Abstract
An approximate method was developed for partitioning daily total streamflow volumes into storm runoff and subsurface flow components. The procedure was tested with streamflow data from ten research watersheds, 2.6–1494.43 km 2 in size, in the Coastal Plain of Georgia, U.S.A. Estimated volumes obtained on these watersheds were representative of observed stormflow and subsurface flow volumes from the small upland drainage area, 0.34 ha in size. Measured subsurface flow from this upland area was ∼ 80% of the total flow for the 10-yr. period. Results indicate that the approximate method of streamflow partitioning gives reasonable estimates and may be useful where available data are limited to daily values.
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