Institution
principalInvestigator
James Churchill
Woods Hole Oceanographic Institution
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: Wurgaft, E., Wang, Z. A., Churchill, J. (2020) CO2-system and auxiliary data from the Northern Gulf of Mexico from samples collected during R/V Pelican cruise PE18-09 in September of 2017. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2020-08-18 [if applicable, indicate subset used]. doi:10.26008/1912/bco-dmo.821117.1 [access date]
Dataset Description: <p>CO2-system and auxiliary data from the Northern Gulf of Mexico from samples collected during R/V Pelican cruise PE18-09 in&nbsp;September of 2017.</p> Methods and Sampling: <p>Discrete seawater samples and depth, temperature and salinity data were acquired using a SeaBird Electronics rosette, equipped with a CTD (Sea-Bird Electronics SBE 911 plus). Sampling for carbonate system parameters (TA, DIC and pH) commenced immediately after the recovery of the rosette to ship’s deck and employed the standard procedures described by (Dickson et al., 2007), and was followed by sampling for nutrients (TON, SRP, Silica). Samples were kept at room temperature until their analysis. Nutrient samples were collected into 15 ml plastic vials, to which 100 μL of 0.1 M HCl were added.<br />
Total alkalinity measurements were conducted at Wang’s laboratory at WHOI by a modified Gran titration procedure (Cai et al., 2010; Huang et al., 2012). The titrations were conducted potentiometrically with an automated titrator (AS-ALK2; Apollo SciTech) using an open-cell configuration and a ROSSTM combination electrode (Thermo Fisher Scientific) at a controlled temperature. The titrant (HCl, 0.07 M) concentration was determined by titration of Certified Reference Material (CRM) provided by Dr. A.G. Dickson at the Scripps Institution of Oceanography. The precision and accuracy of total alkalinity measurements is better than ± 2 μmol kg-1.<br />
&nbsp;The DIC concentrations were measured at Wang’s laboratory at WHOI, using a NDIR-based DIC autoanalyzer (AS-C3, Apollo SciTech), calibrated with CRM. The NDIR-based DIC analyzer (AS-C3, Apollo SciTech) uses N2 to purge CO2 from a known volume of acidified seawater sample. The CO2 in the resulting gas stream is dried using a Nafion membrane trap, which is constantly flushed with a counter-flow of dried room air. Then, the CO2 content of the gas stream is quantified by a NDIR CO2 analyzer (LI-7000, LICOR). This instrument has a precision and accuracy of better than ±2.0 μmol kg−1.<br />
Discrete pH samples were measured in Wang’s lab at WHOI using 10 cm path-length optical cells and analyzed at 25°C within a few weeks after sampling. Discrete pH measurements were based on the conventional spectrophotometric procedure using purified m-cresol purple as an indicator and 10 cm path-length optical cells (Dickson et al., 2007; Liu et al., 2011) on a HP 8453 spectrophotometer, with a precision of ±0.0004 and an accuracy of 0.001-0.002 pH units.&nbsp;<br />
Nutrient (Nitrate, soluble reactive phosphate and silicic acid) measurements were conducted at Lazar’s laboratory at the Inter-University Institute for oceanography in Eilat, Israel. The analysis will be conducted colorimetrically, using a Flow Injection Analyzer (FIA, LACHAT Instruments Quik-Chem 8500) (Grasshoff et al., 2009). Accuracy was obtained by calibration against a commercial, high-concentration standard (Merck).&nbsp;&nbsp;</p>
<p>Instruments:<br />
Discrete seawater samples and depth, temperature and salinity data were acquired using a SeaBird Electronics rosette, equipped with a CTD (Sea-Bird Electronics SBE 911 plus).</p>
Funding provided by NSF Division of Ocean Sciences (NSF OCE) Award Number: OCE-1635388 Award URL: https://www.nsf.gov/awardsearch/show-award?AWD_ID=1635388
completed
Zhaohui Aleck Wang
Woods Hole Oceanographic Institution
508-289-3676
Marine Chemistry and Geochemistry MS #8
Woods Hole
MA
02543
USA
zawang@whoi.edu
pointOfContact
James Churchill
Woods Hole Oceanographic Institution
508-289-2807
Clark 354, MS #21
Woods Hole
MA
02543-1541
USA
jchurchill@whoi.edu
pointOfContact
asNeeded
Dataset Version: 1
Unknown
Plume
Month
Day
Time_UTC
ISO_DateTime_UTC
Latitude
Longitude
Depth
Temp
Sal
TA
DIC
pH
TON
SRP
Silica
Ca_2plus
Na_plus
theme
None, User defined
site
month of year
day of month
date_utc
ISO_DateTime_UTC
latitude
longitude
depth
water temperature at measurement depth
salinity
total alkalinity (TA)
dissolved inorganic Carbon
pH
total organic Nitrogen
SRP
silica
calcium (II) cation (Ca2+)
Sodium cation (Na+)
featureType
BCO-DMO Standard Parameters
CTD Sea-Bird SBE 911plus
instrument
BCO-DMO Standard Instruments
PE18-09
service
Deployment Activity
Northern Gulf of Mexico : river plumes of the Mississippi and the Brazos
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.
