Dataset Overview | National Centers for Environmental Information (NCEI)

Surface underway measurements of partial pressure of carbon dioxide (pCO2) in the water and atmosphere, sea surface salinity, sea surface temperature and barometric pressure during R/V Xue Long CHINARE2018 Expedition (EXPOCODE 76XL20180723) in the Sea of Okhotsk, Japan Sea, North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2018-07-23 to 2018-09-04 (NCEI Accession 0223522)

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This dataset includes surface underway chemical, physical and meteorological measurements during R/V Xue Long CHINARE2018 Expedition (EXPOCODE 76XL20180723) in the Sea of Okhotsk, Japan Sea, North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2018-07-23 to 2018-09-04. These data include measurements of Mole fraction of CO2 in the equilibrator headspace (dry) at equilibrator temperature, in parts per million, mole fraction of CO2 measured in dry outside air, barometric pressure in the equilibrator headspace, barometric pressure, corrected to sea level, water temperature in equilibrator, sea surface temperature, sea surface salinity, fugacity of CO2 in sea water at SST and 100% humidity, and difference between sea water fCO2 and interpolated air fCO2. 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: Qi, Di; Chen, Liqi; Gao, Zhongyong; Sun, Heng; Cai, Wei-Jun (2020). Surface underway measurements of partial pressure of carbon dioxide (pCO2) in the water and atmosphere, sea surface salinity, sea surface temperature and barometric pressure during R/V Xue Long CHINARE2018 Expedition (EXPOCODE 76XL20180723) in the Sea of Okhotsk, Japan Sea, North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2018-07-23 to 2018-09-04 (NCEI Accession 0223522). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/pds7-td05. Accessed [date].

Dataset Identifiers

ISO 19115-2 Metadata

gov.noaa.nodc:0223522

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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	2018-07-23 to 2018-09-03
Spatial Bounding Box Coordinates	West: 84.72 East: -150.15 South: 42.489 North: 84.72
Spatial Coverage Map

General Documentation

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Descriptive Information
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Associated Resources

Di Qi, Liqi Chen, Zhongyong Gao, Heng Sun, Wei-Jun Cai. Ocean Surface Water Partial Pressure of CO2 database: Measurements Performed during the Ninth Chinese Arctic Research Expedition (CHINARE) (2018). Chinese National Arctic and Antarctic Data Center, 2020. https://doi.org/10.11856/NNS.D.2020.010.v0.
- https://doi.org/10.11856/nns.d.2020.010.v0
  related publication or dataset
R/V Xue Long Expeditions Underway Data
- https://www.ncei.noaa.gov/access/ocean-carbon-acidification-data-system/oceans/VOS_Program/Xuelong.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: 2020-12-24 revision: 2021-05-20
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
Supplemental Information	In this accession, NCEI has archived multiple versions of these data. The latest (and best) version of these data has the largest version number.
Purpose	The major objectives of this project is to provide a high quality carbon related and other measurements in the Arctic Ocean
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: Qi, Di; Chen, Liqi; Gao, Zhongyong; Sun, Heng; Cai, Wei-Jun (2020). Surface underway measurements of partial pressure of carbon dioxide (pCO2) in the water and atmosphere, sea surface salinity, sea surface temperature and barometric pressure during R/V Xue Long CHINARE2018 Expedition (EXPOCODE 76XL20180723) in the Sea of Okhotsk, Japan Sea, North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2018-07-23 to 2018-09-04 (NCEI Accession 0223522). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/pds7-td05. Accessed [date].
Cited Authors	Qi, Di State Oceanic Administration; Third Institute of Oceanography Chen, Liqi State Oceanic Administration; Third Institute of Oceanography Gao, Zhongyong State Oceanic Administration; Third Institute of Oceanography Sun, Heng State Oceanic Administration; Third Institute of Oceanography Cai, Wei-Jun University of Delaware
Principal Investigators	Di Qi State Oceanic Administration; Third Institute of Oceanography Liqi Chen State Oceanic Administration; Third Institute of Oceanography Zhongyong Gao State Oceanic Administration; Third Institute of Oceanography Heng Sun State Oceanic Administration; Third Institute of Oceanography Wei-Jun Cai University of Delaware
Contributors	State Oceanic Administration; Third Institute of Oceanography
Resource Providers	Di Qi State Oceanic Administration; Third Institute of Oceanography State Oceanic Administration; Third Institute of Oceanography
Publishers	NOAA National Centers for Environmental Information
Acknowledgments	Funding Information: Ministry of Natural Resources, China

