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Hydrologic‐response‐driven sediment transport at a regional scale, process‐based simulation
Author(s) -
Ran Qihua,
Loague Keith,
VanderKwaak Joel E.
Publication year - 2011
Publication title -
hydrological processes
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.222
H-Index - 161
eISSN - 1099-1085
pISSN - 0885-6087
DOI - 10.1002/hyp.8122
Subject(s) - surface runoff , sediment transport , hydrology (agriculture) , erosion , environmental science , sediment , scale (ratio) , deposition (geology) , geology , geomorphology , geotechnical engineering , geography , ecology , cartography , biology
Assessing hydrologically driven erosion at regional scales from a process‐based perspective presents a significant challenge. Most regional‐scale erosion assessments are based upon a simple steady‐state hydrology foundation. For this study, the sediment transport version of the physics‐based Integrated Hydrology Model (InHM), excited by synthetically generated rainfall, was employed to assess long‐term hydrologically driven erosion for a regional‐scale island boundary‐value problem. The spatiotemporal dynamics of runoff generation, erosion, and deposition are illustrated through saturation, water depth, velocity, and sediment concentration results. The simulations demonstrate that process‐based assessment for concept development is both feasible and tractable at regional spatial and human time scales. Copyright © 2011 John Wiley & Sons, Ltd.

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