• Organization: Department of Energy
• Updated: 2019-06-11T18:00:26Z

The EGS Collab SIGMA-V project is a multi-lab and university collaborative research project that is being undertaken at the Sanford Underground Research Facility (SURF) in South Dakota. The...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2017-07-25

The present study investigates primary and secondary sources of organic carbon for Bakersfield, CA, USA as part of the 2010 CalNex study. The method used here involves integrated sampling that is...

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• Organization: Department of Energy
• Updated: 2024-06-18T18:30:02Z

For enhanced or Engineered Geothermal Systems (EGS) geothermal brine is pumped to the surface via the production wells, the heat extracted to turn a turbine to generate electricity, and the spent...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-23T00:00:00.000+00:00

A chemical tracer was released at approximately 1100m depth east of the Mississippi Canyon. Later, CTD data and water samples were collected to measure tracer concentrations to determine initial...

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• Organization: Department of Energy
• Updated: 2017-08-08T16:29:48Z

Due the high temperature and pressure conditions found in geothermal wells, tracer studies designed to elucidate properties of geothermal reservoirs are traditionally conducted by pulling liquid...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2020-03-25

A tracer breakthrough curve (BTC) for each sampling station is the ultimate goal of every quantitative hydrologic tracing study, and dataset size can critically affect the BTC. Groundwater-tracing...

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• Organization: Department of the Interior
• Updated: 2022-09-08T00:00:00Z

This USGS Data Release represents the synthetic and real data from hydrologically diverse streams used to test the performance and limitations of the Two-tracer Ratio-based Mixing Model (TRaMM)...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-07-07T00:00:00.000+00:00

This data package contains the shipboard (CTD bottle, CTD sensor profile, and underway measurements) and drifter data collected during a tracer study for the development of in-water monitoring,...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

This data release consists of data (in four tables) for assessing the time scales of arsenic variability in three production wells in New Hampshire; tables that describe the data fields in the...

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

This data set presents results from two groundwater tracing experiments conducted in the mudstone aquifer underlying the former Naval Air Warfare Center (NAWC), West Trenton, NJ. In each test, a...

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• Organization: Department of Energy
• Updated: 2025-04-17T21:03:11Z

This report presents thermal stability testing of fifteen Tracerco water tracers exposed to 250C for 48 hours. Tracer concentrations were compared using HPLC, with samples grouped based on...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-10-01T00:00:00.000+00:00

In 1992, the Marine Mammal Protection Act established the Marine Mammal Health and Stranding Response Program (Title IV) which operates in support of the Recovered Protected Species goal of NMFS’s...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-15T19:16:15.000+00:00

As part of a long-term contaminant-monitoring program of fish in Puget Sound and Georgia Basin, Washington Department of Fish and Wildlife (WDFW) and NWFSC have collaborated in collection and...

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• Organization: Department of the Interior
• Updated: 2020-08-25T00:00:00Z

Three wells in New Hampshire were sampled bimonthly over three years to evaluate the temporal variability of arsenic concentrations and groundwater age. All samples had measurable concentrations...

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

This dataset contains carbon monoxide (CO) observations at 10-second intervals from flights during the ATom-1 campaign in 2016 and simulated CO concentrations from the Goddard Earth Observing...

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• Organization: Department of the Interior
• Updated: 2020-08-26T00:00:00Z

Water samples from 50 domestic wells located <1 kilometer (km) (proximal) and >1 km (distal) from shale-gas wells in upland areas of the Marcellus Shale region were analyzed for chemical, isotopic...

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• Organization: Department of the Interior
• Updated: 2021-04-08T00:00:00Z

These data are comprised of measurements of elements (i.e., aluminum, iron, vanadium, chromium, cobalt, nickel, copper, zinc, arsenic, selenium, cadmium, tin, antimony, barium, thallium, lead,...

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• Organization: Department of the Interior
• Updated: 2022-07-29T00:00:00Z

This U.S. Geological Survey (USGS) data release contains data from stream water, groundwater, and soil samples collected in 2019 and 2020 in the North Quartz Creek watershed in central Colorado....

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

<p align="LEFT"> &nbsp;</p> <p> <font size="3">Near-simultaneously deployed chemical tracer trails over an extended horizontal range will be used to obtain measurements of the turbulent...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Measurements of hormonal concentrations by immunoassays using fluorescent tracer substance (Eu3+) are susceptible to the action of chemical agents that may cause alterations...

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