Catalog - Data.gov

#1 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
Dataset Last Updated: December 19, 2025 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 27, 2026 at 09:42 PM

#2 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
Dataset Last Updated: December 19, 2025 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 27, 2026 at 09:42 PM

#3 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
Dataset Last Updated: January 09, 2026 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 27, 2026 at 09:42 PM

#4 Federal

Western Atlantic Climate Study (WACS): Physical, optical, and chemical properties of atmospheric marine aerosols in Georges Bank and the Sargasso Sea aboard NOAA R/V Ronald H. Brown (2012-08-19 to 2012-08-28) and WHOI R/V Knorr (2014-05-20 to 2014-06-06) (NCEI Accession 0310824)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 06, 2026 at 12:00 AM

This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from two different cruises as part of the WACS project. The first cruise (WACS) was aboard NOAA R/V...

Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 27, 2026 at 09:42 PM

#5 Federal

High-Pressure and High-Temperature (HPHT) Lost Circulation Material (LCM) Testing

Organization: Department of Energy
Dataset Last Updated: June 22, 2023 at 09:49 PM

High-pressure and high-temperature (HPHT) lost circulation material (LCM) rheology test results, LCM particle size distributions (PSD) analysis, and HPHT LCM fluid loss test results. Three...

Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 03, 2026 at 01:01 AM

#6 Federal

Summary of soil field-saturated hydraulic conductivity, hydrophobicity, preferential-flow, and particle-size measurements collected at four study sites on the island of Maui, Hawaii, September 2017–August 2018

Organization: Department of the Interior
Dataset Last Updated: August 27, 2020 at 12:00 AM

The U.S. Geological Survey and the University of Hawaii at Manoa, in cooperation with the County of Maui Department of Water Supply and the State of Hawaii Commission on Water Resource Management,...

XML
XML

Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:21 AM

#7 Federal

Particle size distributions for tephra from the 2008 opening of Halemaʻumaʻu crater, Kīlauea Volcano, Hawaiʻi

Organization: Department of the Interior
Dataset Last Updated: July 08, 2024 at 12:00 AM

This data release contains geochemical data for volcanic tephra from Kīlauea Volcano, Hawaiʻi, sampled between March 19 and April 16, 2008.

XML
XML

Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:46 AM

#8 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
Dataset Last Updated: December 19, 2025 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 27, 2026 at 09:42 PM

#9 Federal

Karna Particle Size Dataset for Tables and Figures

Organization: U.S. Environmental Protection Agency
Dataset Last Updated: March 06, 2017

This dataset contains 1) table of bulk Pb-XAS LCF results, 2) table of bulk As-XAS LCF results, 3) figure data of particle size distribution, and 4) figure data for the relationship of As and Pb...

DOCX

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 12:42 AM

#10 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
Dataset Last Updated: January 13, 2026 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 27, 2026 at 09:42 PM

#11 Federal

Indian Ocean Experiment (INDOEX): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the Atlantic and Indian Oceans, 1999-01-14 to 1999-03-31 (NCEI Accession 0312108)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: February 03, 2026 at 12:00 AM

This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown, collected 14 January to 31 March 1999 as part of the INDOEX field...

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 27, 2026 at 09:44 PM

#12 Federal

Summary of soil field-saturated hydraulic conductivity, hydrophobicity, and preferential-flow measurements and soil laboratory-testing results collected at three sites on the islands of Maui and Hawaii, Hawaii, July 2016–January 2018

Organization: Department of the Interior
Dataset Last Updated: August 27, 2020 at 12:00 AM

This data release contains soil-properties for one site (Nakula) on the Island of Maui and two sites (Nahuku and Lapahoehoe) on the Island of Hawaii. Maps showing the site locations are included...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:13 AM

#13 Federal

Data for generation of all Tables and Figures for CTEP publication in 2015 pertaining to large-scale diesel gensets tested

Organization: U.S. Environmental Protection Agency
Dataset Last Updated: September 05, 2013

particulate and gaseous emissions and particle optical properties for emissions from large-scale diesel gensets with and without aftermarket PM controls. This dataset is associated with the...

XLSX

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 12:40 AM

#14 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
Dataset Last Updated: January 08, 2026 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 27, 2026 at 09:42 PM

#15 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
Dataset Last Updated: January 08, 2026 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 27, 2026 at 09:43 PM

#16 Federal

Detection and Quantification of Silver Nanoparticles at Environmentally Relevant Concentrations Using Asymmetric Flow Field−Flow Fractionation Online with Single Particle Inductively Coupled Plasma Mass Spectrometry

Organization: U.S. Environmental Protection Agency
Dataset Last Updated: April 11, 2016

The presence of silver nanoparticles (AgNPs) in aquatic environments could potentially cause adverse impacts on ecosystems and human health. However, current understanding of the environmental...

PDF

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 12:41 AM

#17 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
Dataset Last Updated: January 13, 2026 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 27, 2026 at 09:43 PM

#18 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
Dataset Last Updated: January 13, 2026 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 27, 2026 at 09:43 PM

#19 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
Dataset Last Updated: December 16, 2025 at 12:00 AM

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...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 27, 2026 at 09:42 PM

#20 Federal

New England Air Quality Study (NEAQS): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the Gulf of Maine and the northwest Atlantic, 2002-07-12 to 2002-08-10 and 2004-07-05 to 2004-08-13 (NCEI Accession 0311433)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 13, 2026 at 12:00 AM

This dataset contains physical, optical, and chemical properties of atmospheric marine aerosols from two different cruises aboard NOAA R/V Ronald H. Brown as part of the NEAQS project. The first...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 27, 2026 at 09:43 PM

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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)

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)

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)

Western Atlantic Climate Study (WACS): Physical, optical, and chemical properties of atmospheric marine aerosols in Georges Bank and the Sargasso Sea aboard NOAA R/V Ronald H. Brown (2012-08-19 to 2012-08-28) and WHOI R/V Knorr (2014-05-20 to 2014-06-06) (NCEI Accession 0310824)

High-Pressure and High-Temperature (HPHT) Lost Circulation Material (LCM) Testing

Summary of soil field-saturated hydraulic conductivity, hydrophobicity, preferential-flow, and particle-size measurements collected at four study sites on the island of Maui, Hawaii, September 2017–August 2018

Particle size distributions for tephra from the 2008 opening of Halemaʻumaʻu crater, Kīlauea Volcano, Hawaiʻi

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)

Karna Particle Size Dataset for Tables and Figures

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)

Indian Ocean Experiment (INDOEX): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the Atlantic and Indian Oceans, 1999-01-14 to 1999-03-31 (NCEI Accession 0312108)

Summary of soil field-saturated hydraulic conductivity, hydrophobicity, and preferential-flow measurements and soil laboratory-testing results collected at three sites on the islands of Maui and Hawaii, Hawaii, July 2016–January 2018

Data for generation of all Tables and Figures for CTEP publication in 2015 pertaining to large-scale diesel gensets tested

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)

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)

Detection and Quantification of Silver Nanoparticles at Environmentally Relevant Concentrations Using Asymmetric Flow Field−Flow Fractionation Online with Single Particle Inductively Coupled Plasma Mass Spectrometry

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)

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)

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)

New England Air Quality Study (NEAQS): Physical, optical, and chemical properties of atmospheric marine aerosols aboard NOAA R/V Ronald H. Brown in the Gulf of Maine and the northwest Atlantic, 2002-07-12 to 2002-08-10 and 2004-07-05 to 2004-08-13 (NCEI Accession 0311433)