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Global subsurface ocean acidification indicators at depth levels of 50, 100, and 200 meters from 1750-01-01 to 2100-12-31 (NCEI Accession 0287573)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 04:37 AM | Dataset Last Updated: April 25, 2025 at 12:00 AM
This data package contains 10 global subsurface ocean acidification (OA) indicators at standardized depth levels of 50, 100, and 200 meters. The indicators include fugacity of carbon dioxide, pH on the total scale, total hydrogen ion content, free hydrogen ion content, carbonate ion content, aragonite saturation state, calcite saturation state, Revelle Factor, total dissolved inorganic carbon content, and total alkalinity content. They are presented on a global ocean grid of 1° × 1°, as decadal averages spanning from preindustrial conditions (1750) through historical conditions (1850–2010) and projected into five future scenarios defined by Shared Socioeconomic Pathways (SSP1-2.6, SSP2-4.5, SSP3-7.0, and SSP5-8.5) from 2020 to 2100. These OA indicators were generated by following the same approach as described by Jiang et al. (2023) (https://doi.org/10.1029/2022MS003563), and utilized data from 14 Earth System Models (ESMs) from the Coupled Model Intercomparison Project Phase 6 (CMIP6), as well as a gridded data product provided by Lauvset et al. (2016) (https://doi.org/10.5194/essd-8-325-2016). The median and standard deviation values stored as Excel files in the "Median_Std_subsurface" folder were area-averaged values under the IPCC business-as-usual Scenario, i.e., SSP5-8.5.

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  • Project Metadata

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  • NCEI Dataset Landing Page

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  • Descriptive Information

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  • FTP

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  • https://doi.org/10.1029/2022ms003563

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  • https://doi.org/10.5194/essd-8-325-2016

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  • https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0259391.html

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  • https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system

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  • GCMD Keyword Forum Page

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0287573 ARAGONITE SATURATION STATE CALCITE CONCENTRATION CARBON - CARBONATE DISSOLVED INORGANIC CARBON (DIC) partial pressure of carbon dioxide - water pH SALINITY

Complete Metadata
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describedByType application/octet-steam
description This data package contains 10 global subsurface ocean acidification (OA) indicators at standardized depth levels of 50, 100, and 200 meters. The indicators include fugacity of carbon dioxide, pH on the total scale, total hydrogen ion content, free hydrogen ion content, carbonate ion content, aragonite saturation state, calcite saturation state, Revelle Factor, total dissolved inorganic carbon content, and total alkalinity content. They are presented on a global ocean grid of 1° × 1°, as decadal averages spanning from preindustrial conditions (1750) through historical conditions (1850–2010) and projected into five future scenarios defined by Shared Socioeconomic Pathways (SSP1-2.6, SSP2-4.5, SSP3-7.0, and SSP5-8.5) from 2020 to 2100. These OA indicators were generated by following the same approach as described by Jiang et al. (2023) (https://doi.org/10.1029/2022MS003563), and utilized data from 14 Earth System Models (ESMs) from the Coupled Model Intercomparison Project Phase 6 (CMIP6), as well as a gridded data product provided by Lauvset et al. (2016) (https://doi.org/10.5194/essd-8-325-2016). The median and standard deviation values stored as Excel files in the "Median_Std_subsurface" folder were area-averaged values under the IPCC business-as-usual Scenario, i.e., SSP5-8.5.
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0287573.xml
issued 2024-01-25T00:00:00.000+00:00
keyword 
[
  "0287573",
  "ARAGONITE SATURATION STATE",
  "CALCITE CONCENTRATION",
  "CARBON - CARBONATE",
  "DISSOLVED INORGANIC CARBON (DIC)",
  "partial pressure of carbon dioxide - water",
  "pH",
  "SALINITY",
  "total alkalinity",
  "WATER TEMPERATURE",
  "carbon dioxide (CO2) gas analyzer",
  "chemical",
  "model output",
  "physical",
  "VARIOUS CHARTERED VESSELS",
  "University of Maryland, College Park",
  "University of Maryland, College Park",
  "Ocean Carbon and Acidification Data System (OCADS)",
  "US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP)",
  "World-Wide Distribution",
  "oceanography",
  "Ocean Acidification Program (OAP)",
  "Ocean Carbon and Acidification Data System (OCADS) Project",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBONATE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH",
  "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE",
  "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY",
  "Model output",
  "ARAG",
  "CALC",
  "CO3",
  "DIC",
  "Hfree",
  "Htotal",
  "RF",
  "S",
  "T",
  "TA",
  "pCO2",
  "pHT",
  "CO2 ANALYZERS > CO2 ANALYZERS",
  "GEOGRAPHIC REGION > GLOBAL OCEAN",
  "Global subsurface ocean"
]
landingPage https://www.ncei.noaa.gov/contact
language 
[]
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2025-04-25T00:00:00.000+00:00
publisher 
{
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
}
references 
[
  "https://doi.org/10.1029/2022ms003563",
  "https://doi.org/10.5194/essd-8-325-2016",
  "https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0259391.html",
  "https://www.ncei.noaa.gov/products/ocean-carbon-acidification-data-system",
  "https://www.ncei.noaa.gov/data/oceans/ncei/ocads/metadata/0270962.html"
]
rights otherRestrictions
spatial 19.5,-89.5,20.5,89.5
temporal 1750-01-01T00:00:00+00:00/2100-12-31T00:00:00+00:00
theme 
[
  "geospatial"
]
title Global subsurface ocean acidification indicators at depth levels of 50, 100, and 200 meters from 1750-01-01 to 2100-12-31 (NCEI Accession 0287573)

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