Application of Variable Infiltration Capacity Model (VIC) for Calculating Drought Indicators for Binh Thuan Province

Abstract

Abtract: Drought is a complex natural hazard; so far, there have been several ways to assess drought levels using different indices. In this study, the Variable Infiltration Capacity (VIC) model was used to calculate the relative changes of soil moisture in Binh Thuan province based on surface-subsurface water exchange processes. Model results are then used to quantify drought indicators for assessment of drought situations in Binh Thuan province. Modeled results show that drought occurrences in the study basin are high and complicated, clearly indicating the effect of rainfall, temperature and vegetation cover to water exchange and soil moisture. This work demonstrates the applicability of VIC model for the development of drought forecasting tools for agricultur and water resources planning.

Keywords: Drought, VIC model, relative soil humidity, Bình Thuận.

References:

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