湘潭市雨湖區(qū)土地利用時空變化及驅(qū)動力研究
[Abstract]:With the development of economy and society, the contradiction between man and land is becoming more and more serious, which leads to great changes in the quantity and structure of land use. As the key area of "two types" social construction of Chang-Zhuzhou-Xiangtan urban agglomeration, the urban development of Xiangtan City is bound to influence the transformation of land use structure. In order to explore the problems existing in the land use of Yuhu District and promote the rational use of land, this paper uses GIS to analyze the quantity, spatial and dynamic changes of various kinds of land use in Yuhu District of Xiangtan City from 2000 to 2010. On this basis, combined with qualitative and quantitative analysis, the driving force affecting land use change is discussed. According to the problems existing in land use, the corresponding countermeasures are put forward. The results show that: (1) in 2000-2010, the land use change in Yuhu Lake area is obvious. Except for cultivated land and forest land, the area of grassland, river surface, construction land and bare land are all increasing; the cultivated land decreases and the scope of construction land increase is basically the same; the annual change rate of bare land is the largest. Secondly, grassland. (2) in the qualitative analysis of the driving forces of land use change, the natural driving forces mainly include climate, soil, geology and geomorphology and hydrology. Social and economic driving forces include demographic factors, economic development, and policy systems. When the principal component analysis method is used in quantitative analysis, it is concluded that three factors are the main driving forces to promote the land use change in Yuhu District, such as social and economic development, population growth and industrial structure adjustment. And the influence degree of driving force is increasing year by year. (3) the main problems of land use in Yuhu District are that the contradiction between cultivated land and construction land is prominent, the degree of intensive land use needs to be improved, and the land pollution is more serious. On this basis, the countermeasures and suggestions for sustainable land use are put forward, including protecting cultivated land resources, improving the level of intensive land use, paying attention to ecological security and environmental protection, and dealing well with the relationship between economic development and land use.
【學(xué)位授予單位】:湖南農(nóng)業(yè)大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:F301.2
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