Catalog - Data.gov

Found 1416 datasets matching "Surface pH".

Federal
Climatological Distributions of pH, pCO2, Total CO2, Alkalinity, and CaCO3 Saturation in the Global Surface Ocean (NCEI Accession 0164568)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-08-04T00:00:00.000+00:00
Climatological mean monthly distributions of pH in the total H+ scale, total CO2 concentration (TCO2), and the degree of CaCO3 saturation for the global surface ocean waters (excluding coastal...
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Search relevance: 105.44 | Views last month: 0
Federal
pH (on total scale) and other variables collected from surface underway observations using Durafet pH electrode and Chloride Ion Selective Electrode and other instruments from NOAA Ship Ronald H. Brown in the North Atlantic Ocean and South Atlantic Ocean from during the CLIVAR/GO-SHIP Repeat Section A13.5_2010 (EXPOCODE 33RO20100308) from 2010-03-08 to 2010-04-17 (NCEI Accession 0162231)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-05-02T00:00:00.000+00:00
This dataset consists of the surface measurements of temperature, salinity and pH on the total scale. An automated underway pH system was operated in the hydro lab of NOAA Ship Ronald H. Brown...
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Search relevance: 98.44 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, salinity, temperature, pH on total scale and chlorophyll collected from surface underway observations during the yacht 1 Degree (IMOCA 60) Race cruises in the North Atlantic Ocean from 2020-08-01 to 2020-11-05 (NCEI Accession 0225440)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-02-10T00:00:00.000+00:00
This dataset includes surface underway data collected during the yacht 1 Degree (IMOCA 60) Race cruises in the North Atlantic Ocean from 2020-08-01 to 2020-11-05. These data include partial...
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Search relevance: 94.75 | Views last month: 0
Federal
West Florida Shelf sonde (temperature, conductivity, salinity, pH) data collected from a continuous surface water flow-through system in August 2013
- Organization: Department of the Interior
- Updated: 2021-11-09T00:00:00Z
The United States Geological Survey (USGS) is studying the effects of climate change on ocean acidification within the Gulf of Mexico; dealing specifically with the effect of ocean acidification...
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Search relevance: 92.31 | Views last month: 0
Federal
Dissolved inorganic carbon, pH, temperature, salinity and other variables collected from time series and surface observations using Moored Autonomous Dissolved Inorganic Carbon (MADIC) System, Sunburst SAMI2 pH sensor, and other instruments from Kewalo Buoy near the coast of Honolulu, Hawaii from 2013-10-31 to 2014-06-15 (NCEI Accession 0132048)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-10-30T00:00:00.000+00:00
To expand the number of tools available for autonomous carbonate system observations, we have developed a robust surface ocean dissolved inorganic carbon (DIC) sensor capable of extended (>year)...
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Search relevance: 91.93 | Views last month: 0
Federal
Surface underway measurements of pH, salinity and water temperature during R/V Xue Long CHINARE2018 Expedition (EXPOCODE 76XL20180723) in the Japan Sea, Sea of Okhotsk, North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2018-07-23 to 2018-09-22 (NCEI Accession 0233453)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-05-20T00:00:00.000+00:00
This dataset includes surface underway measurements of pH, salinity and water temperature obtained during R/V Xue Long CHINARE2018 Expedition (EXPOCODE 76XL20180723) Japan Sea, Sea of Okhotsk,...
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Search relevance: 91.70 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, dissolved inorganic carbon, pH, temperature, salinity and SEA SURFACE TEMPERATURE collected from Surface underway observations using automated Multi-parameter Inorganic Carbon Analyzer (MICA) for autonomous measurement of pH, carbon dioxide (CO2) and dissolved inorganic carbon (DIC) and other instruments from THOMAS G. THOMPSON in the Gulf of Alaska, North Pacific Ocean and South Pacific Ocean from 2006-02-13 to 2006-03-30 (NCEI Accession 0157411)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-12-09T00:00:00.000+00:00
This dataset includes Surface underway, chemical and physical data collected from THOMAS G. THOMPSON in the Gulf of Alaska, North Pacific Ocean and South Pacific Ocean from 2006-02-13 to...
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Search relevance: 90.67 | Views last month: 0
Federal
Surface measurements of alkalinity, pH (on total scale), temperature and salinity from R/V Professor Gagarinsky PGB_200911 (EXPOCODE 90G220091104) in the Peter the Great Bay, Japan Sea from 2009-11-04 to 2009-11-09 (NCEI Accession 0162316)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-05-02T00:00:00.000+00:00
This dataset includes surface underway measurements of alkalinity, pH (on total scale), temperature and salinity from R/V Professor Gagarinsky PGB_200911 (EXPOCODE 90G220091104) in the Peter the...
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Search relevance: 89.51 | Views last month: 0
Federal
Global surface ocean pH, acidity, and Revelle Factor on a 1x1 degree global grid from 1770 to 2100 (NCEI Accession 0206289)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-01-14T00:00:00.000+00:00
This dataset contains spatial distribution of surface ocean pH (total hydrogen scale), acidity (or hydrogen ion activity, unit: nmol/kg, or 10^-9 mol/kg) and Revelle Factor (a measure of the...
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Search relevance: 87.07 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH on total scale and other variables collected from surface underway observations using a flow-through pump and other instruments during the cruise ship Celebrity Flora cruise (EXPOCODE: 28AQ20190515) on a cross-Atlantic transect from 2019-05-15 to 2019-06-14 (NCEI Accession 0204649)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-07-29T00:00:00.000+00:00
This dataset contains dissolved inorganic carbon, total alkalinity and pH data measured from a surface underway system in a cross-Atlantic transect during May 2019. Increasing amounts of...
