Evaluation of Methods of Droughts Zoning in Kerman Province

The necessity of drought preparedness can be verified by assembling drought mitigation scheme. Drought Phenomenon is one of the most important disasters that infect on many of countries. Drought causes many problems as Economic، Social، political and Cultural. Knowledge about drought، prediction and zoning of drought severity can decrease the damages of these phenomena. In this study Kerman province is selected. The aim of this study is the accuracy evaluation of Kriging، Co-kriging and Inverse Distance Weights methods in providing of maps of severity drought in Kerman province by Percentage of Normal Precipitation Index. In do this، 44 meteorological station base time common 20year are selected. Percentage of Normal Precipitation Index computed. Drought zoning maps provide by three methods of Kriging، Co-kriging and Inverse Distance Weights to years 1367، 1372، 1378، 1379، 1381 and 1384. Between of three methods of zoning، Kriging method has the lowest error RMSE so is the best method. Results of this r research was showed most severity drought occur to year 1378 and 1379.