Mapping Drought Intensity by using PN and Deciles Index In Khorasan Razavi Province

Historically, human life was adventured to the natural hazards that proceed by Geomorphology Activities such as earthquake, volcano and etc. but some of that events proceeded by climate process. That abundance and density of these phenomena depended to the Geographic Coordinate. Among of these phenomena we could mention to the storms, Droughts, floods and… in this case, drought is more important because Drought is mystery and natural Disaster that Caused effected to human projections.Numbers and damaging that caused by drought is more than other Climate hazards. In this paper, after study on the other methods and index, we will have a climate viewpoint on it and then by using precipitation of Khorasan Razavi province, will produce mapping of Drought with PN and Deciles index. Finally we will compare this two methods in evaluate Drought Density in that region.