Abstract
Abstract. With the economic development and population growth, land use status is changing rapidly in Chinese urban. Since the remote sensing technology can analyze and detect the land use information quickly and accurately, it has been widely applied to obtain the land use/land cover change (LUCC) information today. The land surface destroy occurred in mineral resources exploration will result in a lot of environmental problems in coal mine areas. But there are few research in small and medium-sized cities and coal mine areas. So Peixian is used as the study area in the paper. The Landsat TM/ETM images spanning 3 years and thematic map are adopted to detect the land-use change of the area. In order to improve the classification results, we built an optimized classification model adapting classic SVM method, which was defined "a feature weighted SVM classifier using mixed kernel function". Based on geostatistic and multi-scale statistical knowledge, we calculated the transformation matrix and dynamic index of land-use types, from which we conducted quantitative analysis and the driving force on the mine land-use change of Peixian. Then, we can achieve resource dynamic change detection of four years in Peixian area, analyze the effect of the surface land-use change due to mineral exploration and obtain the causes of land-use change.
Highlights
Land use and land cover change (LUCC) is very important in the global change of population, resources and environment, and has been an important cause of global environment change since 1990s
The land surface destroy occurred in mineral resources exploration will result in a lot of environmental problems
Peixian area is used as the study area
Summary
Land use and land cover change (LUCC) is very important in the global change of population, resources and environment, and has been an important cause of global environment change since 1990s. There are many researches studying land-use change detection in some metropolitan and developed areas now. The conventional mining causes the mining subsidence and a refuse heap arises on the ground; on the other hand, the infrastructure construction, village relocation caused by coal mining and transportation of materials need the construction land. All of these will decrease the vegetation area and increase the construction area, a lot of land subsidence will form mining-induced collapse water-logged zone, destroying the ecological environment in the mining area. The paper analyzes the law of land use change and the driving forces which cause the change, provides a scientific basis for reasonable utilization of the land resources
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