城鎮(zhèn)化背景下的濟南巖溶山區(qū)環(huán)境擾動特征研究
[Abstract]:Karst mountain area in China has a large distribution ratio, accounting for about 30 percent of the land area. Shandong Province is one of the most important karst areas in the north of China. The area of soluble rock outcrop is about 16200km2. The karst area in the southern mountainous area of Jinan City alone is about 3 500 km2 accounting for 21. 6% of the total karst area in Shandong Province and nearly 40 km ~ 2 of the land area of Jinan City. However, with the rapid development of urbanization, with the continuous development of Jinan karst mountain areas, a series of environmental problems such as rocky desertification, fragile ecological environment, land collapse and so on, which disturb the stability of karst mountain areas, are becoming more and more prominent. Under the background of rapid urbanization in Jinan, this paper takes the karst mountain area of Jinan as the research area, and adopts the technical route of combining theory with practice, complementing indoor research and field investigation. The KDI model of karst environment disturbance index (KDI) was constructed in the southern mountainous area of Jinan. The main influencing factors such as topography factor, soil factor, hydrological factor, atmosphere factor, biological factor, cultural factor and so on were analyzed. The paper also discusses the land use area change, flood, quarrying, soil change, air quality change, precipitation, water quality, vegetation cover, management situation of karst mountain area, traffic development, population change and so on. Based on the criteria of scoring Karst disturbance Index, this paper has visited and surveyed some villages and towns in the study area many times in the early stage. Combining with the results of 20 experts in geography, tourism and other related fields to score the environmental disturbance index in Jinan karst mountain area, the data needed for the writing of the paper are preliminarily sorted out. The software excel and spas are used to mark and interpret the specific index factors which affect the disturbance of karst environment. Combined with the present situation of rapid urbanization in Jinan, through the analysis of the changes of surface morphology and soil conditions in karst areas, the quarrying and mining in human activities can be obtained. The characteristic factors such as soil erosion and the degree of soil compaction have a corresponding effect on the geomorphologic changes in karst areas. The variation of water quality and quantity of water, especially the change of groundwater level, will disturb the hydrological factors in karst environment. The change of vegetation disturbance condition, such as vegetation coverage and population density, will also lead to the change of biological factors in karst area, and then affect the ecological condition of the whole karst area. There are abundant tourist landscape resources in the karst mountainous area of Jinan. Through a large number of field investigation activities, this paper analyzes the situation of the humanities and historic sites in the study area, the daily management work and the infrastructure construction of the karst area. To explore the effect of cultural factors on karst environment. Under the background of rapid development of urbanization, this paper studies and analyzes the characteristics of environmental disturbance in Jinan karst mountain area, and draws relevant conclusions. Finally, comprehensive measures are put forward from several aspects, such as optimizing land use structure, controlling pollution, improving air quality, rationally utilizing and protecting water resources, strengthening ecological construction, strengthening management and setting up environmental management organization in karst mountain areas. In order to reduce the characteristic values of environmental disturbance to the lowest, to realize the harmonious development of man and nature, and to provide reference basis and examples for the environmental treatment and development of other karst areas in China. Finally, this paper summarizes the main achievements and shortcomings of the research, and prospects the development of this research field.
【學(xué)位授予單位】:山東師范大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:P642.25
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