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Partial pressure of carbon dioxide (pCO2), temperature, salinity and other variables collected from surface underway and time series coastal observations from R.V Gulf Challenger in the North Atlantic Ocean, Gulf of Main in 2019 (NCEI Accession 0208892)

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This dataset includes surface underway, chemical, meteorological, physical and time series coastal data collected from from R.V Gulf Challenger in the North Atlantic Ocean, Gulf of Main from 2019-02-23 to 2019-10-24. These data include air temperature, barometric pressure, partial pressure (or fugacity) of carbon dioxide (pCO2) in atmosphere, pCO2 in water, sea surface salinity, sea surface temperature. The instruments used to collect these data include carbon dioxide (CO2) gas analyzer and shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement.

Dataset Citation

Cite as: Vandemark, Douglas; Salisbury, Joseph E.; Hunt, Christopher W.; McGillis, Wade R. (2020). Partial pressure of carbon dioxide (pCO2), temperature, salinity and other variables collected from surface underway and time series coastal observations from R.V Gulf Challenger in the North Atlantic Ocean, Gulf of Main in 2019 (NCEI Accession 0208892). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/m6pr-vh05. Accessed [date].

Dataset Identifiers

ISO 19115-2 Metadata

gov.noaa.nodc:0208892

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Download Data	HTTPS (download) Navigate directly to the URL for data access and direct download. FTP (download) These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP).
Distribution Formats	Originator data format
Ordering Instructions	Contact NCEI for other distribution options and instructions.
Distributor	NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov
Dataset Point of Contact	NOAA National Centers for Environmental Information ncei.info@noaa.gov

Time Period	2019-02-23 to 2019-10-24
Spatial Bounding Box Coordinates	West: -70.72 East: -66 South: 42.71 North: 45.44
Spatial Coverage Map

General Documentation

Project Metadata
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Descriptive Information
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Associated Resources

DOE (2007) Guide to Best Practices for Ocean CO2 Measurements, A.G. Dickson, C.L. Sabine and J.R. Christian, eds. PICES Special Publication, 191 pp. https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/Handbook_2007.html
- https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/Handbook_2007.html
  related publication or dataset
Wanninkhof, R., & Thoning, K. (1993). Measurement of fugacity of CO2 in surface water using continuous and discrete sampling methods. Marine Chemistry, 44(2–4), 189–204. https://doi.org/10.1016/0304-4203(93)90202-y
- https://doi.org/10.1016/0304-4203(93)90202-y
  journal article
Time Series and Coastal Cruises: Gulf of Maine
- https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/Coastal/unh_ts.html
  related resource
NOAA National Centers for Environmental Information (2022). Ocean Carbon and Acidification Data System (OCADS). NOAA National Centers for Environmental Information. https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system
- https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system
  OCADS website

Publication Dates	publication: 2020-02-05
Data Presentation Form	Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress Status	Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility
Data Update Frequency	As needed
Purpose	This dataset is available to the public for a wide variety of uses including scientific research and analysis.
Use Limitations	accessLevel: Public Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.

Dataset Citation	Cite as: Vandemark, Douglas; Salisbury, Joseph E.; Hunt, Christopher W.; McGillis, Wade R. (2020). Partial pressure of carbon dioxide (pCO2), temperature, salinity and other variables collected from surface underway and time series coastal observations from R.V Gulf Challenger in the North Atlantic Ocean, Gulf of Main in 2019 (NCEI Accession 0208892). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/m6pr-vh05. Accessed [date].
Cited Authors	Vandemark, Douglas University of New Hampshire (UNH) Salisbury, Joseph E. Hunt, Christopher W. University of New Hampshire McGillis, Wade R. Lamont-Doherty Earth Observatory (LDEO)
Principal Investigators	Joseph E. Salisbury University of New Hampshire (UNH) Douglas Vandemark University of New Hampshire (UNH) Wade R. McGillis Columbia University; Lamont-Doherty Earth Observatory (LDEO) Christopher W. Hunt University of New Hampshire (UNH)
Contributors	University of New Hampshire (UNH)
Resource Providers	Christopher W. Hunt University of New Hampshire (UNH) University of New Hampshire (UNH)
Publishers	NOAA National Centers for Environmental Information

