Development and Assessment of Drought Damage Estimation Technique using Drought Characteristic Factors

The objective of this study is to evaluate the applicability of drought damage estimation technique using the drought characteristic fac- tors. In this study, Bivariate Joint Drought Index (BJDI) was used in order to estimate the drought characteristic factors. Actual dam- age costs data was collected through the government report. Damage estimation equation was derived by using the multi regression analysis for drought characteristic factors and damage costs. The comparison of actual damage costs and estimation damage costs residuals showed that the difference were ranged on -51.9~34.6 billion won. The applicability of damage estimation equation is higher under the consideration of data limits. In order to obtain the better reliable regression equation, the continuous collection of drought damage data would be required.

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