Catalog - Data.gov

Found 2562 datasets matching "Ocean Carbon Data System (OCADS) Project".

Federal
Progression of Ocean Interior Acidification over the Industrial Era from 1800-07-01 to 2014-06-30 (NCEI Accession 0298993)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-11-14T00:00:00.000+00:00
This dataset consists of time-resolved reconstructions of ocean interior acidification from 1800 through 1994, 2004, and 2014. The basis of these reconstructions are observation-based estimates of...
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Search relevance: 56.60 | Views last month: 0
Federal
Revised estimates of ocean-atmosphere CO2 flux accounting for near-surface temperature and salinity deviations from 1985-01-01 to 2019-12-31 (NCEI Accession 0301544)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-02-05T00:00:00.000+00:00
The ocean is a sink for ~25% of the atmospheric CO2 emitted by human activities, an amount in excess of 2 petagrams of carbon per year (PgC yr−1). Time-resolved estimates of global...
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Search relevance: 56.22 | Views last month: 0
Federal
Near-global, upper 2000 m estimates of preindustrial and year 2002 ocean pH, aragonite saturation state, carbon dioxide partial pressure, hydrogen ion concentration, and Revelle factor values, and their total changes caused by anthropogenic carbon accumulation in addition to the component of the changes induced by carbonate system nonlinearities (NCEI Accession 0290073)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-03-16T00:00:00.000+00:00
This dataset consists of year 2002 and preindustrial (pi) OA metric values and their uncertainties (u), total OA metric changes (d) due to anthropogenic carbon accumulation to the year 2002 and...
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Search relevance: 56.05 | Views last month: 0
Federal
Southern Ocean monthly gridded pCO2 and air-sea CO2 flux product with boosted wintertime pCO2 coverage from 1993-01-01 to 2018-12-31 (NCEI Accession 0266978)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-10-27T00:00:00.000+00:00
This dataset contains monthly gridded pCO2 and air-sea CO2 fluxes from 1993-2018. The pCO2 data are gap-filled from the SOCAT database using the method of Landschützer (2013), but using additional...
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Search relevance: 54.46 | Views last month: 0
Federal
Reconstructed wintertime observations of Southern Ocean surface pCO2 from 2004-01-01 to 2018-12-31 (NCEI Accession 0266979)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-10-28T00:00:00.000+00:00
This dataset contains reconstructed 'pseudo' wintertime observations of surface pCO2 for the Southern Ocean south of the Antarctic Polar Front from 2004-01-01 to 2018-12-31. The pseudo...
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Search relevance: 54.33 | Views last month: 0
Federal
Hales_Kavanaugh Remote-sensing-based SOM and Carbonate-system Metamodel from 2009-01-01 to 2009-12-31 (NCEI Accession 0301441)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-02-05T00:00:00.000+00:00
The model is based on a semi-mechanistic model of total CO2 (TCO2) and alkalinity, applied within regions defined hierarchical SOM classification of monthly-resolved seascapes along the North...
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Search relevance: 52.05 | Views last month: 0
Federal
Surface discrete validation samples collected for Mooring CB06 MApCO2 (43° 18' N; 124° 32' W) time-series measurement program in the North Pacific Ocean from 2018-04-26 to 2023-03-18 (NCEI Accession 0290837)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-04-05T00:00:00.000+00:00
This dataset consists of discrete validation samples collected from surface waters opportunistically proximal to the CB06 mooring (43° 18' N; 124° 32' W) either via CTD-associated Niskin bottle,...
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Search relevance: 51.74 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH, and dissolved oxygen collected from profile, discrete sampling, and time series observations using CTD, Niskin bottle, and other instruments from R/V Gulf Challenger near a buoy off the coast of New Hampshire, U.S. in the Gulf of Maine from 2016-02-02 to 2016-12-07 (NCEI Accession 0238999)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-07-15T00:00:00.000+00:00
This dataset contains the discrete (Niskin bottle and CTD profile) data collected near the UNH/PMEL CO2 Buoy, located off the coast of New Hampshire, between 2016 and 2020. All data were...
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Search relevance: 51.52 | Views last month: 0
Federal
Sea-surface pCO2 maps for the Bay of Bengal based on advanced machine learning algorithms from 2015-01-01 to 2015-12-31 (NCEI Accession 0307627)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-09-08T00:00:00.000+00:00
The dataset contains two data products: sea-surface pCO2 and the air-sea CO2 flux for the Bay of Bengal region (Longitude: 76E-100E, Latitude: 5N-24N). This is climatological data, with 12 months...
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Search relevance: 51.36 | Views last month: 0
Federal
High-resolution pH, water temperature and conductivity continuous measurements at a depth of two meters using a buoy anchoring system at Gorgona Island, Equatorial Pacific Ocean from 2021-09-08 to 2021-11-19 (NCEI Accession 0300707)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-01-15T00:00:00.000+00:00
This dataset consists of continuous measurements of pH total scale, conductivity (mS cm⁻¹), and water temperature (°C) conducted from September 8 to November 19, 2021, at El Muelle reef, Gorgona...
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Search relevance: 51.17 | Views last month: 0
