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Hillslope erosion by rainstorms–a magnitude‐frequency analysis
Author(s) -
De Ploey Jan,
Kirkby Michael J.,
Ahnert Frank
Publication year - 1991
Publication title -
earth surface processes and landforms
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.294
H-Index - 127
eISSN - 1096-9837
pISSN - 0197-9337
DOI - 10.1002/esp.3290160503
Subject(s) - surface runoff , erosion , environmental science , hydrology (agriculture) , magnitude (astronomy) , soil loss , soil water , soil science , geology , geomorphology , geotechnical engineering , ecology , physics , astronomy , biology
Daily rainfall data for four stations in Europe and east Africa are used to obtain, by means of magnitude‐frequency analysis, a measure of the Cumulative Erosion Potential (CEP) that takes into account rainfall characteristics, soil water storage, and granulometric properties of soils. The CEP has the advantage of being calculated from generally available published rainfall data, so that wide regional coverage is possible. Together with additional data on the surface configuration and on seasonal variations of rainfall and plant cover, the CEP can provide a basis for estimating hillslope erosion by overland flow.