Abstract
Existing urban disaster risk assessment methods didn’t consider the hazard, vulnerability, capacity synthetically, as well as the typical characteristics of city facing disasters. So they were difficult to meet the needs of emergency preparedness, mitigation and response of the city specific disasters. This paper, taking Changsha City, Hunan Province, China as an example, analyzes disaster risk features of the city taking history disasters, population, economy and social development into consideration from Hazard, Vulnerability and Capacity. And then a model, geospatial visual urban disaster comprehensive risk assessment based on GIS, is established, in which the indicator weights are calculated using an improved gray correlation method. A regionalized disaster risk map of Changsha City is acquired, which can be used for comprehensive emergency management of the city.
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Acknowledgements
The authors would like to thank the support of the National Natural Science Foundation of China (Study on Pre-qualification Theory and Method for Influences of Disastrous Meteorological Events, Grant No. 91224004) and the youth talent plan program of Beijing City College (Study on Semantic Information Retrieval of Decision Analysis of Emergency Management for Typical Disastrous Meteorological Events, Grant No. YETP0117).
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Wang, C., Zhong, S., Zhang, Q., Huang, Q. (2016). Urban Disaster Comprehensive Risk Assessment Research Based on GIS: A Case Study of Changsha City, Hunan Province, China. In: Bian, F., Xie, Y. (eds) Geo-Informatics in Resource Management and Sustainable Ecosystem. GRMSE 2015 2015. Communications in Computer and Information Science, vol 569. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-49155-3_9
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DOI: https://doi.org/10.1007/978-3-662-49155-3_9
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