Found 1547 datasets matching "isotope".
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Surface water samples were collected in the field by staff from the California Department of Water Resources and the U.S. Bureau of Reclamation at approximately 40 site locations once per month...
Search relevance: 92.98 | Views last month: 0 -
Nitrate concentration and stable isotope data from lysimeters in a vadose zone leaching study. Lysimeters were installed at 0.8, 1.5 and 3 m depth within the soil. In addition, stable water...
Search relevance: 91.91 | Views last month: 0 -
Stable isotope data of fauna, particulate organic matter, and rocks collected during the 2018 research cruise aboard the NOAA Ship Bell M. Shimada that examined benthic communities off the western...
Search relevance: 88.84 | Views last month: 1 -
Water stable isotope data measured on water chemistry samples collected as part of the National Aquatic Resource Surveys (NARS). One file is for the National Rivers and Streams Assessment (NRSA),...
Search relevance: 88.76 | Views last month: 6 -
An international project developed, quality-tested, and measured isotope−delta values of 10 new food matrix reference materials (RMs) for hydrogen, carbon, nitrogen, oxygen, and sulfur stable...
Search relevance: 86.83 | Views last month: 0 -
This dataset contains isotope results of stable isotope (δ13C and δ15N) and radicoarbon (F14C) analyses of muscle tissue from fish collected in the nearshore Beaufort Sea, Alaska in summers 2017-2019.
Search relevance: 85.73 | Views last month: 0 -
This dataset contains information collected by the Fowl River Marsh Health and Recovery Study: Stable isotope and anthropogenic influences component. Records include nitrogen (N) and carbon (C)...
Search relevance: 85.72 | Views last month: 0 -
Bat guano is an emergent paleoenvironmental archive and isotopic compositions of bat guano have been tied to climate, vegetation, and trophic processing in isolated studies. However, a...
Search relevance: 84.51 | Views last month: 0 -
Strontium isotope ratios of lavas from Hawaiʻi were analyzed by thermal ionization mass spectrometry (TIMS) at the Southwest Isotope Research Laboratories of the U.S. Geological Survey (USGS) in...
Search relevance: 84.16 | Views last month: 0 -
These data are carbon and nitrogen content and stable isotope measurements of sediments from a lagoon in the Baja California Peninsula. The %N column gives the percent nitrogen, the delta-15-NAir...
Search relevance: 83.88 | Views last month: 0 -
This dataset includes stable hydrogen isotope values of the nonexchangeable hydrogen contained in the outer most secondary feathers of dark-eyed juncos (Junco hyemalis thurberi) collected from the...
Search relevance: 83.53 | Views last month: 0 -
In order to understand the provenance of lead in the surface water, groundwater, soils, and shallow pore water within and near the Middleton Municipal Airport–Morey Field (C29) in Middleton, WI, a...
Search relevance: 83.02 | Views last month: 0 -
This dataset includes stable carbon and nitrogen isotope values for the tissues and parasites of California sea lions and ice seals from California and Alaska coastal waters necropsied and...
Search relevance: 82.86 | Views last month: 0 -
This dataset includes stable carbon and nitrogen isotope values for the inner tail retrices of three subspecies of barn swallow (Hirundo rustica rustica, H. r. tytleri, and H. r. gutturalis). ...
Search relevance: 82.11 | Views last month: 0 -
This data release includes results of raw water, soil, seston, and fish tissue samples collected from lakes in southwestern Alaska between 2011 and 2016. Specifically, these data include total...
Search relevance: 81.23 | Views last month: 1 -
Stable hydrogen (H), oxygen (O), and sulfur (S) isotope data were collected from the Elizabeth copper mine Superfund site, South Strafford, Vermont. Sample media include surface water (H and O),...
Search relevance: 81.18 | Views last month: 2 -
These data represent sulfur isotope analyses of chalcopyrite from a base metal deposit in the Aliabad-Khanchy area in northwestern Iran. Rock samples were collected from outcrops, and chalcopyrite...
Search relevance: 80.58 | Views last month: 2 -
This dataset accompanies publication “Lead isotopes in New England (USA) volcanogenic massive sulfide deposits: implications for metal sources and pre-accretionary tectonostratigraphic terranes”,...
Search relevance: 79.16 | Views last month: 0 -
This release is for data on Zinc concentrations and isotopic signatures of an aquatic insect (mayfly, Baetis tricaudatus). Mayflies were exposed to an aqueous zinc concentration gradient in a...
Search relevance: 76.89 | Views last month: 1 -
This Microsoft Excel workbook (168.259 Mb) calculates Critical Ratios for triacylglycerols based on manually entered mass spectra, with isotope correction by isotope patterns calculated at...
Search relevance: 76.26 | Views last month: 0
