• Organization: Department of the Interior
• Updated: 2023-03-30T00:00:00Z

Samples from outside the crater lake were analyzed for their sulfur isotopic composition. Samples of sulfate alteration and native sulfur from the Kīlauea summit, Halema’uma’u crater (HMM), and...

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• Organization: Department of the Interior
• Updated: 2023-03-30T00:00:00Z

Aliquots of collected water samples were prepared for isotopic analysis at the USGS laboratories in Menlo Park, CA by precipitating dissolved sulfate as barium sulfate, using the methods of...

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• Organization: Department of the Interior
• Updated: 2021-09-22T00:00:00Z

Stable oxygen and carbon isotope composition (δ18O and δ13C) and magnesium-to-calcium (Mg/Ca) ratios were measured in the tests of planktic foraminiferal species, Globigerinoides ruber (white...

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• Organization: Department of the Interior
• Updated: 2021-11-19T00:00:00Z

Data set includes water Sr:Ca, Ba:Ca, and δ18O for the Mississippi River and tributaries, and otolith Sr:Ca, Ba:Ca, and δ18O data from bigheaded carp (Silver Carp and BIghead Carp) collected in...

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• Organization: Department of the Interior
• Updated: 2020-08-31T00:00:00Z

Sample Analyses: Four samples of silica sinter from Giant and Castle Geysers compo sedof opal-A or opal-A/C were analyzed for U-Th isotopes at USGS laboratories in Denver, CO...

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• Organization: Department of the Interior
• Updated: 2020-10-28T00:00:00Z

This dataset includes total phosphorus (TP), total nitrogen (TN), and total carbon (TC) concentrations as well as δ15N and δ13C composition, and overall C:N:P stoichiometry for adult emergent...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-01T00:00:00.000+00:00

Juvenile scalloped hammerhead sharks, Sphyrna lewini, were collected in northwest Florida to examine foraging ecology, bioenergetics, and trophic level (30-60 cm FL mean FL 41.5 cm n 196). Diet...

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• Organization: Department of the Interior
• Updated: 2024-11-26T00:00:00Z

For more than a half million years, dense vein calcite has been precipitating in Devils Hole, located about 115 km northwest of Las Vegas, Nevada. This process also occurs in Devils Hole Cave 2,...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

NARSTO_PAC2001_SLOCAN_PARK_GAS_PM_MET_DATA is the North American Research Strategy for Tropospheric Ozone (NARSTO) Pacific 2001 Air Quality Study (PAC2001) Slocan Park (SLPK) Slocan Park Site...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

NARSTO_PAC2001_SUMAS_MTN_GAS_PM_MET_DATA was obtained between August 13 and September 5, 2001 during the Pacific 2001 Air Quality Study (PAC2001). Measurements were collected at the Sumas Eagle...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-03-25T00:00:00.000+00:00

This dataset contains bulk sulfur stable isotope values (δ34S) derived from muscle tissue collected from fish species utilizing various marsh sub-habitats (edge, creek, ponds) along a salinity...

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