Study on Meteorological Disaster Risk Assessment System of Northern Henan:A Case Study of Huixian City
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Based on the meteorological data and geological disaster information of Huixian in northern Henan during 1961-2009, four disaster-inducing factors like rainstorm, hail, gale and geological disasters were analyzed, and then a meteorological disaster risk evaluation index system was established to zone meteorological disaster risk, finally the meteorological disaster risk zoning map was obtained. The results show that rainstorm, hail and geographical disasters appeared more frequently in mountains than plains; on the contrary, gale occurred more frequently in plains. These conclusions could provide scientific and technological support and theoretical foundation for preventing meteorological disasters in Huixian.