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Climate, soil, and vegetation: 5. A derived distribution of storm surface runoff

Climate, soil, and vegetation: 5. A derived distribution of storm surface runoff The Philip infiltration equation is integrated over the duration of a rainstorm of uniform intensity to give the depth of point surface runoff from such an event on a natural surface in terms of random variables defining the initial soil moisture, the rainfall intensity, and the storm duration. In a zeroth‐order approximation the initial soil moisture is fixed at its climatic space and time average, whereupon by using exponential probability density functions for storm intensity and duration, the probability density function of point storm rainfall excess is derived. This distribution is used to define the annual average depth of point surface runoff and to derive the flood volume frequency relation, both in terms of a set of physically meaningful climate‐soil parameters. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Water Resources Research Wiley

Climate, soil, and vegetation: 5. A derived distribution of storm surface runoff

Water Resources Research , Volume 14 (5) – Oct 1, 1978

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References (9)

Publisher
Wiley
Copyright
Copyright © 1978 by the American Geophysical Union.
ISSN
0043-1397
eISSN
1944-7973
DOI
10.1029/WR014i005p00741
Publisher site
See Article on Publisher Site

Abstract

The Philip infiltration equation is integrated over the duration of a rainstorm of uniform intensity to give the depth of point surface runoff from such an event on a natural surface in terms of random variables defining the initial soil moisture, the rainfall intensity, and the storm duration. In a zeroth‐order approximation the initial soil moisture is fixed at its climatic space and time average, whereupon by using exponential probability density functions for storm intensity and duration, the probability density function of point storm rainfall excess is derived. This distribution is used to define the annual average depth of point surface runoff and to derive the flood volume frequency relation, both in terms of a set of physically meaningful climate‐soil parameters.

Journal

Water Resources ResearchWiley

Published: Oct 1, 1978

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