General hydrology and external sources of nutrients affecting Pine Lake, King County, Washington
An adjusted water budget prepared for Pine Lake, a candidate for lake-quality restoration, indicates that of approximately 790 acre-feet of water that enters the lake in a typical year, 410 acre-feet is from precipitation, 350 acre-feet is from surface inflow, and 30 acre-feet is from ground-water seepage. A nearly equal amount of water leaves the lake and of this, 130 acre-feet is by evaporation, 659 acre-feet is by surface runoff, and less than one acre-foot is by ground-water seepage. Based on these amounts of inflow and outflow, the theoretical water-renewal time of the lake is calculated to be 2.2 years. The contributions of inorganic nitrogen and phosphorus to the lake in a typical year from precipitation, surface inflow, and ground-water inflow is about 2,500 pounds of nitrogen and 49 pounds of phosphorus. (USGS)
Citation Information
Publication Year | 1983 |
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Title | General hydrology and external sources of nutrients affecting Pine Lake, King County, Washington |
DOI | 10.3133/wri834057 |
Authors | N. P. Dion, S. S. Sumioka, T. C. Winter |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Water-Resources Investigations Report |
Series Number | 83-4057 |
Index ID | wri834057 |
Record Source | USGS Publications Warehouse |