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Monthly and annual budgets of Lake Wingra, Madison, Wisconsin, 1972-77

Water-Resources Investigations Report 79-100

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Abstract

This report presents estimated annual and monthly water budgets for Lake Wingra in Wisconsin and the adjacent wetland area for January 1972 through September 1977. Annually, inputs from precipitation, surface runoff, and ground-water inflow are approximately equal (31, 34, and 35 percent, respectively). Outputs include outflow from the lake into Murphy Creek (70 percent), evapotranspiration from the lake and wetland (26 percent) and ground-water outflow (4 percent). The inputs and outputs vary seasonally. In months when snowmelt occurs, surface runoff is a major input (56 percent in March; 46 percent in April). In fall and winter ground-water inflow is a major input (57 percent in November). Precipitation is 41 percent of the inflow in August, but only 18 percent in January. Lake outflow is the major output except in July, August, and September. Combined evaporation and evapotranspiration is a major output in summer (45 to 58 percent) but minor in winter (less than 13 percent). Ground-water outflow is a small part of the budget each month, ranging from 2 percent in March and April to a maximum of 7 percent in September. (Kosco-USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Monthly and annual budgets of Lake Wingra, Madison, Wisconsin, 1972-77
Series title:
Water-Resources Investigations Report
Series number:
79-100
Edition:
-
Year Published:
1979
Language:
ENGLISH
Publisher:
U.S. Geological Survey, Water Resources Division,
Description:
iv, 31 p. :ill., maps ;28 cm.
Number of Pages:
35