The ocean absorbs one quarter of the global CO2 emissions from human activity. The community-led Surface Ocean CO2 Atlas (www.socat.info) is key for the quantification of ocean CO2 uptake and its variation, now and in the future. SOCAT version 2024 has quality-controlled in situ surface ocean fCO2 (fugacity of CO2) measurements on ships, moorings, sailing yachts, autonomous and drifting surface platforms for the global oceans and coastal seas from 1957 to 2023. The main synthesis and gridded products contain fCO2 values with an estimated accuracy of better than 5 μatm. Sensor fCO2 data with an estimated accuracy of better than 10 μatm are separately available. During quality control, marine scientists assign a flag to each data set, as well as WOCE flags of 2 (good), 3 (questionable) or 4 (bad) to individual fCO2 values. Data sets are assigned flags of A and B for an estimated accuracy of better than 2 μatm, flags of C and D for an accuracy of better than 5 μatm and a flag of E for an accuracy of better than 10 μatm. Bakker et al. (2016) describe the quality control criteria used in SOCAT versions 3 to 2024. Quality control comments for individual data sets can be accessed via the SOCAT Data Set Viewer (www.socat.info). All data sets, where data quality has been deemed acceptable, have been made public. The main SOCAT synthesis files and the gridded products contain all data sets with an estimated accuracy of better than 5 µatm (data set flags of A to D) and fCO2 values with a WOCE flag of 2. Access to data sets with an estimated accuracy of better than 10 µatm (flag of E) and fCO2 values with flags of 3 and 4 is via additional data products and the Data Set Viewer (Table 8 in Bakker et al., 2016). SOCAT publishes a global gridded product with a 1° longitude by 1° latitude resolution without gap filling. A second product with a higher resolution of 0.25° longitude by 0.25° latitude is available for the coastal seas. The gridded products contain all data sets with an estimated accuracy of better than 5 µatm (data set flags of A to D) and fCO2 values with a WOCE flag of 2. Gridded products are available monthly, per year and per decade. Two powerful, interactive, online viewers, the Data Set Viewer and the Gridded Data Viewer (www.socat.info), enable investigation of the SOCAT synthesis and gridded data products. SOCAT data products can be downloaded. Matlab code is available for reading these files. Ocean Data View also provides access to the SOCAT data products (www.socat.info). SOCAT data products are discoverable, accessible and citable. The SOCAT Data Use Statement (www.socat.info) asks users to generously acknowledge the contribution of SOCAT scientists by invitation to co-authorship, especially for data providers in regional studies, and/or reference to relevant scientific articles. The SOCAT website (www.socat.info) provides a single access point for online viewers, downloadable data sets, the Data Use Statement, a list of contributors and an overview of scientific publications on and using SOCAT. Automation of data upload and initial data checks allows annual releases of SOCAT from version 4 onward. SOCAT is used for quantification of ocean CO2 uptake and ocean acidification and for evaluation of climate models and sensor data. SOCAT products inform the annual Global Carbon Budget since 2013. The annual SOCAT releases by the SOCAT scientific community are a Voluntary Commitment for United Nations Sustainable Development Goal 14.3 (Reduce Ocean Acidification) (#OceanAction20464). More broadly the SOCAT releases contribute to UN SDG 13 (Climate Action) and SDG 14 (Life Below Water), and to the UN Decade of Ocean Science for Sustainable Development. Hundreds of peer-reviewed scientific publications and high-impact reports cite SOCAT. The SOCAT community-led synthesis product is a key step in the value chain based on in situ inorganic carbon measurements of the oceans, which provides policy makers with critical information on ocean CO2 uptake in climate negotiations. The need for accurate knowledge of global ocean CO2 uptake and its (future) variation makes sustained funding of in situ surface ocean CO2 observations and their synthesis imperative.
About this Dataset
| Title | Surface Ocean CO2 Atlas Database Version 2024 (SOCATv2024) (NCEI Accession 0293257) |
|---|---|
| Description | The ocean absorbs one quarter of the global CO2 emissions from human activity. The community-led Surface Ocean CO2 Atlas (www.socat.info) is key for the quantification of ocean CO2 uptake and its variation, now and in the future. SOCAT version 2024 has quality-controlled in situ surface ocean fCO2 (fugacity of CO2) measurements on ships, moorings, sailing yachts, autonomous and drifting surface platforms for the global oceans and coastal seas from 1957 to 2023. The main synthesis and gridded products contain fCO2 values with an estimated accuracy of better than 5 μatm. Sensor fCO2 data with an estimated accuracy of better than 10 μatm are separately available. During quality control, marine scientists assign a flag to each data set, as well as WOCE flags of 2 (good), 3 (questionable) or 4 (bad) to individual fCO2 values. Data sets are assigned flags of A and B for an estimated accuracy of better than 2 μatm, flags of C and D for an accuracy of better than 5 μatm and a flag of E for an accuracy of better than 10 μatm. Bakker et al. (2016) describe the quality control criteria used in SOCAT versions 3 to 2024. Quality control comments for individual data sets can be accessed via the SOCAT Data Set Viewer (www.socat.info). All data sets, where data quality has been deemed acceptable, have been made public. The main SOCAT synthesis files and the gridded products contain all data sets with an estimated