Experimental validation of some basic assumptions used in physically based soil

S. Wirtz, K.M. Seeger, J.F. Wagner, J.B. Ries

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

In spring 2009, four rill experiments were accomplished on a fallow land. Most external factors as well as discharge quantity (9 L min-1) were held constant or at least in the same range. Following most process based soil erosion models, detachment or runoff values should therefore be similar, but the experimental results show clear differences in sediment concentration, runoff and other measured and calculated values. This fact underlines the problems of process based models: concerning rill erosion, different processes take part and the process described by the models is only responsible for a part of the eroded material.
Original languageEnglish
Pages (from-to)1247-1286
JournalHydrology and Earth System Sciences Discussions
Volume2011
Issue number8
DOIs
Publication statusPublished - 2011

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