Impact of spatial resolution on the hydrological simulation of the Durance high-Alpine catchment, France
Abstract:The water balance of the mountainous Durance river catchment, French Alps, is simulated from 1981 to 1994 with a soil–vegetation–atmosphere transfer (SVAT) model. Particular attention is paid to the snow-cover evolution using a detailed model of the snow pack evolution. The results are validated by comparison of the simulated discharges calculated by the SVAT with daily observations at three gauging stations located in the watershed. Three different spatial resolutions are used (1, 8 and 46 km) in order to evaluate the impact on the surface-water-budget results. Comparison with the finest resolution indicates the need for sub-grid-scale parameterization for the model with larger resolution.
Document Type: Research Article
Publication date: January 1, 2001
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