Catalog - Data.gov

Found 7284 datasets matching "physical-chemical properties".

Federal
Physical and chemical properties of San Francisco Bay waters, 1969-1976 (NCEI Accession 8400194)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-04-08T00:00:00.000+00:00
One magnetic tape containing the physical and chemical properties of San Francisco Bay waters was forwarded to NODC by Mr. Richard Smith of the U.S Geological Survey (USGS), Water Resources...
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Search relevance: 141.99 | Views last month: 0
Federal
Selected Chemical and Physical Properties and Inorganic Constituents and Time-Series Nitrate in Samples from selected wells and/or springs, Petaluma Valley watershed, Sonoma County, California, 1959-2015
- Organization: Department of the Interior
- Updated: 2022-01-24T00:00:00Z
This data release contains appendix C1 and appendix C2 for the USGS Scientific Investigations Report (SIR) titled Hydrologic and Geochemical Characterization of the Petaluma River Watershed,...
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Search relevance: 114.02 | Views last month: 0
Federal
SAFARI 2000 Physical and Chemical Properties of Aerosols, Dry Season 2000
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
The Southern African Regional Science Initiative 2000 (SAFARI 2000) provided an opportunity to study aerosol particles produced by savanna burning. We used analytical transmission electron...
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Search relevance: 111.33 | Views last month: 0
Federal
Pacific Sulfur-Stratus Investigation (PSI): Physical and chemical properties of atmospheric marine aerosols aboard NOAA R/V Discoverer off the coast of Washington state, 1991-04-16 to 1991-05-01 (NCEI Accession 0311260)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-08T00:00:00.000+00:00
This dataset contains physical and chemical properties of atmospheric marine aerosols from aboard NOAA R/V Discoverer, collected 16 April to 01 May 1991 during the PSI field campaign. The data is...
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Search relevance: 108.83 | Views last month: 0
Federal
Combined Sensor Program (CSP): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Discoverer in the central and tropical western Pacific, 1996-03-15 to 1996-04-12 (NCEI Accession 0311408)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-13T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard NOAA R/V Discoverer, collected 15 March to 12 April 1996 during the CSP field...
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Search relevance: 107.72 | Views last month: 0
Federal
NAURU-99 Field Campaign: Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the southwestern Pacific, 1999-06-14 to 1999-07-16 (NCEI Accession 0311261)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-09T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard NOAA R/V Ronald H. Brown, collected 14 June to 16 July 1999 during the NAURU-99 field...
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Search relevance: 104.82 | Views last month: 0
Federal
Marine Aerosol and Gas Exchange (MAGE-92) Field Campaign: Physical and chemical properties of atmospheric marine aerosols aboard NOAA R/V John Vickers in the tropical Pacific, 1992-02-21 to 1992-03-23 (NCEI Accession 0310736)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-06T00:00:00.000+00:00
This dataset contains physical and chemical properties of atmospheric marine aerosols from aboard NOAA R/V John Vickers, collected 21 February to 23 March 1992 during the MAGE-92 field...
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Search relevance: 103.56 | Views last month: 0
Federal
Sonde data to characterize physical and chemical properties of the Cenote Bang, a component of the Ox Bel Ha cave network within the subterranean estuary coastal aquifer of the Yucatan Peninsula, from December 2013 to January 2016
- Organization: Department of the Interior
- Updated: 2020-08-07T00:00:00Z
Subterranean estuaries extend inland into density-stratified coastal carbonate aquifers that contain a surprising diversity of endemic animals (mostly crustaceans) within a highly oligotrophic...
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Search relevance: 103.26 | Views last month: 0
Federal
The second Aerosol Characterization Experiment (ACE-2): Physical, optical, and chemical properties of atmospheric marine aerosols aboard IBSS R/V Vodyanitskiy in the subtropical northeast Atlantic, 1997-06-19 to 1997-07-23 (NCEI Accession 0311148)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-31T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard IBSS R/V Vodyanitskiy, collected 19 June to 23 July 1997 during the ACE-2 field...
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Search relevance: 102.74 | Views last month: 0
Federal
North Atlantic Aerosols and Marine Ecosystems Study (NAAMES): Physical, optical, and chemical properties of atmospheric marine aerosols aboard WHOI R/V Atlantis in the western subarctic North Atlantic, 2015 to 2018 (NCEI Accession 0310822)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-19T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from four different cruises aboard WHO R/V Atlantis as part of the NAAMES project. The dates of the...
