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MONTHLY RUNOFF DISTRIBUTION RELATED TO BASIN GEOGRAPHY 1
Author(s) -
Copp Howard D.
Publication year - 1991
Publication title -
jawra journal of the american water resources association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.957
H-Index - 105
eISSN - 1752-1688
pISSN - 1093-474X
DOI - 10.1111/j.1752-1688.1991.tb03122.x
Subject(s) - surface runoff , structural basin , snowmelt , drainage basin , elevation (ballistics) , hydrology (agriculture) , environmental science , runoff model , latitude , physical geography , geology , geography , mathematics , geomorphology , ecology , geometry , cartography , geotechnical engineering , geodesy , biology
Mean monthly runoff from ungaged drainage basins that have significant snowpacks each year can be estimated quite well by assuming that the time duration between snowfall and snowmelt is the predominant factor in temporal runoff distribution. That time span is related to basin temperatures which are, in turn, functions of basin elevation and latitude. Regional hydrologic analyses of gaged basin data create regression equations for estimating runoff distribution by month. These equations then can be applied to ungaged basins. Basin latitude and mean elevation are two independent variables that can be used in estimating monthly runoff distributions.