Theme keywords	NODC DATA TYPES THESAURUS BAROMETRIC PRESSURE Partial pressure (or fugacity) of carbon dioxide - atmosphere partial pressure of carbon dioxide - water SALINITY - SURFACE WATER SEA SURFACE TEMPERATURE xCO2 atmosphere xCO2 seawater NODC OBSERVATION TYPES THESAURUS chemical meteorological physical surface underway time series WMO_CategoryCode oceanography Global Change Master Directory (GCMD) Science Keywords EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC CHEMISTRY > CARBON AND HYDROCARBON COMPOUNDS > ATMOSPHERIC CARBON DIOXIDE > PARTIAL PRESSURE OF CARBON DIOXIDE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE EARTH SCIENCE > CLIMATE INDICATORS > ATMOSPHERIC/OCEAN INDICATORS > SURFACE SALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY OCADS Study Type Coastal Surface underway Time series Provider Variable Abbreviations ATM_PRE ATM_TMP FCO2_AIR FCO2_WAT SHIP_SPEED SSS SST XCO2_AIR XCO2_WAT
Data Center keywords	NODC COLLECTING INSTITUTION NAMES THESAURUS University of New Hampshire NODC SUBMITTING INSTITUTION NAMES THESAURUS University of New Hampshire
Platform keywords	NODC PLATFORM NAMES THESAURUS GULF CHALLENGER ICES/SeaDataNet Ship Codes GULF CHALLENGER (ICES code: 33GC)
Instrument keywords	NODC INSTRUMENT TYPES THESAURUS barometric pressure sensor carbon dioxide (CO2) gas analyzer salinometer temperature sensor Global Change Master Directory (GCMD) Instrument Keywords BAROMETERS > BAROMETERS CO2 ANALYZERS > CO2 ANALYZERS SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS
Place keywords	NODC SEA AREA NAMES THESAURUS Gulf of Maine North Atlantic Ocean Global Change Master Directory (GCMD) Location Keywords OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MAINE Provider Geographic Names Gulf of Maine North Atlantic Ocean
Project keywords	NODC PROJECT NAMES THESAURUS Ship of Opportunity Programme (SOOP) Surface Ocean CO2 Atlas (SOCAT) Cruise ID Coastal EXPOCODE 33GC20190223 33GC20190521 33GC20190523 33GC20190710 33GC20191022 33GC20191024 Ocean Acidification Search Keywords Ocean Carbon and Acidification Data System (OCADS) Project Reference Section ID Time Series
Keywords	NCEI ACCESSION NUMBER 0208892

Use Constraints	Cite as: Vandemark, Douglas; Salisbury, Joseph E.; Hunt, Christopher W.; McGillis, Wade R. (2020). Partial pressure of carbon dioxide (pCO2), temperature, salinity and other variables collected from surface underway and time series coastal observations from R.V Gulf Challenger in the North Atlantic Ocean, Gulf of Main in 2019 (NCEI Accession 0208892). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/m6pr-vh05. Accessed [date].
Access Constraints	Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
Fees	In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.

Lineage information for: dataset
Processing Steps	2020-02-05T21:35:12Z - NCEI Accession 0208892 v1.1 was published.
Output Datasets	NCEI Accession 0208892 v1.1 NCEI Accession 0208892 v1.1 (download) published 2020-02-05T21:35:12Z

