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Federal
NIST Handbook of Basic Atomic Spectroscopic Data - SRD 108
National Institute of Standards and Technology —
This handbook provides a selection of the most important and frequently used atomic spectroscopic data in an easily accessible format. The compilation includes energy... -
Federal
Mineral Commodity Summaries 2025 - HELIUM Data Release
Department of the Interior —
This data release contains the U.S. salient statistics and world production data extracted from the HELIUM data sheet of the USGS Mineral Commodity Summaries 2025. -
Federal
NIST Atomic Spectra Database - SRD 78
National Institute of Standards and Technology —
This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are... -
Federal
NIST Atomic Energy Levels and Spectra Bibliographic Database
National Institute of Standards and Technology —
References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current... -
Federal
NIST Atomic Transition Probability Bibliographic Database
National Institute of Standards and Technology —
This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 8000 references, dating from 1914 through current year and is... -
Federal
Geogenic Helium Release from Rock Fracture
Department of Energy —
In this project 38 uniaxial compaction tests were conducted at Sandia National Laboratories with 7 different rock types. During these tests, we created a vacuum... -
Federal
Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from the JOHAN HJORT in the North Greenland Sea and Norwegian Sea from 1995-11-08 to 1995-11-26 (NCEI Accession 0113562)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes chemical, discrete sample, physical and profile data collected from JOHAN HJORT in the North Greenland Sea and Norwegian Sea from 1995-11-08 to... -
Federal
Chlorofluorocarbons (CFC-11, CFC-12), sulfur hexafluoride (SF6), temperature, salinity, dissolved oxygen, helium, tritium and neon collected from profile and discrete sample observations during the R/V Maria S. Merian cruise MSM43 (EXPOCODE 06M220150525) in the North Atlantic Ocean from 2015-05-25 to 2015-06-27 (NCEI Accession 0209348)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes discrete profile measurements of chlorofluorocarbons (CFC-11, CFC-12), sulfur hexafluoride (SF6), temperature, salinity, dissolved oxygen,... -
Federal
Chlorofluorocarbons, nutrients, dissolved oxygen, temperature, salinity and other measurements collected from discrete samples and profile observations during the R/V Meteor MT5/6 cruise (EXPOCODE 06MT19870818) in the Mediterranean Sea from 1987-08-18 to 1987-09-24 (NCEI Accession 0173619)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes discrete sample and profile data collected during the R/V Meteor MET5/6 cruise (EXPOCODE 06MT19870818) in the Mediterranean Sea from 1987-08-18... -
Federal
Temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from the JOHAN HJORT in the North Greenland Sea and Norwegian Sea from 1991-11-05 to 1991-11-27 (NCEI Accession 0115685)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes chemical, discrete sample, physical and profile data collected from JOHAN HJORT in the North Greenland Sea and Norwegian Sea from 1991-11-05 to... -
Federal
Mineral Commodity Summaries 2024 - HELIUM Data Release
Department of the Interior —
This data release contains the U.S. salient statistics and world production data extracted from the HELIUM data sheet of the USGS Mineral Commodity Summaries 2024. -
Federal
Play Fairway Analysis CA-NV-OR: 2km Grid Based Analysis
Department of Energy —
Combined geochemical and geophysical data, weighted and ranked for geothermal prospect favorability. -
Federal
Dissolved inorganic carbon, pH, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from the KAIYO-MARU in the North Pacific Ocean and Philippine Sea from 1996-06-17 to 1996-07-02 (NCEI Accession 0115016)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes chemical, discrete sample, physical and profile data collected from KAIYO-MARU in the North Pacific Ocean and Philippine Sea from 1996-06-17 to... -
Federal
Temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from JOHAN HJORT in the Barents Sea, North Greenland Sea and Norwegian Sea from 2000-05-27 to 2000-06-20 (NCEI Accession 0115683)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes biological, chemical, discrete sample, physical and profile data collected from JOHAN HJORT in the Barents Sea, North Greenland Sea and... -
Federal
Temperature, salinity and other variables collected from discrete sample and profile observations using CTD, Coulometer for DIC measurement and other instruments from the OCEANUS in the North Atlantic Ocean and South Atlantic Ocean from 1988-07-23 to 1988-09-01 (NCEI Accession 0117675)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes chemical, discrete sample, physical and profile data collected from OCEANUS in the North Atlantic Ocean and South Atlantic Ocean from 1988-07-23... -
Federal
Partial pressure (or fugacity) of carbon dioxide, dissolved inorganic carbon, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from the JOHAN HJORT in the North Atlantic Ocean, North Greenland Sea and Norwegian Sea from 1994-07-23 to 1994-08-16 (NCEI Accession 0113560)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes chemical, discrete sample, physical and profile data collected from JOHAN HJORT in the North Atlantic Ocean, North Greenland Sea and Norwegian... -
Federal
Dataset of Helium Concentrations in United States Wells
Department of the Interior —
This dataset provides national scale location information for known, publicly available, data on helium gas concentrations, reported in mol%. The dataset was created... -
Federal
Dissolved inorganic carbon, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, bottle and other instruments from POLARSTERN in the South Atlantic Ocean and Southern Oceans from 1998-03-28 to 1998-05-23 (NCEI Accession 0113595)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes discrete sample and profile data collected from POLARSTERN in the South Atlantic Ocean and Southern Oceans (> 60 degrees South) from... -
Federal
Dissolved inorganic carbon, alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using Alkalinity titrator, CTD and other instruments from KNORR in the Caribbean Sea and North Atlantic Ocean from 2003-09-22 to 2003-11-13 (NCEI Accession 0108060)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes chemical, discrete sample, physical and profile data collected from KNORR in the Caribbean Sea and North Atlantic Ocean from 2003-09-22 to... -
Federal
Dissolved inorganic carbon, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, Coulometer for DIC measurement and other instruments from the POLARSTERN in the South Atlantic Ocean from 1992-05-21 to 1992-08-05 (NCEI Accession 0116641)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes chemical, discrete sample, physical and profile data collected from POLARSTERN in the South Atlantic Ocean from 1992-05-21 to 1992-08-05 and...