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Most of cities in the world like Shanghai have a large number of underground facilities including public transport and commercial facilities such as shopping malls, subway, parks, etc. The safety of underground spaces has become a very important aspect of urban safety. Underground facilities are very much vulnerable to waterlogging disasters. Urban waterlogging disasters have been causing havoc to...
Assessment of flood risk is important to flood disaster forewarning and decision management. However, there are many uncertainty factors that influence flood risk assessment. In order to solve this problem, this paper proposes an information fusion method based on DS-AHP (Dempster-Shafer and Analytic Hierarchy Process) to deal with uncertainty information, and fuzzy set theory and GIS methods are...
Typhoon is one of the worst natural disasters in the world. Sustainable development of the social and economic of our country is restricted by the effect of Typhoon. High-intensity rainfall brought by Typhoon is an important factor in the formation of disaster. There are two factors, the hazard of the Typhoon disaster control factors and the vulnerability of the regions Typhoon disaster happened,...
Following with the charting process of risk map, the paper designed and developed Risk Mapping Tool (RMT), which is based on Microsoft .Net platform and SuperMap 5.3 COM. RMT encapsulates seven modules, including Risk Mapping, Cartographic Generalization, Making Thematic Map, Map Sheet Management, Risk Map Database, Vector Data Analysis and Raster Data Analysis. RMT system has successfully provided...
With the spatial statistical function of the GIS, the index system, composed of the stability of hazard-formative environments, the hazard of disaster-making factors, the vulnerability of hazard-affected bodies and the disaster-resistant capacity, was constructed based on the Disaster System Theory and the Chinese Nature Disaster Database. The assessment and the regionalization of the integrated natural...
This paper puts forward a method to improve the traditional model of regional flood risk assessment with real-time remote sensing monitoring data and historical flood disaster data. It takes the Songhuajiang River Basin as the study area to build the improved regional flood risk assessment model. According to the characteristics of the study area, factors such as rainfall, topography, water density,...
Urban natural disaster risk research is one of the effective ways on urban regional implementation of risk reduction and mitigation strategies. Disaster risk assessment and zoning is the frontier and hot issue in international disaster risk field. Geographic Information System (GIS) technology is an important aiding tool for natural disaster risk researches. Over the past five years, we studied the...
Risk assessment is significant for prevention and resilience of drought disaster. In the process of assessment, different spatial scales must have different focuses, and the method should be different. This paper uses the method that combines the national scale and regional scale risk assessment to monitor and analyze Chinese drought disaster risk in winter of 2010. The work flow is: firstly, the...
Flood disaster is one of the major natural disasters, the frequency and destructive power of it ranks one of the top disasters in China. In the flood risk assessment, the distribution of drainage network is a very important assessment factor. This study extract the watershed features of Pearl River Basin and Luan River Basin based on the Digital Elevation Model (DEM) and GIS-supported geospatial data...
With the development of informationization in our country, it becomes very imperative to informationize in the field of historical relics management. Historical relics have the great value in history science and art. In order to improve the ways and means of the survey and management of cultural relics, this paper discusses the Construction of Immovable Historical Relics Survey and Management Information...
Differences in spatial scale appear in expression of natural disaster risk. The large-scale region spans up to global level, regional (continental) level, watershed level of major rivers, the natural regional and national level. Grasping the principle of “good order, reasonable distribution”, the expression of disaster risk map focuses on regional risk general trends and macroeconomic situation. The...
In view of coastal erosion characteristic, the evolution rule, the land or the tidal flat loss as well as the existent risk situation and so on of soft nature key coastal section in our country, we cut in the research from the risk, the vulnerability and the risk-resisting ability. Comprehensively taking into account the overall evaluation natural factor and the human factor, combining with the distinctive...
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