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Search relevance: 86.42 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, microplastic concentration, salinity, temperature, pH on total scale and chlorophyll-a collected from surface underway observations during the Ocean Race - European Tour by team AkzoNobel with the Volvo Ocean 65 (VO65) yacht in the North Atlantic Ocean, Mediterranean Sea, Strait of Gibraltar, Baltic Sea and North Sea from 2019-05-26 to 2019-09-25 (NCEI Accession 0225437)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-02-05T00:00:00.000+00:00
This dataset includes surface underway data collected during the Ocean Race - European Tour by team AkzoNobel with the Volvo Ocean 65 (VO65) yacht in the North Atlantic Ocean, Mediterranean Sea,...
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Search relevance: 85.67 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH on total scale, nutrients, and other variables collected from surface discrete observations using Niskin bottle and other instruments during the R/V Savannah cruise SAV1803 (EXPOCODE 33H620180308) in the west coast of Florida, Gulf of Mexico from 2018-03-08 to 2018-03-13 (NCEI Accession 0189038)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-08-17T00:00:00.000+00:00
This dataset contains the surface discrete measurements of dissolved inorganic carbon, total alkalinity, pH on total scale and nutrients during the R/V Savannah cruise SAV1803 (EXPOCODE...
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Search relevance: 85.53 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH on total scale, nutrients, and other variables collected from surface discrete observations using flow-through system during R/V Selfoss Transit 846 cruise (EXPOCODE 46SL20181115) in the North Atlantic Ocean from 2018-11-15 to 2018-11-22 (NCEI Accession 0191769)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-07-28T00:00:00.000+00:00
This dataset contains the surface discrete measurements of dissolved inorganic carbon, total alkalinity, pH on total scale and nutrients in the North Atlantic Ocean in 2018. Increasing amounts of...
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Search relevance: 83.87 | Views last month: 0
Federal
Gridded surface water fugacity of CO2 observations, and calculated pH, aragonite saturation state and air–sea CO2 fluxes in the northern Caribbean Sea from 2002 through 2019 (NCEI Accession 0207749)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-08-28T00:00:00.000+00:00
This dataset contains a high-quality dataset of derived products from over a million observations of surface water partial pressure/fugacity of carbon dioxide (pCO2w/fCO2w), for the Caribbean Sea,...
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Search relevance: 83.85 | Views last month: 0
Federal
Partial pressure (or fugacity) of carbon dioxide, pH on total scale, temperature, salinity and other variables collected from surface underway observations during the container ship Cap Blanche cruises in the Pacific Ocean from 2014-02-01 to 2014-11-26 (NCEI Accession 0156923)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-01-20T00:00:00.000+00:00
This dataset consists of surface underway measurements of Partial pressure (or fugacity) of carbon dioxide (pCO2) in water and atmosphere, ISFET-based pH (total scale), temperature, salinity and...
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Search relevance: 83.62 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH, and other variables collected from surface discrete observations using spectrophotometer and other instruments from NOAA Ship Henry B. Bigelow off the Northeastern coast of the United States from 2014-09-08 to 2014-11-05 (NCEI Accession 0138983)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-06-04T00:00:00.000+00:00
This dataset contains surface measurements of dissolved inorganic, total alkalinity, pH measurements off the Northeastern coast of the United States. Increasing amounts of atmospheric carbon...
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Search relevance: 83.58 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH on total scale, nutrients, and other variables collected from surface discrete observations using Niskin bottle and other instruments during the R/V F. G. Walton Smith cruise WS19028 (EXPOCODE 33WA20190128) in the west coast of Florida, Gulf of Mexico from 2019-01-28 to 2019-02-01 (NCEI Accession 0188977)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-08-10T00:00:00.000+00:00
This dataset contains the surface discrete measurements of dissolved inorganic carbon, total alkalinity, pH on total scale and nutrients during the R/V F. G. Walton Smith cruise WS19028 (EXPOCODE...
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Search relevance: 83.47 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH on total scale, nutrients, and other variables collected from surface discrete observations using Niskin bottle and other instruments during the R/V F. G. Walton Smith cruise WS17086 (EXPOCODE 33WA20170327) in the west coast of Florida, Gulf of Mexico from 2017-03-27 to 2017-03-31 (NCEI Accession 0189291)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-08-10T00:00:00.000+00:00
This dataset contains the surface discrete measurements of dissolved inorganic carbon, total alkalinity, pH on total scale and nutrients during the R/V F. G. Walton Smith cruise WS17086 (EXPOCODE...
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Search relevance: 83.39 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH, water temperature and salinity measured from discrete surface samples, taken at the site of GraysRf_81W_31N mooring in Gray’s Reef National Marine Sanctuary, East Coast of the United States on 2024-12-19 (NCEI Accession 0306563)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-07-28T00:00:00.000+00:00
This NCEI accession consists of dissolved inorganic carbon, total alkalinity, pH, water temperature and salinity measured from discrete surface samples, taken at the site of GraysRf_81W_31N...
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Search relevance: 82.93 | Views last month: 0
Federal
Dissolved inorganic carbon, total alkalinity, pH, water temperature and salinity measured from discrete surface samples, taken at the site of GraysRf_81W_31N mooring in Gray’s Reef National Marine Sanctuary, East Coast of the United States on 2024-03-21 (NCEI Accession 0306570)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-07-30T00:00:00.000+00:00
This NCEI accession consists of dissolved inorganic carbon, total alkalinity, pH, water temperature and salinity measured from discrete surface samples, taken at the site of GraysRf_81W_31N...
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Search relevance: 82.77 | Views last month: 0

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