风灾危险性评价-以塔里木盆地为例

doi:10.13826/j.cnki.cn65-1103/x.2003.03.010

Abstract

Abstract: In this paper, by analyzing and processing the statistical data, i. e. population, cultivated land, stock capacity and GDP for per unit land area are determined as the main factors to calculate the wind disaster-bearing object CH, and the average gale disaster weather days per year as the wind disaster amount index ZC. Region analysis indicates that：the high value region of ZC and CH are not lapped in area coverage. Because the occurrence and development of the wind disaster is the results not only caused by the gale disaster but also related with the natural factor and economical factor of this area, we adopt ZC and CH as two main indexes to evaluate the risk assessment of wind disaster DX in Tarim Basin. The wind disaster risk assessment index DX can overcomes the shortage evaluated only by CH or ZC, because it can synthetic explain the character of the disaster amount and the disaster-bearing object. The calculating and analyzing of DX can easily find the spatio-temporal pattern of the wind disaster in Tarim Basin. The result showed that：the most risk area is one of the biggest city-Korla, and the second risk areas are Aksu, Shache, Kuqa and Kashi, such regions are the key regions of the prevention and control. At the same time, two highest value region of ZC only own the lowest DX for their economic level. The result is close to actual distribution condition of wind disaster in Tarim Basin.

Key words: Tarim Basin, wind disaster, risk assessment

CLC Number:

XU Hai-liang, CHEN Ya-ning, LI Wei-hong, ZHANG Rui. Risk Assessment of Wind Disaster in Tarim Basin[J].Arid Land Geography, 2003, 26(3): 250-253.

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Risk Assessment of Wind Disaster in Tarim Basin

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