Publications

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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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Brown Bullhead from the Ashtabula River Illustrating the External Tumors Observed

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January 1, 1997

Spring snowmelt in the Sierra Nevada - Does a day make a difference?

No abstract available.

Authors

D.H. Peterson, M. D. Dettinger, D.R. Cayan, R. E. Smith, L. Riddle, N. Knowles

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1997

Selenium trends in north San Francisco Bay

No abstract available.

Authors

S. N. Luoma, R. Linville

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, San Francisco Bay and Sacramento-San Joaquin Delta Estuary

January 1, 1997

Assimilation efficiencies and turnover rates of trace elements in marine bivalves: A comparison of oysters, clams and mussels

Assimilation efficiencies (AEs) and physiological turnover-rate constants (k) of six trace elements (Ag, Am, Cd, Co, Se, Zn) in four marine bivalves (Crassostrea virginica Gmelin,Macoma balthica Linnaeus, Mercenaria mercenaria Linnaeus, and Mytilus edulis Linnaeus) were measured in radiotracer-depuration experiments. Egestion rates of unassimilated elements were highest during the first 24 h of de

Authors

J.R. Reinfelder, W.-X. Wang, S. N. Luoma, N.S. Fisher

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1997

Forecasting spring runoff pulses from the Sierra Nevada

No abstract available.

Authors

M. D. Dettinger, D.H. Peterson, H.F Diaz, D.R. Cayan

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1997

The spring runoff pulse from the Sierra Nevada

A spring runoff pulse is identified in the Merced River record from the Sierra Nevada, that makes the transition from low streamflow conditions in winter to the high streamflow conditions in the later spring-early summer period. The timing of the pulse is delayed with greater seasonal accumulation of snow pack in the Yosemite region. Also, the runoff pulse is triggered by a regional weather fluctu

Authors

D.R. Cayan, D.H. Peterson, L. Riddle, M. D. Dettinger, R. E. Smith

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1997

Preliminary characterization of acid-generating potential and toxic metal solubility of some abandoned metal-mining related wastes in the Boulder River headwaters, northern Jefferson County, Montana

No abstract available.

Authors

George A. Desborough, David L. Fey

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Geology, Geophysics, and Geochemistry Science Center

January 1, 1997

Ground-water flow and contaminant transport at a radioactive-materials processing site, Wood River Junction, Rhode Island

Liquid wastes from an enriched-uranium cold-scrap recovery plant at Wood River Junction, Rhode Island, were discharged to the environment through evaporation ponds and trenches from 1966 through 1980. Leakage from the ponds and trenches resulted in a plume of contaminated ground water extending northwestward to the Pawcatuck River through a highly permeable sand and gravel aquifer of glacial origi

Authors

Barbara J. Ryan, Kenneth L. Kipp

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

January 1, 1997

Guide to the revised heat and solute transport simulator; HST3D, Version 2

No abstract available.

Authors

K.L. Kipp

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1997

Documentation of R-UNSAT, a computer model for the simulation of reactive, multispecies transport in the unsaturated zone

No abstract available.

Authors

Matthew A. Lahvis, Arthur L. Baehr

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1997

Integrity of production wells and confining unit at the Naval Weapons Industrial Reserve Plant, Dallas, Texas, 1995

Ground water in the shallow alluvial aquifer is contaminated at the Naval Weapons Industrial Reserve Plant, Dallas, Texas. Five production wells at the site are cased through the alluvial aquifer and underlying units and are screened in either the Paluxy or Twin Mountains aquifers. Three abandoned wells, originally completed in the Twin Mountains aquifer but filled with drilling mud in 1958, also

Authors

Sonya A. Jones, Frederick L. Paillet

Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Oklahoma-Texas Water Science Center

January 1, 1997

PHREEQCI: A graphical user interface for the geochemical computer program PHREEQC

PhreeqcI is a Windows-based graphical user interface for the geochemical computer program PHREEQC. PhreeqcI provides the capability to generate and edit input data files, run simulations, and view text files containing simulation results, all within the framework of a single interface. PHREEQC is a multipurpose geochemical program that can perform speciation, inverse, reaction-path, and 1D advecti

Authors

Scott R. Charlton, Clifford L. Macklin, David L. Parkhurst

Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

January 1, 1997

Agricultural chemicals in Iowa's ground water, 1982-95: What are the trends?

The Iowa Department of Natural Resources. Geological Survey Bureau: the University of Iowa Hygienic Laboratory; and the U.S. Geological Survey (USGS) have been working together to address this question. As part of the Iowa Ground-Water Monitoring Program (IGWM). water samples have been collected from selected Iowa municipal wells since 1982. An examination of this data identified two trends: (1) c

Authors

Dana W. Koplin, George Hallberg, D. A. Sneck-Fahrer, Robert Libra

Water Resources Mission Area, Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program, Central Midwest Water Science Center