Federal
ANN-NEP: A monthly surface pCO2 product for the Northeast Pacific open ocean from 1998-01-01 to 2019-12-31 (NCEI Accession 0277836)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-05-05T00:00:00.000+00:00
ANN-NEP is a gridded surface ocean pCO2 data product for the Northeast Pacific open ocean. It was created using non-linear functional relationships between pCO2 observations from the Surface Ocean...
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Search relevance: 51.11 | Views last month: 0
Federal
The oceanic sink for anthropogenic CO2 from 1994 to 2007 - the data (NCEI Accession 0186034)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-03-08T00:00:00.000+00:00
This dataset consists of the estimated changes in the ocean content of anthropogenic CO2 (Cant) between 1994 and 2007 as described in detail in Gruber et al. [2019] (Science). These estimates have...
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Search relevance: 51.08 | Views last month: 0
Federal
Long-term changes of surface total alkalinity and its driving mechanisms in the Northern Indian Ocean from 1993-01-01 to 2020-12-31 (NCEI Accession 0307789)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-09-09T00:00:00.000+00:00
This product is a result of the use of a decision tree-based advanced machine learning algorithm (XGB) combined with an ensemble approach to predict the surface total alkalinity (TA) of the North...
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Search relevance: 51.04 | Views last month: 0
Federal
Crab sizes and life stages collected from laboratory experiment using an Nikon SMZ 745 T microscope and Infinity Analyze software from 2018-08-26 to 2019-07-11 (NCEI Accession 0300469)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-01-07T00:00:00.000+00:00
This dataset contains the sample sizes and p-values for analysis of the size of juvenile Dungeness crab reared in ambient and high CO2 analysis compares the effect of CO2 within a single...
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Search relevance: 50.95 | Views last month: 0
Federal
Synthesizing the Impacts of Ocean Acidification on Coral Reef Ecosystem Goods and Services for Future Vulnerability Assessments using an Atlantis Ecosystem Model from 2020-01-01 to 2020-12-31 (NCEI Accession 0300557)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-01-23T00:00:00.000+00:00
The files described here are the Main Hawaiian Islands (MHI) Atlantis Ecosystem model input files used in for testing CMIP6 climate scenarios developed by main Hawaiian Islands ROMS. These input...
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Search relevance: 49.97 | Views last month: 0
Federal
In-situ particle size distribution, volume concentration, and other measurements collected from profiled LISST-200X sensor throughout the Bedford Basin during the Halifax Joint Learning Opportunity from 2024-09-25 to 2025-03-11 (NCEI Accession 0304370)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-19T00:00:00.000+00:00
This dataset contains time-series profiled measurements from a LISST-200X sensor (Sequoia Scientific, Inc.) collected during an ocean alkalinity enhancement (OAE) field trial conducted by...
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Search relevance: 49.76 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity (TALk) and other data collected for the data validation and internal consistency for the Gray's Reef MAPCO2 Mooring in the South Atlantic Bight, Georgia, USA (31.400, -80.868) from 2018-07-25 to 2021-06-18 (NCEI Accession 0250709)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-04-01T00:00:00.000+00:00
This dataset contains discrete bottle sample data for total Dissolved Inorganic Carbon (DIC) and Total Alkalinity (TAlk) samples, which were collected for validation and internal consistency...
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Search relevance: 49.19 | Views last month: 0
Federal
In-situ beam attenuation, particle size distribution, and other measurements collected from moored LISST sensors in Tufts Cove during the Halifax Joint Learning Opportunity from 2024-09-25 to 2025-03-11 (NCEI Accession 0304369)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-19T00:00:00.000+00:00
This dataset contains long time-series measurements from multiple LISST sensors (Sequoia Scientific, Inc.) collected during an ocean alkalinity enhancement (OAE) field trial conducted by Planetary...
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Search relevance: 48.30 | Views last month: 0
Federal
Surface North Atlantic MOM5-TOPAZ outputs derived from a regular hindcast and a robust diagnostic simulation experiment from 1980-01-01 to 2017-12-31 (NCEI Accession 0283628)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-02-02T00:00:00.000+00:00
This dataset contains monthly surface outputs derived from a 0.25 degree resolution MOM5-TOPAZ model configuration for the North Atlantic. The outputs include results from two experiments: (i)...
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Search relevance: 47.97 | Views last month: 0
Federal
AOML_ET: Partial pressure of CO2 (pCO2) and sea-air CO2 fluxes for the global ocean, along with the predictor variables from 1998-01-01 to 2023-12-30, using an Extra Trees (extremely randomized trees) machine learning (NCEI Accession 0298989)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-11-21T00:00:00.000+00:00
This dataset contains global surface water partial pressure of CO2 data, pCO2w data, and sea-air CO2 fluxes based on the extremely randomized trees or extra trees, ET machine learning approach....
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Search relevance: 47.73 | Views last month: 0

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