Geomorphic considerations for erosion prediction

Environmental Geology
By:  and 



Current soil-erosion prediction technology addresses processes of rainsplash, overland-flow sediment transport, and rill erosion in small watersheds. The effects of factors determining sediment yield from larger-scale drainage basins, in which sediment movement is controlled by the combined small-scale processes and a complex set of channel and other basin-scale sediment-delivery processes, such as soil creep, bioturbation, and accelerated erosion due to denudation of vegetation, have been poorly evaluated. General suggestions are provided for the development of erosion-prediction technology at the geomorphic or drainage-basin scale based on the separation of sediment-yield data for channel and geomorphic processes from those of field-scale soil loss. An emerging technology must consider: (1) the effects on sediment yield of climate, geology and soils, topography, biotic interactions with other soil processes, and land-use practices; (2) all processes of sediment delivery to a channel system; and (3) the general tendency in most drainage basins for progressively greater sediment storage in the downstream direction.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Geomorphic considerations for erosion prediction
Series title Environmental Geology
DOI 10.1007/s002540050113
Volume 29
Issue 3-4
Year Published 1997
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Environmental Geology
First page 152
Last page 157
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