| Now humankind is confronted with the severe challenge to the sharply inflated population, the seriously scarce resources and the increasingly exasperate environment. As one of an important type of natural disasters, geological hazards distributed widely and occurred frequently. So they are becoming the focus all over the world, especially with the expand of scales, intensities and areas of human's activities, geological hazard has been an pivotal factor which influences and restricts human's social, economic development.Guangzhou City is an economic development centre in southern China, it is also one of the regions which suffer from intense human activities and very weak geological environment. Moreover, it is destroyed badly by geological hazards. Today geological hazards problem is one of the major restraining factors of which is now still hard to get rid during the course of economic development in Guangzhou City. In order to actualize the stratagem of sustainable development in Guangzhou City, it is an imperative task to strengthen the management of geological environment and prevention and cure of geological hazards. Thus it has very important theoretic and practical significance in this studied area to carry out the studies on prevention and cure of geological hazards, and to establish the risk evaluation model of geological hazards.It is a complicated research topic to study the risk evaluation of geological hazards synthetically, and it is a foreland field too. To aim at the idiographic circumstances of geological environment and major geological hazards on the land surface in Guangzhou City, we pay attention not only to the studies of the natural attributes of geological hazards, but also to the integrated studies of its' social-economic attributes in this paper. Based on the integrated studies of geological environment and geological hazards, we have made some new, great acquaintances and conclusions as follows:...
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