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 WATER TEMPERATURE NODC OBSERVATION TYPES THESAURUS chemical meteorological physical surface underway WMO_CategoryCode oceanography Global Change Master Directory (GCMD) Science Keywords 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 > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY OCADS Study Type Surface underway Provider Variable Abbreviations PRES_ATM@SSP_hPa SAL_permil SST_C fCO2_SW@SST
Data Center keywords	NODC COLLECTING INSTITUTION NAMES THESAURUS State Oceanic Administration; Third Institute of Oceanography NODC SUBMITTING INSTITUTION NAMES THESAURUS State Oceanic Administration; Third Institute of Oceanography
Platform keywords	NODC PLATFORM NAMES THESAURUS XUE LONG Global Change Master Directory (GCMD) Platform Keywords Ships
Instrument keywords	NODC INSTRUMENT TYPES THESAURUS barometric pressure sensor carbon dioxide (CO2) gas analyzer salinometer showerhead equilibrator temperature sensor Global Change Master Directory (GCMD) Instrument Keywords BAROMETERS > BAROMETERS CO2 ANALYZERS > CO2 ANALYZERS EQUILIBRATORS SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS
Place keywords	NODC SEA AREA NAMES THESAURUS Arctic Ocean Bering Sea Chukchi Sea Japan Sea North Pacific Ocean Sea of Okhotsk Global Change Master Directory (GCMD) Location Keywords OCEAN > ARCTIC OCEAN OCEAN > ARCTIC OCEAN > CHUKCHI SEA OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > BERING SEA OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > SEA OF JAPAN OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > SEA OF OKHOTSK Provider Geographic Names Arctic Ocean Bering Sea Chukchi Sea Japan Sea North Pacific Ocean Sea of Okhotsk
Project keywords	NODC PROJECT NAMES THESAURUS Ship of Opportunity Programme (SOOP) Surface Ocean CO2 Atlas (SOCAT) Cruise ID CHINARE2018 EXPOCODE 76XL20180723 Ocean Acidification Search Keywords Ocean Carbon and Acidification Data System (OCADS) Project Reference Section ID CHINARE Research Projects CHINARE2018
Keywords	NCEI ACCESSION NUMBER 0223522

Use Constraints	Cite as: Qi, Di; Chen, Liqi; Gao, Zhongyong; Sun, Heng; Cai, Wei-Jun (2020). Surface underway measurements of partial pressure of carbon dioxide (pCO2) in the water and atmosphere, sea surface salinity, sea surface temperature and barometric pressure during R/V Xue Long CHINARE2018 Expedition (EXPOCODE 76XL20180723) in the Sea of Okhotsk, Japan Sea, North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2018-07-23 to 2018-09-04 (NCEI Accession 0223522). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/pds7-td05. 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	2020-12-24T11:41:05Z - NCEI Accession 0223522 v1.1 was published. 2021-05-20T22:53:57Z - NCEI Accession 0223522 was revised and v2.2 was published. Rationale: Updates were received for this dataset. These updates were copied into the data/0-data/ directory of this accession. These updates may provide additional files or replace obsolete files. This version contains the most complete and up-to-date representation of this archival information package. All of the files received prior to this update are available in the preceding version of this accession.
Output Datasets	NCEI Accession 0223522 v1.1 NCEI Accession 0223522 v1.1 (download) published 2020-12-24T11:41:05Z NCEI Accession 0223522 v2.2 NCEI Accession 0223522 v2.2 (download) published 2021-05-20T22:53:57Z

Lineage information for: dataset

Processing Steps

2020-12-24T11:41:05Z - NCEI Accession 0223522 v1.1 was published.
2021-05-20T22:53:57Z - NCEI Accession 0223522 was revised and v2.2 was published.
Rationale: Updates were received for this dataset. These updates were copied into the data/0-data/ directory of this accession. These updates may provide additional files or replace obsolete files. This version contains the most complete and up-to-date representation of this archival information package. All of the files received prior to this update are available in the preceding version of this accession.

Output Datasets

NCEI Accession 0223522 v1.1
- NCEI Accession 0223522 v1.1 (download)
  published 2020-12-24T11:41:05Z

NCEI Accession 0223522 v2.2
- NCEI Accession 0223522 v2.2 (download)
  published 2021-05-20T22:53:57Z

