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Found 1174 dataset(s) matching "Isotope".
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Strontium isotope ratios of historical Kīlauea summit and rift lavas were analyzed by thermal ionization mass spectrometry (TIMS) at the Southwest Isotope Research Laboratories of the U.S....
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This data release contains three data types that could potentially be used to infer spatiotemporal variability in groundwater discharge processes, along with other research and monitoring...
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This data release includes mercury concentrations and mercury stable isotope measurements measured in sediments and biological tissues collected from the Saint Louis River located in Minnesota....
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The isotopic values of fossil snail shells can be important archives of past climate. Here we present the first carbon (δ13C) and oxygen (δ18O) isotope values of radiocarbon-dated and...
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Supplementary and data for: Experimental assessment of EAIRMS normalization methodologies for environmental stable isotopes. This dataset is associated with the following publication: Balint,...
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This dataset includes thin section images, automated mineralogy mineral maps, whole-rock geochemical data, and whole-rock Nd-Sr-Pb isotopic analysis of samples collected from nine mafic-ultramafic...
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Blood and feathers were collected from Hawaii forest birds (Apapane and Hawaii Amakihi) in high elevation forest to assess evidence for altitudinal movement. Feathers, red blood cells and plasma...
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This dataset details mercury (Hg) stable isotope values in dragonflies and fish tissues collected across U.S. National Parks. Dragonfly samples were collected as part of the Dragonfly Mercury...
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The primary objective of this study was to assess deepsea food web structure and trophic niches in Baltimore and Norfolk canyons, the adjacent slopes, and chemosynthetic seeps along the...
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This dataset describes mercury (Hg) stable isotope values in fish dorsal muscle from different freshwater environments across the globe. Fish were collected at numerous field sites in North...
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Stable Isotope Ratios of Nitrate from the National Aquatic Resource Survey 2023 and 2024. We analyzed 163 samples with nitrate concentrations above 2 mg-N/L for oxygen and nitrogen isotopes of...
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The dataset consists of geochemical and isotopic data from fine-grained sediments and glendonite crystals collected at Carter Creek on the North Slope of Alaska. Total Organic Carbon (TOC) values...
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This dataset contains total particle flux and content, Nd content and isotopic composition, and radiocarbon contents in sinking particles collected by sediment traps deployed at 3 depths on the...
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<p>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...
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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...
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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...
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This dataset contains CTD, water quality and particle and zooplankton sample elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise...
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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...
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This project will use a unique set of individual-based data to quantify and model the behavioral ecology of six Department of Defense priority cetacean species in the Bahamas. Data collected...
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Water stable isotope data (hydrogen and oxygen isotopes of H2O) from wetlands and streams within the Pipestem Creek watershed. This data was collected over two open water seasons (May-September):...