Journal of Climate · 1999 · 52 citations · 31 references
Natural ResourcesEarth SciencesHydrologyHydrologic ModelingSoil-water RelationsWater Resources EngineeringDesertificationEvapotranspiration EstimationEvapotranspiration ModelingLand Surface ModelingSurface Water ModelingWater Balance ModelingArid Land HydrologyLand Surface EvapotranspirationLand Surface Water BalanceLand Use HeterogeneitySeasonal Water DeficitSoil Moisture Deficit ModelingSpatial VariabilityWater Deficit Modeling
Abstract A land surface water deficit model was developed for a large-scale heterogeneous arid and semiarid area with various soil, vegetation, and land use types, and used to simulate seasonal and spatial variability in potential (E0) and actual (Ea) evapotranspiration and an index of water deficit (WDI). Comparisons with the results of other commonly used models and natural vegetation conditions suggest that this model can give an estimate of the success for large-scale regional studies. By using the model, the authors estimated E0, Ea, and WDI in a grid cell of 0.25° lat × 0.25° long over the Loess Plateau, China. Finally, the sensitivities of the model to both a vegetation parameter and an assumed desertification case were simulated, and several highly sensitive areas were found to be the risk regions to desertification.
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A Simple Biosphere Model (SIB) for Use within General Circulation Models
P. J. Sellers, Yale Mintz, Y. C. Sud et al. · Journal of the Atmospheric Sciences · 1986 · 2.2K citations · Full text