Found 13 datasets matching filters.
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This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-to-date. The Atomic...
Search relevance: 1.00 | Views last month: 14 | Published on: 2025-08-02 -
This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 8000 references, dating from 1914 through current year and is updated regularly in intervals...
Search relevance: 1.00 | Views last month: 7 | Published on: 2025-08-02 -
References contained in this database are from Bibliography on Atomic Energy Levels and Spectra, NBS Special Publication 363 and Supplements, as well as current references since the last published...
Search relevance: 1.00 | Views last month: 5 | Published on: 2025-08-02 -
Categorical classification of groundwater age based on concentrations of tritium (3H) in groundwater can provide useful information for the assessment and understanding of groundwater resources....
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
The Mississippi River Valley alluvial aquifer (MRVA) overlies and is bounded by several regional aquifers that make up the Mississippi embayment aquifer system (MEAS) in the central United States....
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This data release documents three Microsoft Excel tables (and corresponding comma separated data files) that contain estimates of tritium in precipitation data for the continental United States....
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This data release contains tracer data and estimated age distributions of groundwater samples collected as part of a water availability study for the Mississippi alluvial plain (MAP). The MAP is...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This data release documents three Microsoft Excel tables that contain estimates of tritium in precipitation data for the continental United States. Table 1 contains estimates of tritium in...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This dataset includes discrete profile data collected during the R/V Melville GEOSECS_LEG3 cruise (EXPOCODE 318M19771204) in the Mediterranean Sea from 1977-12-04 to 1977-12-09. These data include...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-28 -
This dataset consists of global oceanic database of tritium and helium isotope measurements made by numerous researchers and laboratories over a period exceeding 60 years: from 1952-10-21 to...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-28 -
Continuous monitoring and discrete water-quality sampling were coupled in a karst aquifer to assess drivers and timescales of water-quality change. Water-quality data included environmental...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 6000 references, dating from 1889 through current year and is updated regularly in intervals...
Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-02 -
This dataset consists of measurements of dissolved organic matter (DOM) and other chemical and hydrographic parameters obtained during the global ocean observations from 1994-01-01 to 2021-05-29....
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-28
