Chapter
Apr 26, 2012
Coupled Regional Scale Hydrologic-Atmospheric Model with Spatially Horizontally Averaged Green-Ampt Model
Authors: Junichi Yoshitani and Z. Q. ChenAuthor Affiliations
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
A model, named Integrated Regional Scale Hydrologic/Atmospheric Model (IRSHAM), was developed. In IRSHAM a two-way coupling scheme and areally-averaged conservation equation are employed. This made long-term realistic simulation possible on a regional scale. IRSHAM has a unique moisture flow component based on areally-averaged Green-Ampt equation to account for the heterogeneity of soils that can deal with wet initial conditions and with exfiltration. This soil moisture flow model was coupled with the boundary layer and 12-layer mesoscale atmospheric models in a two-way interaction.
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© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Boundary layers
- Chemical properties
- Chemistry
- Coupling
- Engineering fundamentals
- Environmental engineering
- Fluid mechanics
- Geomechanics
- Geotechnical engineering
- Heterogeneity
- Hydrologic engineering
- Hydrologic models
- Infrastructure
- Models (by type)
- Scale models
- Soil mechanics
- Soil properties
- Soil water
- Structural engineering
- Structural members
- Structural systems
- Urban and regional development
- Water and water resources
Authors
Affiliations
Junichi Yoshitani
Public Works Research Institute of Japan, 1-6 Minamihara, Tsukuba, Ibaraki 305-8516, JAPAN
Z. Q. Chen
Hydrologic Research Lab., Dept. of Civil & Environ. Engineering, University of California, Davis, CA 95616
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