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R‐5 revisited: 2. Reevaluation of a quasi‐physically based rainfall‐runoff model with supplemental information
Author(s) -
Loague Keith
Publication year - 1990
Publication title -
water resources research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.863
H-Index - 217
eISSN - 1944-7973
pISSN - 0043-1397
DOI - 10.1029/wr026i005p00973
Subject(s) - surface runoff , infiltration (hvac) , rangeland , hydrology (agriculture) , environmental science , runoff curve number , runoff model , drainage basin , geology , meteorology , geotechnical engineering , geography , cartography , ecology , biology , agroforestry
In this paper a new set of infiltration data for a small rangeland catchment, described in the companion paper (Loague and Gander, this issue), is used to reexcite and reevaluate a quasi‐physically based rainfall‐runoff model that was previously tested by Loague and Freeze (1985). The rainfall‐runoff model is an event‐based simulator of the Horton overland flow mechanism. The performance of the model is shown to be somewhat improved in this study with the supplemental information over the original study. However, the model does not fully approximate the rainfall‐runoff processes for the catchment, a combination of Horton and Dunne overland flow, and therefore the new data do not lead to an overwhelming improvement in the model performance.