NSFOCE-BSF: Collaborative Research: The Role and Mechanisms of Nuclei-induced Calcium Carbonate Precipitation in the Coastal Carbon Cycle: A First In-depth Study
https://osprey.bco-dmo.org/project/754858
NSFOCE-BSF: Collaborative Research: The Role and Mechanisms of Nuclei-induced Calcium Carbonate Precipitation in the Coastal Carbon Cycle: A First In-depth Study
<p>NSF Abstract:</p>
<p>The formation of calcium carbonate (CaCO3) in seawater is a fundamental pathway in the marine carbon cycle. Calcium carbonate formation may occur through biological production (calcification by organisms building shells or skeletal material) or through non-biological (abiotic, or chemical) processes. Although most surface seawater in both open and coastal waters is supersaturated in calcium carbonate, several factors inhibit the abiotic production of calcium carbonate. Therefore the current paradigm is that most calcium carbonate formation in seawater is biological. However, laboratory experiments have demonstrated that addition of solid-phase particles to supersaturated seawater promotes nuclei-induced CaCO3 precipitation (NICP) by providing "seeds" for precipitation. NICP has been demonstrated in the Little Bahama Banks during events of re-suspension of CaCO3-rich sediments. Until very recently, essentially no evidence has shown that NICP occurs in typical marine systems where suspended particles have relatively low CaCO3 content. A recent study by the Israeli partners in this project provides evidence that NICP may play a significant role in the carbon budget in the Red Sea, as a result of an influx of particulate material caused by flash floods and potentially airborne dusts. Such a finding suggests that NICP may be an important CaCO3 formation pathway that has been mostly ignored in the ocean carbon cycle. The goal of this project is to conduct the first comprehensive, in-depth study to evaluate the significance of NICP in the oceans. The project is an international collaboration between U.S. and Israeli scientists, jointly funded by NSF and the U.S.-Israel Binational Science Foundation. A postdoctoral researcher whose Ph.D. work forms the foundation for this study will be supported through this project. An Israeli masters-level student and one U.S. minority undergraduate intern will be advised and trained in this project.</p>
<p>The project will use an integrated approach to assess different mechanisms that may result in NICP, including riverine sediment input, land-derived particle influx via flash floods, bottom sediment resuspension, and atmospheric dust input. Field investigations will be done in a suite of coastal environments: the northern Red Sea, the Mississippi and Sabine River plumes and Galveston Bay in the northern Gulf of Mexico, each of which receive significant quantities of non-carbonate rich sediments. The investigators will also conduct controlled laboratory experiments to verify and extend field observations. If NICP is shown to be significant, this finding could promote a reexamination of important parts of the carbon cycle and the response of the ocean carbon system to ongoing perturbations.</p>
Nuclei CaCO3 Precip
largerWorkCitation
project
eng; USA
oceans
Northern Gulf of Mexico : river plumes of the Mississippi and the Brazos
-95.5236
-89.262
28.059
29.172
2017-09-10
2017-09-16
Northern Red Sea (Eilat, Israel), Mississippi / Sabine/ Brazos River plumes and Galveston Bay in the northern Gulf of Mexico
0
BCO-DMO catalogue of parameters from CO2-system and auxiliary data from the Northern Gulf of Mexico from samples collected during R/V Pelican cruise PE18-09 in September of 2017
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/821246.rdf
Name: Plume
Units: unitless
Description: <p>River plume sampled</p>
http://lod.bco-dmo.org/id/dataset-parameter/821247.rdf
Name: Month
Units: unitless
Description: <p>Month</p>
http://lod.bco-dmo.org/id/dataset-parameter/821248.rdf
Name: Day
Units: unitless
Description: <p>Day</p>
http://lod.bco-dmo.org/id/dataset-parameter/821249.rdf
Name: Time_UTC
Units: unitless
