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Explore Search: Tracer

Filter Total Items: 622
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A note on the recent natural gradient tracer test at the Borden Site

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Tracer simulation study of potential solute movement in Port Royal Sound, South Carolina

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Ambiguity in measuring matrix diffusion with single-well injection/recovery tracer tests

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Cadmium in the California Current system: Tracer of past and present upwelling

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Hydrologic and tracer studies in Mohawk River at Knolls Atomic Power Laboratory

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234U/238U as a ground-water tracer, SW Nevada-SE California

State News Release
Aerial view of red dye in the Kootenai River

USGS to Conduct Dye Tracer and Aerial Mapping Surveys on Kootenai River

publication
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Ambient changes in tracer concentrations from a multilevel monitoring system in Basalt

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Tracer gauge: An automated dye dilution gauging system for ice‐affected streams

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Electrical imaging of tracer migration at the Massachusetts Military Reservation, Cape Cod

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Environmental tracer model for the Wet Mountain Valley alluvial aquifer, Custer and Fremont Counties, Colorado, 2019

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Dissolved Gas and Tracer Concentrations for the High Plains Aquifer, Vertical Flowpath Study Network

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DGMETA (version 1)—Dissolved gas modeling and environmental tracer analysis computer program

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Multispecies reactive tracer test in an aquifer with spatially variable chemical conditions

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A multiple-tracer approach for identifying sewage sources to an urban stream system

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7Be as a tracer of flood sedimentation on the northern California continental margin

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Estimation of αL, velocity, Kd and confidence limits from tracer injection test data

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Tracer studies and background fluorescence of ground water in the Ocala, Florida, area

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The fluorescent tracer experiment on Holiday Beach near Mugu Canyon, Southern California

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36Cl: A tracer in groundwater in the aquia formation of Southern Maryland

Presentations (PowerPoint)
Temperature: A Useful Tracer for Separating Conduit and Diffuse Flow i

Temperature: A Useful Tracer for Separating Conduit and Diffuse Flow i
Photography
A scientist dumps DNA tracer into a moulin on Wolverine Glacier to assess water flow through the glacier.

A scientist dumps DNA tracer into a moulin on Wolverine Glacier

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Remote sensing of tracer dye concentrations to support dispersion studies in river channels

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Generation of ethylene tracer by noncatalytic pyrolysis of natural gas at elevated pressure

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An integrated environmental tracer approach to characterizing groundwater circulation in a mountain block

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Heat as a ground water tracer at the Russian River RBF facility, Sonoma County, California

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Estimating the gas and dye quantities for modified tracer technique measurements of stream reaeration coefficients

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Specific conductance as a tracer of preferential flow in a subsurface-drained field

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Using transport model interpretations of tracer tests to study microbial processes in groundwater

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Evaluating microbial purification during soil treatment of wastewater with multicomponent tracer and surrogate tests

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