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Modelling effects of forest canopies on slope stability

✍ Scribed by Richard F. Keim; Arne E. Skaugset

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
154 KB
Volume
17
Category
Article
ISSN
0885-6087

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✦ Synopsis

Abstract

We investigated the potential effects of rainfall intensity smoothing by forest canopies on slope stability by modelling soil responses to measured rainfall and throughfall during high‐intensity rain. Field measurements showed that maximum intensities of precipitation were generally reduced under forest canopies at two sites in the Pacific Northwest, USA. Modelling soil water pore‐pressure responses of a hypothetical hillslope to the field data resulted in estimates of slope stability that were generally greater under forest canopy than for the same hillslope without forest canopy. Results indicate that smoothing of precipitation intensities may translate into overall greater stability of hillslopes under forest canopies. Copyright Β© 2003 John Wiley & Sons, Ltd.

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