accuracy of better than 5 µatm (data set flags of A to D) and fCO2 values with a WOCE flag of 2. Access to data sets with an estimated accuracy of better than 10 µatm (flag of E) and fCO2 values with flags of 3 and 4 is via additional data products and the Data Set Viewer (Table 8 in Bakker et al., 2016). SOCAT publishes a global gridded product with a 1° longitude by 1° latitude resolution without gap filling. A second product with a higher resolution of 0.25° longitude by 0.25° latitude is available for the coastal seas. The gridded products contain all data sets with an estimated accuracy of better than 5 µatm (data set flags of A to D) and fCO2 values with a WOCE flag of 2. Gridded products are available monthly, per year and per decade. Two powerful, interactive, online viewers, the Data Set Viewer and the Gridded Data Viewer (www.socat.info), enable investigation of the SOCAT synthesis and gridded data products. SOCAT data products can be downloaded. Matlab code is available for reading these files. Ocean Data View also provides access to the SOCAT data products (www.socat.info). SOCAT data products are discoverable, accessible and citable. The SOCAT Data Use Statement (www.socat.info) asks users to generously acknowledge the contribution of SOCAT scientists by invitation to co-authorship, especially for data providers in regional studies, and/or reference to relevant scientific articles. The SOCAT website (www.socat.info) provides a single access point for online viewers, downloadable data sets, the Data Use Statement, a list of contributors and an overview of scientific publications on and using SOCAT. Automation of data upload and initial data checks allows annual releases of SOCAT from version 4 onward. SOCAT is used for quantification of ocean CO2 uptake and ocean acidification and for evaluation of climate models and sensor data. SOCAT products inform the annual Global Carbon Budget since 2013. The annual SOCAT releases by the SOCAT scientific community are a Voluntary Commitment for United Nations Sustainable Development Goal 14.3 (Reduce Ocean Acidification) (#OceanAction20464). More broadly the SOCAT releases contribute to UN SDG 13 (Climate Action) and SDG 14 (Life Below Water), and to the UN Decade of Ocean Science for Sustainable Development. Hundreds of peer-reviewed scientific publications and high-impact reports cite SOCAT. The SOCAT community-led synthesis product is a key step in the value chain based on in situ inorganic carbon measurements of the oceans, which provides policy makers with critical information on ocean CO2 uptake in climate negotiations. The need for accurate knowledge of global ocean CO2 uptake and its (future) variation makes sustained funding of in situ surface ocean CO2 observations and their synthesis imperative. |
| Modified | 2024-08-06T09:51:55.819Z |
| Publisher Name | N/A |
| Contact | N/A |
| Keywords | 0293257 , BAROMETRIC PRESSURE , Partial pressure (or fugacity) of carbon dioxide - atmosphere , partial pressure of carbon dioxide - water , SALINITY - SURFACE WATER , WATER TEMPERATURE , barometric pressure sensor , bubble type equilibrator for autonomous carbon dioxide (CO2) measurement , carbon dioxide (CO2) gas analyzer , showerhead equilibrator , temperature sensor , thermosalinograph , surface underway , time series , VARIOUS CHARTERED VESSELS , Bermuda Institute of Ocean Sciences , Flanders Marine Institute , GEOMAR Helmholtz Centre for Ocean Research Kiel , National Institute for Environmental Studies , NORCE Norwegian Research Centre , Sorbonne University , University of Bergen; Geophysical Institute , University of East Anglia; School of Environmental Sciences , UPMC; Oceanographic & Climate Laboratory: experiments and digital approaches , US DOC; NOAA; OAR; Atlantic Oceanographic and Meteorological Laboratory , US DOC; NOAA; OAR; Pacific Marine Environmental Laboratory , US DOC; NOAA; OAR; Pacific Marine Environmental Laboratory , Ship of Opportunity Programme (SOOP) , Surface Ocean CO2 Atlas (SOCAT) , Arctic Ocean , Indian Ocean , North Atlantic Ocean , North Pacific Ocean , South Atlantic Ocean , South Pacific Ocean , Southern Ocean , oceanography , BE/VLIZ > Flanders Marine Institute, Belgium , DE/GEOMAR > GEOMAR - Helmholtz Centre for Ocean Research Kiel, Germany , DOC/NOAA/OAR/AOML > Atlantic Oceanographic and Meteorological Laboratory, OAR, NOAA, U.S. Department of Commerce , DOC/NOAA/OAR/PMEL > Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce , JP/NIES > National Institute for Environmental Studies, Japan , U-BERGEN/GEOPH > Geophysical Institute, University of Bergen , ASVs , Moorings , SOOP cruises , Time Series , Various EXPOCODEs , Ocean Carbon and Acidification Data System (OCADS) Project , Coastal Carbon Project , Moorings an time series project , SOOP , Coastal Carbon Project , Moorings and Time Series Project , Ship Of Opportunity Program (SOOP) , 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 , Data synthesis product , Surface measurement , SOCAT , SOCATv2024 Data Synthesis Product , SOCATv2024 database , SOCATv2024 gridded data product , ATM_PPRE , EQ_PRE , EQ_TMP , SSS , SST , fCO2 , BAROMETERS > BAROMETERS , CO2 ANALYZERS > CO2 ANALYZERS , EQUILIBRATORS , TEMPERATURE SENSORS > TEMPERATURE SENSORS , THERMOSALINOGRAPHS , OCEAN > ARCTIC OCEAN , OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN , OCEAN > ATLANTIC OCEAN > SOUTH ATLANTIC OCEAN , OCEAN > INDIAN OCEAN , OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN , OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN , OCEAN > SOUTHERN OCEAN , Arctic Ocean , Atlantic Ocean , Indian Ocean , Pacific Ocean , Southern Ocean , environment , oceans , climatologyMeteorologyAtmosphere |
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