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P25MODELING THE EFFECTS OF VEGETATION ON HEAVY METALS CONTAINMENT |
R. Green(1), L.E. Erickson(1), R.S. Govindaraju(2), and P. Kalita(3), (l)Chemical Engineering, (2)Civil Engineering, and (3)Biological and Agricultural Engineering, Kansas State University Manhattan, KS 66506 |
Soil and water contamination of lead, cadmium and zinc are of concern in southeast Kansas, where mining activities occurred until the middle of this century. Sediment erosion from the remnant piles of chat, an aftermath of the mining activity, is responsible for the increasing metal contaminant concentrations in nearby farmland.
Vegetation is being examined as a means of controlling the further spread of the metals. Two current programs used in watershed modeling, AGNPS and KINEROS, are examined to determine the role that vegetation plays in each of the models and what the models' predictions are for a 1640-acre watershed, containing such chat piles, near Galena, Kansas. Key words: vegetation, metals, contamination, sediment, modeling
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