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Water balance at a low-level radioactive-waste disposal site

Journal Article · · Water Resources Bulletin; (United States)
 [1];  [2];  [3];
  1. Geological Survey, Denver, CO (United States)
  2. Geological Survey, Tucson, AZ (United States)
  3. Geological Survey, Urbana, IL (United States)
The water balance at a low-level radioactive-waste disposal site in northwestern Illinois was studied from July 1982 through June 1984. Continuous data collection allowed estimates to be made for each component of the water-balance equation independent of other components. The average annual precipitation was 948 millimeters. Average annual evapotranspiration was estimated at 637 millimeters, runoff was 160 millimeters, change in water storage in a waste-trench cover was 24 millimeters, and deep percolation was 208 millimeters. The magnitude of the difference between precipitation and all other components indicates that, in a similar environment, the water-budget method would be useful in estimating evapotranspiration, but questionable for estimation of other components. Precipitation depth and temporal distribution had a very strong effect on all other components of the water-balance equation. Due to the variability of precipitation from year to year, it appears that two years of data are inadequate for characterization of the long-term average water balance at the site.
OSTI ID:
6245902
Journal Information:
Water Resources Bulletin; (United States), Journal Name: Water Resources Bulletin; (United States) Vol. 25:2; ISSN WARBA; ISSN 0043-1370
Country of Publication:
United States
Language:
English