Arid Zone Research ›› 2019, Vol. 36 ›› Issue (2): 486-493.doi: 10.13866/j.azr.2019.02.26

• Ecology and Environment • Previous Articles     Next Articles

Assessment and Division of Forest Snow Disaster Risk in Inner Mongolia

DING Yan-long1, SUN Xiao-rui1, GAO Yong1, DANG Xiao-hong1, JIAO Hong-yuan1, WU Hao2   

  1. 1. College of Desert Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010020, Inner Mongolia,China;
    2. Damaoqi Meteorological Observatory, Baotou Meteorological Bureau, Baotou 014500, Inner Mongolia,China
  • Received:2018-07-09 Revised:2018-12-07 Published:2025-10-18

Abstract: The meteorological and forestry data, basic geographic information and socio-economic data related to forest snow disasters were selected to comprehensively assess the regional difference of snowstorm risk in Inner Mongolia, including the disastrous factors and vulnerability, environmental sensitivity to snow disasters, and snow disaster prevention and mitigation capabilities based on the theory of natural disaster risk. The weighted comprehensive scoring method and analytic hierarchy process (AHP) were used to establish a comprehensive assessment index system of forest snow disaster risk and to construct a zoning model of forest snow disaster risk in Inner Mongolia. The results indicated that the proportions of the areas with high and sub-high risk of forest snow disasters were 77.18% and 0.05%, respectively, and the areas were mainly located in Hulun Buir City. The proportion of the areas with medium risk accounted for 6.01% of the total area of forest snow disaster risk, they were mainly distributed in Xilin Gol League, Hulun Buir City, Chifeng City and Xing’an League, and their proportions were 0.61%, 36.50%, 9.11% and 5.99%, respectively. The proportion of the areas with sub-low and low snow disaster risk was 16.76% of the whole risk area, and they were mainly distributed in Alxa League, Erdos City, Xing’an League and other places. The forest snow disaster risk in Inner Mongolia decreases gradually from the northeast to the southwest, and it is basically consistent with the spatial distribution of forest and snow cover.

Key words: forest snow disaster risk, risk theory of natural disaster, risk zonation, Inner Mongolia