Description: <p>Date (UTC) in format yyyy-mm-dd</p>
http://lod.bco-dmo.org/id/dataset-parameter/821250.rdf
Name: ISO_DateTime_UTC
Units: unitless
Description: <p>Datetime (UTC) in ISO 8601:2004 format yyyy-mm-ddTHH:MMZ</p>
http://lod.bco-dmo.org/id/dataset-parameter/821251.rdf
Name: Latitude
Units: decimal degrees
Description: <p>degrees</p>
http://lod.bco-dmo.org/id/dataset-parameter/821252.rdf
Name: Longitude
Units: decimal degrees
Description: <p>degrees</p>
http://lod.bco-dmo.org/id/dataset-parameter/821253.rdf
Name: Depth
Units: meters (m)
Description: <p>water depth</p>
http://lod.bco-dmo.org/id/dataset-parameter/821254.rdf
Name: Temp
Units: degrees Celsius
Description: <p>water temperature</p>
http://lod.bco-dmo.org/id/dataset-parameter/821255.rdf
Name: Sal
Units: Practical Salinity Units (PSU)
Description: <p>water salinity</p>
http://lod.bco-dmo.org/id/dataset-parameter/821256.rdf
Name: TA
Units: micromoles per kilogram (umol/kg)
Description: <p>Total Alkalinity</p>
http://lod.bco-dmo.org/id/dataset-parameter/821257.rdf
Name: DIC
Units: micromoles per kilogram (umol/kg)
Description: <p>Dissolved Inorganic Carbon</p>
http://lod.bco-dmo.org/id/dataset-parameter/821258.rdf
Name: pH
Units: total scale
Description: <p>pH</p>
http://lod.bco-dmo.org/id/dataset-parameter/821259.rdf
Name: TON
Units: micromoles per kilogram (umol/kg)
Description: <p>Total oxideized nitrogen</p>
http://lod.bco-dmo.org/id/dataset-parameter/821260.rdf
Name: SRP
Units: micromoles per kilogram (umol/kg)
Description: <p>Soluble reactive phosphate</p>
http://lod.bco-dmo.org/id/dataset-parameter/821261.rdf
Name: Silica
Units: micromoles per kilogram (umol/kg)
Description: <p>dissolved Si(OH)4</p>
http://lod.bco-dmo.org/id/dataset-parameter/821262.rdf
Name: Ca_2plus
Units: moles per kilogram (mol/kg)
Description: <p>dissolved Ca2+</p>
http://lod.bco-dmo.org/id/dataset-parameter/821263.rdf
Name: Na_plus
Units: moles per kilogram (mol/kg)
Description: <p>dissolved Na+</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
13561
https://darchive.mblwhoilibrary.org/bitstream/1912/26188/1/dataset-821117_co2-system-data__v1.tsv
download
https://doi.org/10.26008/1912/bco-dmo.821117.1
download
onLine
dataset
<p>Discrete seawater samples and depth, temperature and salinity data were acquired using a SeaBird Electronics rosette, equipped with a CTD (Sea-Bird Electronics SBE 911 plus). Sampling for carbonate system parameters (TA, DIC and pH) commenced immediately after the recovery of the rosette to ship’s deck and employed the standard procedures described by (Dickson et al., 2007), and was followed by sampling for nutrients (TON, SRP, Silica). Samples were kept at room temperature until their analysis. Nutrient samples were collected into 15 ml plastic vials, to which 100 μL of 0.1 M HCl were added.<br />
Total alkalinity measurements were conducted at Wang’s laboratory at WHOI by a modified Gran titration procedure (Cai et al., 2010; Huang et al., 2012). The titrations were conducted potentiometrically with an automated titrator (AS-ALK2; Apollo SciTech) using an open-cell configuration and a ROSSTM combination electrode (Thermo Fisher Scientific) at a controlled temperature. The titrant (HCl, 0.07 M) concentration was determined by titration of Certified Reference Material (CRM) provided by Dr. A.G. Dickson at the Scripps Institution of Oceanography. The precision and accuracy of total alkalinity measurements is better than ± 2 μmol kg-1.<br />
&nbsp;The DIC concentrations were measured at Wang’s laboratory at WHOI, using a NDIR-based DIC autoanalyzer (AS-C3, Apollo SciTech), calibrated with CRM. The NDIR-based DIC analyzer (AS-C3, Apollo SciTech) uses N2 to purge CO2 from a known volume of acidified seawater sample. The CO2 in the resulting gas stream is dried using a Nafion membrane trap, which is constantly flushed with a counter-flow of dried room air. Then, the CO2 content of the gas stream is quantified by a NDIR CO2 analyzer (LI-7000, LICOR). This instrument has a precision and accuracy of better than ±2.0 μmol kg−1.<br />
