A variable source area model of the rainfall‐runoff process based on the Watershed Stream Network

A variable source area model of the rainfall‐runoff process based on the Watershed Stream Network A model of the dynamic contributing area during a storm is formulated in terms of the history of precipitation in excess of B horizon permeability. The spatial dynamic contributing area along the main stream is obtained under the assumptions that the velocity of flow along the stream network is uniform, the drainage density is a constant within a given watershed, and the first‐order streams are uniformly distributed in the basin. The runoff from the dynamic contributing area is then routed through the synthesized stream network to obtain the direct runoff at the basin outlet by making use of a method based on the linearized Saint Venant equations. The model has been tested in several watersheds in the central United States. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Water Resources Research Wiley

A variable source area model of the rainfall‐runoff process based on the Watershed Stream Network

Water Resources Research, Volume 12 (5) – Oct 1, 1976

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Publisher
Wiley
Copyright
Copyright © 1976 by the American Geophysical Union.
ISSN
0043-1397
eISSN
1944-7973
DOI
10.1029/WR012i005p01029
Publisher site
See Article on Publisher Site

Abstract

A model of the dynamic contributing area during a storm is formulated in terms of the history of precipitation in excess of B horizon permeability. The spatial dynamic contributing area along the main stream is obtained under the assumptions that the velocity of flow along the stream network is uniform, the drainage density is a constant within a given watershed, and the first‐order streams are uniformly distributed in the basin. The runoff from the dynamic contributing area is then routed through the synthesized stream network to obtain the direct runoff at the basin outlet by making use of a method based on the linearized Saint Venant equations. The model has been tested in several watersheds in the central United States.

Journal

Water Resources ResearchWiley

Published: Oct 1, 1976

References

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