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Water chemistry of Northern Great Plains strip mine and livestock water impoundments

Journal Article · · Water Resour. Bull.; (United States)
The water from 34 strip mine and 9 livestock water impoundments on the Northern Great Plains was analyzed. In all areas the water was classified as slightly brackish or saline. The dominant ion sequence for the study ponds was Na>Ca>Mg>K and SO/sub 4/>HCO/sub 3/>CO/sub 3/>Cl, which differs from most freshwater by the transposition of Na and SO/sub 4/. Even though mean concentrations of total filterable residue were consistently greater in strip mine ponds, statistically significant differences were not found at the p less than or equal to 0.05 level between strip ponds and livestock ponds. The macronutrients of nitrogen and phosphorus found in the ponds were neither limiting to primary productivity nor excessive for fresh water. Many ponds contain turbid water. Turbidity restricts light penetration and limits photosynthesis besides making the ponds visually unattractive. The source of water for the pond, whether surface runoff or groundwater, seems to have important bearing on turbidity. The most appropriate use of these strip mine ponds is for waterfowl, warm-water fisheries, and other wildlife associated with prairie wetlands. However, even these uses are jeopardized by detrimental concentrations of trace elements in the water.
Research Organization:
Dept. of Agriculture, Grants Pass, OR
OSTI ID:
6001250
Journal Information:
Water Resour. Bull.; (United States), Journal Name: Water Resour. Bull.; (United States) Vol. 21:3; ISSN WARBA
Country of Publication:
United States
Language:
English

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