Lineage information for: dataset
Processing Steps	Parameter or Variable: Ship speed in meters per second; Abbreviation: SHIP_SPEED; Unit: m/c; In-situ / Manipulation / Response variable: in-situ. Parameter or Variable: SST; Abbreviation: SST; Unit: DEG_C; Controlled vocabulary name: SEA SURFACE TEMPERATURE; In-situ / Manipulation / Response variable: in-situ; Analyzing instrument: Sea surface temperature measured by a SBE-45 thermosalinograph, in degrees Celcius; Detailed sampling and analyzing information: Seawater temperature and salinity were measured using a SBE-45 thermosalinograph, pumped at 1.5 l/min. The temperature offset listed in the header of the data file is the difference between the water temperature measured by the continuous-flow system (SBE-45, intake depth =~0.5m) and profiler package (SBE-49) water temperature at 0.5m. This offset has been subtracted from the water temperature data in this file, and corrections to in-situ temperature have been applied to the pCO2 data in this file. Accuracy of the SBE-45 is verified to less than 0.005 degC. Accuracy of the SBE-45 is verified to less than 0.005 salinity. Accuracy of the SBE-49 is verified to less than 0.0003 degC.. Parameter or Variable: SSS; Abbreviation: SSS; Controlled vocabulary name: SALINITY; In-situ / Manipulation / Response variable: in-situ; Analyzing instrument: Sea surface salinity measured by a SBE-45 thermosalinograph, on the Practical Salinity Scale; Detailed sampling and analyzing information: Seawater temperature and salinity were measured using a SBE-45 thermosalinograph, pumped at 1.5 l/min. The temperature offset listed in the header of the data file is the difference between the water temperature measured by the continuous-flow system (SBE-45, intake depth =~0.5m) and profiler package (SBE-49) water temperature at 0.5m. This offset has been subtracted from the water temperature data in this file, and corrections to in-situ temperature have been applied to the pCO2 data in this file. Accuracy of the SBE-45 is verified to less than 0.005 degC. Accuracy of the SBE-45 is verified to less than 0.005 salinity. Accuracy of the SBE-49 is verified to less than 0.0003 degC.. Parameter or Variable: ATM_PRE; Abbreviation: ATM_PRE; Unit: HPA; Controlled vocabulary name: BAROMETRIC PRESSURE; In-situ / Manipulation / Response variable: in-situ; Detailed sampling and analyzing information: Barometric pressure from either onboard barometer, in hectopascals. Average daily pressure was used to fill missing measurements.. Parameter or Variable: XCO2_WAT; Abbreviation: XCO2_WAT; Unit: PPM; Controlled vocabulary name: Mole fraction of CO2 (dry) in equilibrator headspace at equilibrator temperature, in parts per million; In-situ / Manipulation / Response variable: in-situ; Detailed sampling and analyzing information: CO2 Analyzer: LI-840A (Li-cor Biosciences Inc, Lincoln NE). Drying method: Nafion selectively permeable membrane drying loop (Perma Pure, Toms River NJ) operated in a reflux arrangement (no counter-flowing nitrogen stream). Equilibrator type: Three-chamber fast-rate equilibrator similar to that of Wanninkhof and Thoning (1993, reference below), flow rate 1.5 l/min. Note that equilibrator pressure was not measured. CO2 calibration standards: Two-point calibration using ultrapure nitrogen and a mixture of CO2 in nitrogen. Mixtures of CO2 in nitrogen, analyzed to within +/- 1%, were obtained from Scott-Marrin Inc (Riverside, CA). These standards are then adjusted based on comparison to a series of standards ranging from 378-515 ppmv obtained from NOAA/ESRL (http://www.esrl.noaa.gov/). CO2 span concentration range: 514.7. Parameter or Variable: FCO2_WAT; Abbreviation: FCO2_WAT; Unit: UATM; Controlled vocabulary name: Fugacity of CO2 in seawater, in microatmospheres; In-situ / Manipulation / Response variable: in-situ. Parameter or Variable: FCO2_AIR; Abbreviation: FCO2_AIR; Unit: UATM; Controlled vocabulary name: Fugacity of CO2 in air, in microatmospheres; In-situ / Manipulation / Response variable: in-situ. Parameter or Variable: XCO2_AIR; Abbreviation: XCO2_AIR; Unit: PPM; Controlled vocabulary name: Mole fraction of CO2 (dry) in air, in parts per million; In-situ / Manipulation / Response variable: in-situ. Parameter or Variable: ATM_TMP; Abbreviation: ATM_TMP; Unit: DEG_C; Controlled vocabulary name: AIR TEMPERATURE; In-situ / Manipulation / Response variable: in-situ .

