Typhoon Disaster Risk Assessment Based on Emergy Theory: A Case Study of Zhuhai City, Guangdong Province, China
by
Zhicheng Gao 1, Rongjin Wan 1, Qian Ye 2, Weiguo Fan 3
, Shihui Guo 2, Sergio Ulgiati 4,5 and Xiaobin Dong 1,6,7,*
Zhicheng Gao 1, Rongjin Wan 1, Qian Ye 2, Weiguo Fan 3, Shihui Guo 2, Sergio Ulgiati 4,5 and Xiaobin Dong 1,6,7,*
1
School of Natural Resources Science and Technology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
2
State Key Lab of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China
3
Department of Economics and Management, North China Electric Power University, Baoding 071003, Hebei, China
4
Department of Science and Technology, Parthenope University, 80133 Napoli, Italy
5
School of Environment, Beijing Normal University, Beijing 100875, China
6
State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
7
Joint Center for Global change and China Green Development, Beijing Normal University, Beijing 100875, China
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(10), 4212; https://doi.org/10.3390/su12104212
Received: 22 March 2020 / Revised: 15 May 2020 / Accepted: 16 May 2020 / Published: 21 May 2020
(This article belongs to the Special Issue Natural Disasters and Extreme Solar Energy)
Typhoons and cyclones are the most impacting and destructive natural disasters in the world. To address the shortcomings of a previous typhoon disaster risk assessment (for example, human factors were involved in determining weights by importance, and this affected the experimental results), an emergy method, which converts energy flows of different properties into the same solar energy basis for a convenient comparison, was used to assess the risk of regional typhoon disasters. Typhoon disaster-related data from 2017 were used to develop an index system including resilience, potential strength, and sensitivity which was in turn applied to assess typhoon disaster risks in Zhuhai City, Guangdong Province, China. The results showed that the spatial distribution of the typhoon disaster risks in Zhuhai significantly differed, with the highest risk in Xiangzhou district, the second highest risk in Doumen district, and the lowest risk in Jinwan district. In addition, improving the level of regional resilience can effectively reduce risks from typhoon disasters. The application of the emergy method in a typhoon disaster risk assessment may provide some theoretical support for national and regional governmental strategies for disaster prevention and reduction.
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Keywords:
emergy method; risk assessment; typhoon disaster
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MDPI and ACS Style
Gao, Z.; Wan, R.; Ye, Q.; Fan, W.; Guo, S.; Ulgiati, S.; Dong, X. Typhoon Disaster Risk Assessment Based on Emergy Theory: A Case Study of Zhuhai City, Guangdong Province, China. Sustainability 2020, 12, 4212.
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