Search Data.gov
Found 105 dataset(s) matching "nitrogen isotope ratio".
-
Values are computed for the dilute-gas diffusivity of water isotopologues in N2, CO2, and their mixture at a composition representing the atmosphere of Mars, for standard conditions of 101.325 kPa...
-
Values are computed for the dilute-gas diffusivity of water isotopologues in N2, O2, and their mixture at a composition representing air, for standard conditions of 101.325 kPa and water mole...
-
A series of Natural Resource Damage Assessment (NRDA) cruises were conducted in 2010 and 2011 to evaluate the distribution and densities of ichthyoplankton and other zooplankton in Gulf of Mexico...
-
This dataset contains physical, chemical, and biological data collected during research cruises for the Chukchi Sea Offshore Monitoring in Drilling Area (Chemical and Benthos) (COMIDA CAB)...
-
This dataset contains physical, chemical, and biological data collected during research cruises for the Hanna Shoal Ecosystem Study. The study occurred at 138 stations in the Hanna Shoal area of...
-
This dataset provides O2/N2, CO2, Ar/N2, and stable isotope ratios of CO2 measured in flasks collected by the Medusa Whole Air Sampler during airborne campaigns conducted by NASA's Atmospheric...
-
<p>Phenotypic evaluation of 37 crimson clover (<em>Trifolium incarnatum</em> L.) accessions from the US National Plant Germplasm System. Focus of the trial was on traits important for cover crop...
-
This dataset is a compilation of multiple studies over different periods and in many environments as described below. These data were collected to measure temporal fluctuations in plant isotopic...
-
Assessment of biogeochemical processes and transformations at the aquifer-estuary interface and measurement of the chemical flux from submarine groundwater discharge (SGD) zones to coastal water...
-
Seagrass biomass, percent N, percent phosphorus, isotope ratios, and NPI calculations, sediment nutrient data, water column nutrient data.
-
This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the Columbia Plateau aquifer system. Results of...
-
Dissolved Gas and Tracer Concentrations for the High Plains Aquifer, Vertical Flowpath Study Network
This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the High Plains aquifer system. Results of...
-
This dataset contains physical, chemical, and biological data collected during research cruises for the Arctic Nearshore Impact Monitoring in Development Area (ANIMIDA) III Study. The study...
-
This data set contains water quality data collected in an area important to shellfish aquaculture. The data collected are parameters such as fecal coliforms (fc), nutrients, and stable isotope...
-
238U/206Pb SHRIMP, 40Ar/39Ar geochronologic, and geochemical data from the Central Virginia Piedmont
The Central Virginia Seismic Zone (CVSZ) is an area of historically increased earthquake activity that is of particular importance due to its proximity to many well-populated regions in the...
-
This data set contains water temperature, salinity, and others taken by CTD and water samples from the R/V Araon in Aug. 2023 in Bering - Chukchi Sea area. The expedition was a part of an ongoing...
-
This dataset consists of stable isotope data from turtlegrass-dominated seagrass beds of the northern Gulf of America (formally the Gulf of Mexico), including Lower Laguna Madre, TX; Coastal Bend,...
-
Water and gas chemistry data from: Mariner, R.H. and Willey, L.M., 1976. Geochemistry of thermal waters in Long Valley, Mono County, California. Journal of Geophysical Research, 81(5), pp.792-800,...
-
Water and gas chemistry data from: Mariner, R.H., Presser, T.S. and Evans, W.C., 1976. Chemical characteristics of the major thermal springs of Montana. U.S. Geological Survey Open-File Report...
