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Dive into our publications and explore the science from the Environmental Health Program (Toxic Substances Hydrology and Contaminant Biology).

GeoHEALTH-USGS Newsletter

The GeoHEALTH–USGS Newsletter—published since 2004—provides information on USGS science activities pertinent to safeguarding the health of fish, wildlife, domesticated animals, and people from environmental exposures to contaminants and pathogens.

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January 1, 1999

Chlorofluorocarbons Chlorofluorocarbons

No abstract available.

Authors

L.N. Plummer, Eurybiades Busenberg

Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1999

Using flood-analysis techniques to estimate dissolved-zinc concentrations Using flood-analysis techniques to estimate dissolved-zinc concentrations

No abstract available.

Authors

Kenneth J. Leib, Winfield G. Wright, M. Alisa Mast

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1999

Predicting soil-water retention and hydraulic conductivity from textural and structural information Predicting soil-water retention and hydraulic conductivity from textural and structural information

No abstract available.

Authors

John R. Nimmo

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1999

Selenium pollution Selenium pollution

No abstract available.

Authors

Theresa S. Presser

Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1999

Transport of heat and gas in soil and at the surface Transport of heat and gas in soil and at the surface

No abstract available.

Authors

D.E. Anderson

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1999

Solutions to questions Solutions to questions

No abstract available.

Authors

D.E. Anderson

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1999

Characterizing hydrology and the importance of ground-water discharge in natural and constructed wetlands Characterizing hydrology and the importance of ground-water discharge in natural and constructed wetlands

Although considered the most important component for the establishment and persistence of wetlands, hydrology has been hard to characterize and linkages between hydrology and other environmental conditions are often poorly understood. In this work, methods for characterizing a wetland’s hydrology from hydrographs were developed, and the importance of ground water to the physical and...

Authors

Randall J. Hunt, John F. Walker, David P. Krabbenhoft

Ecosystems Mission Area, Environmental Health Program, Toxic Substances Hydrology, Upper Midwest Water Science Center, M3 Research Laboratory

January 1, 1999

User's guide to PHREEQC (Version 2): A computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical calculations User's guide to PHREEQC (Version 2): A computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical calculations

PHREEQC version 2 is a computer program written in the C programming language that is designed to perform a wide variety of low-temperature aqueous geochemical calculations. PHREEQC is based on an ion-association aqueous model and has capabilities for (1) speciation and saturation-index calculations; (2) batch-reaction and one-dimensional (1D) transport calculations involving reversible...

Authors

David L. Parkhurst, C.A.J. Appelo

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1999

Quantification of metal loading in French Gulch, Summit County, Colorado, using a tracer-injection study, July 1996 Quantification of metal loading in French Gulch, Summit County, Colorado, using a tracer-injection study, July 1996

No abstract available.

Authors

Briant A. Kimball, Robert L. Runkel, Linda J. Gerner

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Colorado Water Science Center

January 1, 1999

Analysis of carbon isotopes, determination of ground-water age, and estimated characteristics of the contaminant source at two fuel-spill plumes, western Cape Cod, Massachusetts, 1996 Analysis of carbon isotopes, determination of ground-water age, and estimated characteristics of the contaminant source at two fuel-spill plumes, western Cape Cod, Massachusetts, 1996

No abstract available.

Authors

Jennifer G. Savoie

Ecosystems Mission Area, Environmental Health Program, Toxic Substances Hydrology, New England Water Science Center

January 1, 1999

Quantification of metal loading in Fisher Creek by tracer injection and synoptic sampling, Park County, Montana, August 1997 Quantification of metal loading in Fisher Creek by tracer injection and synoptic sampling, Park County, Montana, August 1997

Acid mine drainage from abandoned and inactive mines affects the water quality of the upper reaches of Fisher Creek, Montana. A sodium chloride tracer was added to the stream for 29.5 hours to provide a hydrologic context for synoptic sampling of metal chemistry in the stream and its inflows. The detailed profile of stream discharge obtained from the sampling helped to indicate those...

Authors

Briant A. Kimball, David A. Nimick, Linda J. Gerner, Robert L. Runkel

Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Wyoming-Montana Water Science Center, Colorado Water Science Center, Utah Water Science Center

January 1, 1999

Processing of seismic tomography data collected at Tunnel 160, Deglen Mountain, Kazakhstan Processing of seismic tomography data collected at Tunnel 160, Deglen Mountain, Kazakhstan

No abstract available.

Authors

Karl Ellefsen, William Leith

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program