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Search relevance: 102.52 | Views last month: 0
Federal
Aerosol Characterization Experiment (ACE-1): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Discoverer in the southern hemisphere, 1995-10-13 to 1995-12-13 (NCEI Accession 0311430)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-08T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard NOAA R/V Discoverer, collected 13 October to 13 December 1995 during the ACE-1 field...
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Search relevance: 102.35 | Views last month: 0
Federal
Dynamics of the Madden-Julian Oscillation (DYNAMO) Field Campaign: Physical, optical, and chemical properties of atmospheric marine aerosols aboard SIO R/V Roger Revelle in the equatorial Indian ocean, 2011-10-01 to 2011-12-07 (NCEI Accession 0310825)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-07T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from SIO R/V Roger Revelle, collected 01 October to 07 December 2011 during the DYNAMO field...
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Search relevance: 98.66 | Views last month: 0
Federal
Atlantic Tradewind Ocean-Atmosphere Mesoscale Interaction Campaign (ATOMIC): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the tropical North Atlantic, 2020-01-07 to 2020-02-11 (NCEI Accession 0311369)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-08T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard NOAA R/V Ronald H. Brown, collected 07 January to 11 February 2020 during the ATOMIC...
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Search relevance: 98.09 | Views last month: 0
Federal
Asian Pacific Regional Aerosol Characterization Experiment (ACE-Asia): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the western Pacific, 2001-03-15 to 2001-04-20 (NCEI Accession 0311457)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-13T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard NOAA R/V Ronald H. Brown, collected 15 March to 20 April 2001 during the ACE-Asia field...
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Search relevance: 96.86 | Views last month: 0
Federal
Texas Air Quality - Gulf of Mexico Atmospheric Composition and Climate Study (TexAQS/GoMACCS): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the Gulf of America, 2006-07-27 to 2006-09-12 (NCEI Accession 0310784)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-18T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown, collected 27 July to 12 September 2006 as part of the...
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Search relevance: 95.28 | Views last month: 0
Federal
California Research at the Nexus of Air Quality and Climate Change (CalNex) Field Campaign: Physical, optical, and chemical properties of atmospheric marine aerosols aboard WHOI R/V Atlantis along the California coast, 2010-05-14 to 2010-06-09 (NCEI Accession 0310783)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-19T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard WHOI R/V Atlantis, collected 14 May to 09 June 2010 during the CalNex field...
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Search relevance: 95.12 | Views last month: 0
Federal
VAMOS Ocean-Cloud-Atmosphere-Land Study - Regional Experiment (VOCALS-REx): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the tropical eastern Pacific, 2008-10-20 to 2008-12-01 (NCEI Accession 0310622)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-16T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from NOAA Ship Ronald H. Brown, collected 20 October to 01 December 2008 during the VOCALs field...
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Search relevance: 94.50 | Views last month: 0
Federal
International Chemistry Experiment in the Arctic Lower Troposphere (ICEALOT): Physical, optical, and chemical properties of atmospheric marine aerosols aboard WHOI R/V Knorr in Arctic ice-free regions of the Greenland, Norwegian, and Barents seas, 2008-03-19 to 2009-04-24 (NCEI Accession 0310737)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-19T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from aboard WHOI R/V Knorr, collected 19 March to 24 April 2008 during the ICEALOT field...
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Search relevance: 93.28 | Views last month: 0
Federal
Radiatively Important Trace Species (RITS) Field Campaign: Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Surveyor in the central Pacific, 1993-03-20 to 1993-05-08 and 1993-11-21 to 1994-01-08 (NCEI Accession 0310738)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-13T00:00:00.000+00:00
This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from two different cruises aboard NOAA R/V Surveyor as part of the RITS project. The first cruise...
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Search relevance: 93.02 | Views last month: 0
Federal
NaKnowBase-SQL backend-080121
- Organization: U.S. Environmental Protection Agency
- Updated: 2020-10-05
Engineered nanomaterials (generally defined as being 1-100 nm is size) take on unique activities due to their small size, reactivity, and high surface area to mass ratio. While these properties...
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Search relevance: 88.97 | Views last month: 2

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