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Benthic Flux of Metals and Nutrients into the Water Column of Lake
Coeur d'Alene, Idaho:
Report of an August,1999 Pilot Study
Water-Resources Investigations Report 00-4132
By James S. Kuwabara1,
William M. Berelson2, Laurie S. Balistrieri3,
Paul F. Woods4, Brent R.Topping5,
Douglas J. Steding6, David P. Krabbenhoft7.
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Abstract
A field study was conducted between August 16-27, 1999, to provide the first direct
measurements of the benthic flux of dissolved (0.2-micron filtered) solutes between
the bottom sediment and water column at two sites in Lake Coeur d'Alene, Idaho.
Trace metals (namely, cadmium, copper, manganese, mercury species, and zinc) and
nutrients (namely, ammonia, nitrate plus nitrite, oxygen, orthophosphate and silica)
were solutes of primary interest. Benthic flux (sometimes referred to as internal
recycling) represents the transport of dissolved chemical species between the
water column and the underlying sediment.
Contents
Executive Summary
Recommendations
Background
Results and Discussion
References Cited
Acknowledgements
Appendix 1: Comments on the Report Structure
Appendix 2: List of Figures
Appendix 3: List of Tables
1 kuwabara@usgs.gov,
U.S. Geological Survey, Menlo Park, CA
2berelson@usc.edu,
University of Southern California, Department of Geological Sciences, Los Angeles,
CA
3 balistri@usgs.gov,
U.S. Geological Survey, Seattle, WA
4 pfwoods@usgs.gov,
U.S. Geological Survey, Boise, ID
5 btopping@usgs.gov,
U.S. Geological Survey, Menlo Park, CA
6 dsteding@emerald.ucsc.edu,
University of California, Department of Earth Sciences, Santa Cruz, CA
7dpkrabbe@usgs.gov,
U.S. Geological Survey, Madison, WI
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The pdf file: WRIR 00-4132
For additional information write to:
James S. Kuwabara
U.S. Geological Survey
345 Middlefield Road, MS 439
Menlo Park, CA 94025
Copies of this report my be purchased from:
U.S, Geological Survey
Branch of Information Services
Box 25286
Denver Federal Center
Denver, CO 80225
