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- Title
Modeling changes in rill erodibility and critical shear stress on native surface roads.
- Authors
Foltz, Randy B.; Rhee, Hakjun; Elliot, William J.
- Abstract
The article presents a study on the impact of cumulative overland flow on rill erodibility and critical shear stress on native surface roads in central Idaho. Results of the study showed that rill erodibility declined exponentially with increasing cumulative overland flow depth, while the critical shear stress remained the same. The study indicated that road erodibility on the studied road alters over the course of one or more consecutive overland flow events. The study's implication is that over-prediction of sediment yields would probably result if constant rill erodibility values are employed when modeling road surface erosion from consecutive runoff events.
- Subjects
IDAHO; SOIL erosion; SHEAR strength of soils; RUNOFF; SEDIMENTATION &; deposition; SEDIMENTS; PAVEMENTS; SOIL conservation; HYDROLOGIC cycle
- Publication
Hydrological Processes, 2008, Vol 22, Issue 24, p4783
- ISSN
0885-6087
- Publication type
Article
- DOI
10.1002/hyp.7092