contact: - organization: {email: ncei.info@noaa.gov, name: NOAA National Centers for Environmental Information} roles: [custodian] - organization: {email: null, name: NOAA National Centers for Environmental Information} roles: [custodian] distribution: - name: {en: Project Metadata, fr: Project Metadata (FR)} url: https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0173932.html - name: {en: NCEI Dataset Landing Page, fr: NCEI Dataset Landing Page (FR)} url: https://doi.org/10.7289/v5db8043 - name: {en: Descriptive Information, fr: Descriptive Information (FR)} url: https://www.ncei.noaa.gov/archive/accession/oas/173932 - name: {en: HTTPS, fr: HTTPS (FR)} url: https://www.ncei.noaa.gov/archive/accession/download/173932 - name: {en: FTP, fr: FTP (FR)} url: ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0121/0173932/ - name: {en: CIOOS HTTP, fr: SIOOC HTTP} url: https://data.cioospacific.ca/ocads/gov.noaa.nodc_0173932/ identification: abstract: en: This dataset consists of the data synthesis product files that include autonomous seawater pCO2, pH, sea surface temperature and salinity time series measurements from 40 surface buoys between 2004 and 2017. Ship-based time series, some now approaching over three decades long, are critical climate records that have dramatically improved our ability to characterize natural and anthropogenic drivers of ocean carbon dioxide (CO2) uptake and biogeochemical processes. Advancements in autonomous ocean carbon observing technology over the last two decades have led to the expansion of fixed time series stations with the added capability of characterizing sub-seasonal variability. Here we present a data product of 40 autonomous moored surface ocean pCO2 and pH time series established between 2004 and 2013. These time series characterize a wide range of seawater pCO2 and pH conditions in different oceanic (17 sites) and coastal (13 sites) regimes including coral reefs (10 sites). With well-constrained daily to interannual variability and an estimate of decadal variability, these data suggest the length of time series necessary to detect an anthropogenic trend in seawater pCO2 and pH varies from 8 to 15 years at the open ocean sites, 16 to 41 years at the coastal sites, and 9 to 22 years at the coral reef sites. Only two open ocean pCO2 time series, WHOTS in the subtropical North Pacific and Stratus in the South Pacific gyre, are longer than the estimated time of emergence, and deseasoned monthly means show anthropogenic trends of 1.9+/-0.3 µatm yr-1 and 1.6+/-0.3 µatm yr-1, respectively. In the future, it is possible that updates to this product will allow for estimating anthropogenic trends at more sites; however, the product currently provides a valuable tool in an accessible format for evaluating climatology and natural variability of surface ocean carbonate chemistry in a variety of regions. fr: This dataset consists of the data synthesis product files that include autonomous seawater pCO2, pH, sea surface temperature and salinity time series measurements from 40 surface buoys between 2004 and 2017. Ship-based time series, some now approaching over three decades long, are critical climate records that have dramatically improved our ability to characterize natural and anthropogenic drivers of ocean carbon dioxide (CO2) uptake and biogeochemical processes. Advancements in autonomous ocean carbon observing technology over the last two decades have led to the expansion of fixed time series stations with the added capability of characterizing sub-seasonal variability. Here we present a data product of 40 autonomous moored surface ocean pCO2 and pH time series established between 2004 and 2013. These time series characterize a wide range of seawater pCO2 and pH conditions in different oceanic (17 sites) and coastal (13 sites) regimes including coral reefs (10 sites). With well-constrained daily to interannual variability and an estimate of decadal variability, these data suggest the length of time series necessary to detect an anthropogenic trend in seawater pCO2 and pH varies from 8 to 15 years at the open ocean sites, 16 to 41 years at the coastal sites, and 9 to 22 years at the coral reef sites. Only two open ocean pCO2 time series, WHOTS in the subtropical North Pacific and Stratus in the South Pacific gyre, are longer than the estimated time of emergence, and deseasoned monthly means show anthropogenic trends of 1.9+/-0.3 µatm yr-1 and 1.6+/-0.3 µatm yr-1, respectively. In the future, it is possible that updates to this product will allow for estimating anthropogenic trends at more sites; however, the product currently provides a valuable tool in an accessible format for evaluating climatology and natural variability of surface ocean carbonate chemistry in a variety of regions. (FR) translations: fr: {message: Auto-translated using AWS, validated: false} acknowledgement: acknowledgement associated_resources: [] keywords: default: en: [0173932, Ala Wai, BOBOA, BTM, CCE1, CCE2, CO2 ANALYZERS > CO2 ANALYZERS, CRIMP1, CRIMP2, Cape Elizabeth, Caribbean Sea, Cheeca Rocks, Chuuk, Chá bă (LaPush), Coastal MS, Crescent Reef, 'DOC/NOAA/OAR/PMEL > Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce', Dabob, GAKOA, Global CO2 Time-series and Moorings Project (CDIAC), Gray's Reef, Gulf of Maine, Hog Reef, Iceland, Indian Ocean, JKEO, KEO, Kaneohe, Kilo Nalu, Kodiak, La Parguera, M2, MOORINGS, Mooring, Moorings, NH-10, North Atlantic Ocean, North Pacific Ocean, OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN, OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > CARIBBEAN SEA, OCEAN > INDIAN OCEAN, OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN, OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN, Ocean Acidification Program (OAP), Ocean Carbon and Acidification Data System (OCADS) Project, Papa, SEAK, SOFS, SSS, SST_C, South Pacific Ocean, Stratus, TAO110W, TAO125W, TAO140W, TAO155W, TAO165E, TAO170W, TAO8S165E, Time series, Twanoh, US DOC; NOAA; OAR; Pacific Marine Environmental Laboratory, WHOTS, chemical, moorings, pCO2_air, pCO2_sw, surface measurements, time series, xCO2_air] fr: [0173932 (FR), Ala Wai (FR), BOBOA (FR), BTM (FR), CCE1 (FR), CCE2 (FR), CO2 ANALYZERS > CO2 ANALYZERS (FR), CRIMP1 (FR), CRIMP2 (FR), Cape Elizabeth (FR), Caribbean Sea (FR), Cheeca Rocks (FR), Chuuk (FR), Chá bă (LaPush) (FR), Coastal MS (FR), Crescent Reef (FR), 'DOC/NOAA/OAR/PMEL > Pacific Marine Environmental Laboratory, OAR, NOAA, U.S. Department of Commerce (FR)', Dabob (FR), GAKOA (FR), Global CO2 Time-series and Moorings Project (CDIAC) (FR), Gray's Reef (FR), Gulf of Maine (FR), Hog Reef (FR), Iceland (FR), Indian Ocean (FR), JKEO (FR), KEO (FR), Kaneohe (FR), Kilo Nalu (FR), Kodiak (FR), La Parguera (FR), M2 (FR), MOORINGS (FR), Mooring (FR), Moorings (FR), NH-10 (FR), North Atlantic Ocean (FR), North Pacific Ocean (FR), OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN (FR), OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > CARIBBEAN SEA (FR), OCEAN > INDIAN OCEAN (FR), OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN (FR), OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN (FR), Ocean Acidification Program (OAP) (FR), Ocean Carbon and Acidification Data System (OCADS) Project (FR), Papa (FR), SEAK (FR), SOFS (FR), SSS (FR), SST_C (FR), South Pacific Ocean (FR), Stratus (FR), TAO110W (FR), TAO125W (FR), TAO140W (FR), TAO155W (FR), TAO165E (FR), TAO170W (FR), TAO8S165E (FR), Time series (FR), Twanoh (FR), US DOC; NOAA; OAR; Pacific Marine Environmental Laboratory (FR), WHOTS (FR), chemical (FR), moorings (FR), pCO2_air (FR), pCO2_sw (FR), surface measurements (FR), time series (FR), xCO2_air (FR)] eov: en: [EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE, High-Resolution Ocean and Atmosphere pCO2 Time-Series Measurements, carbon dioxide (CO2) gas analyzer, oceanography, pH_sw, partial pressure of carbon dioxide - water, physical] fr: [EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE (FR), High-Resolution Ocean and Atmosphere pCO2 Time-Series Measurements (FR), carbon dioxide (CO2) gas analyzer (FR), oceanography (FR), pH_sw (FR), partial pressure of carbon dioxide - water (FR), physical (FR)] project: en: [project_a, project_b] fr: [project_a in french, project_b in french] status: onGoing temporal_begin: '1950-07-31' temporal_duration: P1D temporal_end: '2025-04-16' time_coverage_resolution: P1D title: en: Autonomous seawater partial pressure of carbon dioxide (pCO2) and pH time series from 40 surface buoys between 2004 and 2017 (NCEI Accession 0173932) fr: Autonomous seawater partial pressure of carbon dioxide (pCO2) and pH time series from 40 surface buoys between 2004 and 2017 (NCEI Accession 0173932) (FR) translations: fr: {message: Auto-translated using AWS, validated: false} instruments: - description: {en: null, fr: null} id: null manufacturer: null type: {en: null, fr: null} version: null metadata: comment: auto-generated comment dates: {creation: '2024-01-01'} history: - scope: model statement: en: null fr: None (FR) translations: fr: {message: text translated using the Amazon translate service / texte traduit à l'aide du service de traduction Amazon, verified: false} - scope: model statement: en: null fr: None (FR) translations: fr: {message: text translated using the Amazon translate service / texte traduit à l'aide du service de traduction Amazon, verified: false} identifier: gov.noaa.nodc:0173932 language: en maintenance_note: auto-generated naming_authority: ca.cioos scope: model use_constraints: licence: {code: CC-BY-4.0, title: Creative Commons Attribution 4.0, url: 'https://creativecommons.org/licenses/by/4.0/'} limitations: en: limitations in english fr: limitations in french translations: fr: {message: Auto-translated using AWS, validated: false} spatial: bbox: [-180.0, -46.0, 180.0, 68.0] description: description of the spatial extent or study area of the dataset descriptionIdentifier: A2345-FS323-DG434-345DG vertical: [0, 10] vertical_positive: down