Lineage information for: dataset

Processing Steps

Parameter or Variable: Ship speed in meters per second; Abbreviation: SHIP_SPEED; Unit: m/c; In-situ / Manipulation / Response variable: in-situ.
Parameter or Variable: SST; Abbreviation: SST; Unit: DEG_C; Controlled vocabulary name: SEA SURFACE TEMPERATURE; In-situ / Manipulation / Response variable: in-situ; Analyzing instrument: Sea surface temperature measured by a SBE-45 thermosalinograph, in degrees Celcius; Detailed sampling and analyzing information: Seawater temperature and salinity were measured using a SBE-45 thermosalinograph, pumped at 1.5 l/min. The temperature offset listed in the header of the data file is the difference between the water temperature measured by the continuous-flow system (SBE-45, intake depth =~0.5m) and profiler package (SBE-49) water temperature at 0.5m. This offset has been subtracted from the water temperature data in this file, and corrections to in-situ temperature have been applied to the pCO2 data in this file. Accuracy of the SBE-45 is verified to less than 0.005 degC. Accuracy of the SBE-45 is verified to less than 0.005 salinity. Accuracy of the SBE-49 is verified to less than 0.0003 degC..
Parameter or Variable: SSS; Abbreviation: SSS; Controlled vocabulary name: SALINITY; In-situ / Manipulation / Response variable: in-situ; Analyzing instrument: Sea surface salinity measured by a SBE-45 thermosalinograph, on the Practical Salinity Scale; Detailed sampling and analyzing information: Seawater temperature and salinity were measured using a SBE-45 thermosalinograph, pumped at 1.5 l/min. The temperature offset listed in the header of the data file is the difference between the water temperature measured by the continuous-flow system (SBE-45, intake depth =~0.5m) and profiler package (SBE-49) water temperature at 0.5m. This offset has been subtracted from the water temperature data in this file, and corrections to in-situ temperature have been applied to the pCO2 data in this file. Accuracy of the SBE-45 is verified to less than 0.005 degC. Accuracy of the SBE-45 is verified to less than 0.005 salinity. Accuracy of the SBE-49 is verified to less than 0.0003 degC..
Parameter or Variable: ATM_PRE; Abbreviation: ATM_PRE; Unit: HPA; Controlled vocabulary name: BAROMETRIC PRESSURE; In-situ / Manipulation / Response variable: in-situ; Detailed sampling and analyzing information: Barometric pressure from either onboard barometer, in hectopascals. Average daily pressure was used to fill missing measurements..
Parameter or Variable: XCO2_WAT; Abbreviation: XCO2_WAT; Unit: PPM; Controlled vocabulary name: Mole fraction of CO2 (dry) in equilibrator headspace at equilibrator temperature, in parts per million; In-situ / Manipulation / Response variable: in-situ; Detailed sampling and analyzing information: CO2 Analyzer: LI-840A (Li-cor Biosciences Inc, Lincoln NE). Drying method: Nafion selectively permeable membrane drying loop (Perma Pure, Toms River NJ) operated in a reflux arrangement (no counter-flowing nitrogen stream). Equilibrator type: Three-chamber fast-rate equilibrator similar to that of Wanninkhof and Thoning (1993, reference below), flow rate 1.5 l/min. Note that equilibrator pressure was not measured. CO2 calibration standards: Two-point calibration using ultrapure nitrogen and a mixture of CO2 in nitrogen. Mixtures of CO2 in nitrogen, analyzed to within +/- 1%, were obtained from Scott-Marrin Inc (Riverside, CA). These standards are then adjusted based on comparison to a series of standards ranging from 378-515 ppmv obtained from NOAA/ESRL (http://www.esrl.noaa.gov/). CO2 span concentration range: 514.7.
Parameter or Variable: FCO2_WAT; Abbreviation: FCO2_WAT; Unit: UATM; Controlled vocabulary name: Fugacity of CO2 in seawater, in microatmospheres; In-situ / Manipulation / Response variable: in-situ.
Parameter or Variable: FCO2_AIR; Abbreviation: FCO2_AIR; Unit: UATM; Controlled vocabulary name: Fugacity of CO2 in air, in microatmospheres; In-situ / Manipulation / Response variable: in-situ.
Parameter or Variable: XCO2_AIR; Abbreviation: XCO2_AIR; Unit: PPM; Controlled vocabulary name: Mole fraction of CO2 (dry) in air, in parts per million; In-situ / Manipulation / Response variable: in-situ.
Parameter or Variable: ATM_TMP; Abbreviation: ATM_TMP; Unit: DEG_C; Controlled vocabulary name: AIR TEMPERATURE; In-situ / Manipulation / Response variable: in-situ .

Acquisition Information (collection)
Instrument	barometric pressure sensor carbon dioxide (CO2) gas analyzer salinometer temperature sensor
Platform	GULF CHALLENGER

Last Modified: 2024-06-11T16:06:19Z
For questions about the information on this page, please email: ncei.info@noaa.gov

Partial pressure of carbon dioxide (pCO2), temperature, salinity and other variables collected from surface underway and time series coastal observations from R.V Gulf Challenger in the North Atlantic Ocean, Gulf of Main in 2019 (NCEI Accession 0208892)

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