Discrete pH samples were measured in Wang’s lab at WHOI using 10 cm path-length optical cells and analyzed at 25°C within a few weeks after sampling. Discrete pH measurements were based on the conventional spectrophotometric procedure using purified m-cresol purple as an indicator and 10 cm path-length optical cells (Dickson et al., 2007; Liu et al., 2011) on a HP 8453 spectrophotometer, with a precision of ±0.0004 and an accuracy of 0.001-0.002 pH units.&nbsp;<br />
Nutrient (Nitrate, soluble reactive phosphate and silicic acid) measurements were conducted at Lazar’s laboratory at the Inter-University Institute for oceanography in Eilat, Israel. The analysis will be conducted colorimetrically, using a Flow Injection Analyzer (FIA, LACHAT Instruments Quik-Chem 8500) (Grasshoff et al., 2009). Accuracy was obtained by calibration against a commercial, high-concentration standard (Merck).&nbsp;&nbsp;</p>
<p>Instruments:<br />
Discrete seawater samples and depth, temperature and salinity data were acquired using a SeaBird Electronics rosette, equipped with a CTD (Sea-Bird Electronics SBE 911 plus).</p>
Specified by the Principal Investigator(s)
<p>BCO-DMO Data Manager Processing Notes:<br />
* Data submitted in file MSP_BRA_Data20200729.xlsx in sheets "Mississippi" and "Brazos" extracted to csv format.&nbsp;&nbsp;<br />
* column Plume added with values "Mississippi" and "Brazos."&nbsp; Data from both sheets combined into one table.<br />
* added a conventional header with dataset name, PI name, version date<br />
* modified parameter names to conform with BCO-DMO naming conventions (spaces, +, and - changed to underscores).&nbsp; Units in parentheses removed and added to Parameter Description metadata section.<br />
* blank values in this dataset are displayed as "nd" for "no data."&nbsp; nd is the default missing data identifier in the BCO-DMO system.<br />
* Added column ISO_DateTime_UTC in format yyyy-mm-ddTHH:MMZ using Time_UTC, Month, Day columns with year as 2017.<br />
* Latitude and Longitude columns rounded to five decimal places<br />
* Clarified parameter descriptions with submitter,&nbsp;&nbsp;"Silica" is&nbsp;Si(OH)4 and Salinity :Sal" are PSU.<br />
* Submitter indicated the submitted file had an issue.&nbsp; The Na+ column should not have been divided by 1000 before submission to us.&nbsp; To resolve this, the data was exported from the Excel file without formatting so the full decimal values could be accessed (if exported with formatting Excel had,&nbsp;all Na+ values would have been 0.000).&nbsp; After Na+ multiplied by 1000, then the original formatting shown in the excel file was applied to the dataset for all columns.</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
PI Supplied Instrument Name: PI Supplied Instrument Description:Discrete seawater samples and depth, temperature and salinity data were acquired using a SeaBird Electronics rosette, equipped with a CTD (Sea-Bird Electronics SBE 911 plus). Instrument Name: CTD Sea-Bird SBE 911plus Instrument Short Name:CTD SBE 911plus Instrument Description: The Sea-Bird SBE 911 plus is a type of CTD instrument package for continuous measurement of conductivity, temperature and pressure. The SBE 911 plus includes the SBE 9plus Underwater Unit and the SBE 11plus Deck Unit (for real-time readout using conductive wire) for deployment from a vessel. The combination of the SBE 9 plus and SBE 11 plus is called a SBE 911 plus. The SBE 9 plus uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3 plus and SBE 4). The SBE 9 plus CTD can be configured with up to eight auxiliary sensors to measure other parameters including dissolved oxygen, pH, turbidity, fluorescence, light (PAR), light transmission, etc.). more information from Sea-Bird Electronics Community Standard Description: http://vocab.nerc.ac.uk/collection/L22/current/TOOL0058/
Cruise: PE18-09
PE18-09
R/V Pelican
Community Standard Description
International Council for the Exploration of the Sea
R/V Pelican
vessel
PE18-09
Zhaohui Aleck Wang
Woods Hole Oceanographic Institution
R/V Pelican
Community Standard Description
International Council for the Exploration of the Sea
R/V Pelican
vessel