Abstract Four research projects were funded under the FY88 program, as well as an information transfer program. Two projects funded through the WWRC state grants program were submitted as matching. A short statement identifying each project follows:
The mechanics of ground water recharge and the influences of geologic structure and stratigraphy on this recharge were studied for western Wyoming foreland and thrustbelt environments. Three distinct types of ground water storage were found to occur in these environments.
Uncertainty analysis and risk evaluation was performed on parameters of a dissolved oxygen (DO) water quality model. It was found that uncertainty in DO prediction depends on the classification of the stream and the use of a correct probability distribution for DO concentration.
Microorganisms which inhabit the rhizosphere are being studied to see if they play a major role in the modification of the bioavailability of selenium. Results to date suggest that vesicular arbuscular fungi found on the roots of plants in seleniferous soils are important mediators of plant selenium uptake.
An evaluation of potential toxicity effects of saline discharges from oil production operations on a portion of a stream system in Wyoming has indicated to date that concentrations of Na+, K+, Cl-, HCO2- and C032- from these saline discharges is significantly contributing to observed toxicity.
The hydrologic, geomorphic and biologic responses of conveying municipal water through an ephemeral watercourse are being measured and evaluated. A well defined channel has begun to form and aquatic habitats are beginning to establish themselves.
The Wyoming Water Research Center operates and maintains a high mountain watershed observatory which is densely instrumented for the purposes of hydrologic, water quality, and climatologic research and educational instruction. It is presently being used by the U.S. Forest Service for atmospheric deposition studies in cooperation with the University of Wyoming.
Information transfer was accomplished through field tours, professional papers, a newsletter, law journal publications, seminars and updating data and bibliographic information sources for the State of Wyoming on regional and state water issues.
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