The Analysis on the Effecting Factor of Drought Disease in Qingyang, Gansu

Abstract

In recent years, the global climate is becoming warmer and warmer. The discussion about the global warming effecting on is also more and more intensified. The paper analyzes change of air temperature and precipitation change occurred from last half century to the beginning of this century in the Qingyang region, Gansu Province, China. Considering the relation between El-nino, La-nina and drought disease, we want to find out the reason of drought disease under the global warming, and to contribute to the theory studying of relieving poverty. The analysis and concluding is that drought disease is worse and worse in the region, air temperature and precipitation is negative correlation obviously, the rising of air temperature is main reason of drought disease.