Lineage information for: dataset
Processing Steps	Parameter or Variable: pCO2 (fCO2) autonomous; Abbreviation: fCO2_SW@SST; Unit: uatm; Observation type: Surface underway; Measured or calculated: Measured; Sampling instrument: Seawater pump; Location of seawater intake: Bow; Analyzing instrument: Non-dispersive infrared detector (Licor-7000); Detailed sampling and analyzing information: The mole fraction of CO2 in the headspace gas is measured using a non-dispersive infrared (NDIR) analyzer (LI-7000 from LICOR); Equilibrator type: Sprayhead above dynamic pool, no thermal jacket; Equilibrator volume: 0.95 (0.4 L water, 0.5 L headspace); Is the equilibrator vented or not: Vented; Water flow rate: 2.0 L/min; Gas flow rate: 0.1 L/min; How was temperature inside the equilibrator measured: Hart Scientific model 1523 digital thermometer; How was pressure inside the equilibrator measured: External Setra 270 connected to the exit of the analyzer; Drying method for gas: Gas stream passes through a thermoelectric condenser (~5 C) and then through a Perma Pure (Nafion) dryer before reaching the analyzer (90% dry).; SEA CO2 gas detector resolution: 0.01 uatm; SEA CO2 gas detector uncertainty: 1%; Standardization technique: The analyzer is calibrated every 4.3 hours with field standards that in turn were calibrated with primary standards that are directly traceable to the WMO scale. The zero gas is ultra-high purity air.; Standardization frequency: Every 4.3 hours; Standard gas manufacturer:; Standard gas concentration: CO2: 88.82 ppm, 188.36 ppm, 528.92 ppm; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Researcher name: Di Qi; Researcher institution: Third Institute of Oceanography. Parameter or Variable: Sea Surface Temperature; Abbreviation: SST_C; Unit: degrees celcius; Observation type: Surface Underway; Analyzing instrument: SBE 38, Seabird, Inc.; Detailed sampling and analyzing information: After sea water pump, ~3 m below sea surface; Uncertainty: Accuracy: 0.001C, Precision: 0.0003C; Researcher name: Wei-Jun Cai; Researcher institution: University of Georgia. Parameter or Variable: Sea Surface Salinity; Abbreviation: SAL_permil; Observation type: Surface Underway; Analyzing instrument: SBE 45, Seabird, Inc.; Uncertainty: Accuracy: +/- 0.005; Precision: 0.0002; Researcher name: Wei-Jun Cai; Researcher institution: University of Georgia. Parameter or Variable: Atmospheric Pressure; Abbreviation: PRES_ATM@SSP_hPa; Unit: hPa; Analyzing instrument: Vaisala, Model: PTB220; Uncertainty: Accuracy: +/- 0.15 hPa; Precision: 0.01 hPa; Researcher name: Wei-Jun Cai; Researcher institution: University of Georgia .

Lineage information for: dataset

Processing Steps

Parameter or Variable: pCO2 (fCO2) autonomous; Abbreviation: fCO2_SW@SST; Unit: uatm; Observation type: Surface underway; Measured or calculated: Measured; Sampling instrument: Seawater pump; Location of seawater intake: Bow; Analyzing instrument: Non-dispersive infrared detector (Licor-7000); Detailed sampling and analyzing information: The mole fraction of CO2 in the headspace gas is measured using a non-dispersive infrared (NDIR) analyzer (LI-7000 from LICOR); Equilibrator type: Sprayhead above dynamic pool, no thermal jacket; Equilibrator volume: 0.95 (0.4 L water, 0.5 L headspace); Is the equilibrator vented or not: Vented; Water flow rate: 2.0 L/min; Gas flow rate: 0.1 L/min; How was temperature inside the equilibrator measured: Hart Scientific model 1523 digital thermometer; How was pressure inside the equilibrator measured: External Setra 270 connected to the exit of the analyzer; Drying method for gas: Gas stream passes through a thermoelectric condenser (~5 C) and then through a Perma Pure (Nafion) dryer before reaching the analyzer (90% dry).; SEA CO2 gas detector resolution: 0.01 uatm; SEA CO2 gas detector uncertainty: 1%; Standardization technique: The analyzer is calibrated every 4.3 hours with field standards that in turn were calibrated with primary standards that are directly traceable to the WMO scale. The zero gas is ultra-high purity air.; Standardization frequency: Every 4.3 hours; Standard gas manufacturer:; Standard gas concentration: CO2: 88.82 ppm, 188.36 ppm, 528.92 ppm; Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value; Researcher name: Di Qi; Researcher institution: Third Institute of Oceanography.
Parameter or Variable: Sea Surface Temperature; Abbreviation: SST_C; Unit: degrees celcius; Observation type: Surface Underway; Analyzing instrument: SBE 38, Seabird, Inc.; Detailed sampling and analyzing information: After sea water pump, ~3 m below sea surface; Uncertainty: Accuracy: 0.001C, Precision: 0.0003C; Researcher name: Wei-Jun Cai; Researcher institution: University of Georgia.
Parameter or Variable: Sea Surface Salinity; Abbreviation: SAL_permil; Observation type: Surface Underway; Analyzing instrument: SBE 45, Seabird, Inc.; Uncertainty: Accuracy: +/- 0.005; Precision: 0.0002; Researcher name: Wei-Jun Cai; Researcher institution: University of Georgia.
Parameter or Variable: Atmospheric Pressure; Abbreviation: PRES_ATM@SSP_hPa; Unit: hPa; Analyzing instrument: Vaisala, Model: PTB220; Uncertainty: Accuracy: +/- 0.15 hPa; Precision: 0.01 hPa; Researcher name: Wei-Jun Cai; Researcher institution: University of Georgia .

Acquisition Information (collection)
Instrument	barometric pressure sensor carbon dioxide (CO2) gas analyzer salinometer showerhead equilibrator temperature sensor
Platform	XUE LONG

Last Modified: 2024-06-24T20:17:23Z
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