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Int. J. Environ. Res. Public Health 2015, 12(2), 1703-1725; doi:10.3390/ijerph120201703

Fuzzy Comprehensive Evaluation-Based Disaster Risk Assessment of Desertification in Horqin Sand Land, China

School of Environment, Northeast Normal University, Changchun 130117, China
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Author to whom correspondence should be addressed.
Academic Editor: Emmanuel Rudatsikira
Received: 4 November 2014 / Revised: 15 December 2014 / Accepted: 22 January 2015 / Published: 3 February 2015
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Abstract

Desertification is a typical disaster risk event in which human settlements and living environments are destroyed. Desertification Disaster Risk Assessment can control and prevent the occurrence and development of desertification disasters and reduce their adverse influence on human society. This study presents the methodology and procedure for risk assessment and zoning of desertification disasters in Horqin Sand Land. Based on natural disaster risk theory and the desertification disaster formation mechanism, the Desertification Disaster Risk Index (DDRI) combined hazard, exposure, vulnerability and restorability factors and was developed mainly by using multi-source data and the fuzzy comprehensive evaluation method. The results showed that high risk and middle risk areas account for 28% and 23% of the study area, respectively. They are distributed with an “S” type in the study area. Low risk and very low risk areas account for 21% and 10% of the study area, respectively. They are distributed in the west-central and southwestern parts. Very high risk areas account for 18% of the study area and are distributed in the northeastern parts. The results can be used to know the desertification disaster risk level. It has important theoretical and practical significance to prevention and control of desertification in Horqin Sand Land and even in Northern China. View Full-Text
Keywords: Horqin Sand Land; desertification; natural disaster risk; risk assessment Horqin Sand Land; desertification; natural disaster risk; risk assessment
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wang, Y.; Zhang, J.; Guo, E.; Sun, Z. Fuzzy Comprehensive Evaluation-Based Disaster Risk Assessment of Desertification in Horqin Sand Land, China. Int. J. Environ. Res. Public Health 2015, 12, 1703-1725.

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