基于下垫面孕灾环境因子的锡林郭勒地区沙尘暴风险评价

doi:10.11707/j.1001-7488.20120901

Scientia Silvae Sinicae ›› 2012, Vol. 48 ›› Issue (9): 1-7.doi: 10.11707/j.1001-7488.20120901

Risk Assessment of Sand Storm Disaster in Xilingol Region Based on the Underlying Surfaces Factors

Wu Jianwei^1,2, Li Jinrong³, Xing Ende³, Huang Lina⁴

1. Academy of Forest Inventory and Planning of State Forestry Administration Beijing 100714;2. China National Desertification Monitoring Center Beijing 100714;3. Institutes of Water Resources for Pastoral Area, Ministry of Water Resources Huhhot 010020;4. Xilingol League Meteorological Bureau Xilinhot 026000

Received:2012-03-14 Revised:2012-07-25 Online:2012-09-25 Published:2012-09-25

Abstract

Abstract:

Xilingol region is one of the major typical steppes and a major ecological barrier around Beijing, however it is located in an ecologically fragile area. Using AHP and GIS technology, An assessment system of sandstorm risk was established based on the underlying surfaces factors. This article analyzed sandstorm risk assessment during the three periods (1981-1990, 1991-2000, 2001-2010) in the Xilingol region. The assessment result showed that the risk greatly changed during the recent 30 years. The risk had a gradually increasing trend and the risk in the western was higher than thatin the eastern at the same period.

Key words: sand storm, underlying surface, hazard-formative environment, risk assessment, Xilingol region

CLC Number:

S761.2

Wu Jianwei;Li Jinrong;Xing Ende;Huang Lina. Risk Assessment of Sand Storm Disaster in Xilingol Region Based on the Underlying Surfaces Factors[J]. Scientia Silvae Sinicae, 2012, 48(9): 1-7.

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Risk Assessment of Sand Storm Disaster in Xilingol Region Based on the Underlying Surfaces Factors

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