IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
三峡工程实施十年间开县土地利用/覆被时空变化及机制分析
Alternative TitleResearch on the Spatial-temporal Process and Mechanism of Land Use and Land Cover Change in Kaixian County During the Ten Years of Three Gorges Project's constructing
Language中文
邵怀勇
Thesis Advisor周万村
2005
Degree Grantor中国科学院研究生院
Place of Conferral北京
Degree Name硕士
Degree Discipline地图学与地理信息系统
Keyword重庆开县 土地利用/覆被变化 地球信息技术 时空过程 分形理论 驱动力
Abstract应用遥感、地理信息系统技术和数理统计方法,以LUCC理论、分形理论、景观生态学原理为理论依托,就重庆开县土地利用/覆被变化伍UCC)进行了系统的典型分析研究。论文从不同角度分析了研究区土地利用/覆被现状、时空变化特征及主要驱动力,建立了土地利用/覆被镶嵌体的分形结构模型。论文主要内容包括:1重庆开县土地利用/覆被现状研究。本研究从土地利用结构、土地利用的高程、坡度、坡向分布状况、地域差异等几方面对研究区土地利用/覆被现状进行了分析,为土地利用变化特征的分析奠定基础。2重庆开县土地利用/覆被变化时空特征分析。本研究在199乏年和2002年两期土地利用数据的基础上,利用Arc/info提供的强大的分析功能,全面分析了三峡工程兴建十年前后研究区土地利用/覆被变化的数量变化、转出速度、转入速度、综合动态度、区域差异、景观生态格局等特征。3运用分形理论对重庆开县土地利用/土地覆被镶嵌体景观类型的分维值进行计算,并讨论了各种景观类型的分维性质。结果表明:土地利用/土地覆被镶嵌体具有统计意义上的自相似性,是一种随机分形结构;景观类型的分维值越大,其形态越复杂,反之越简单。SI(稳定性指数)>O,表示景观在其形态复杂状态下的一种稳定性,S1越大,该景观形态越稳定;反之亦然。SI<O,表示景观在其形态简单状态下的一种稳定性,SI越小,该景观形态越稳定;反之亦然。景观类型的分维值随时间变化而增大,该景观的形态变得复杂,反之,该景观形态变得规则。土地利用/土地覆被镶嵌体的分维值是研究土地利用/土地覆被镶嵌体景观格局的一种综合性的定量指标。4从自然控制因子和社会经济驱动因子两个方面,分析了研究区土地利用/覆被时空变化的驱动机制,建立了研究区土地利用/覆被变化的驱动力模型。
Other AbstractApplying remote sensing, geography and statistical method, information system technology, baaed on Landscape Ecology, Fractal geometry technology, a systemic and typical study on land use and land cover change(LUCC) was carried out at Kaixian county in Chongqing. The status quo, the temporal and spatial change character and driving forces of land use and land cover change were systemically analyzed in the study area, And the fractal model on structure of land use and land cover was founded. The key contents are as follows: 1 The study on the status quo of LUCC in the research area. The character of status quo of LUCC was analyzed from the point of the land use structure, the land use extent, the land use distribution with the change of altitude and slope and the regional difference of land use. The study on the status quo of LUCC was the base of the research of the LUCC. 2 The analysis of the temporal-spatial character of LUCC. On basis of the LUCC map of year 1992, and 2002, the temporal-spatial change character was discussed, which was analyzed from the point view of quantity change, the output speed , the input speed, the. change index of colligation, regional differences of LUCC and landscape ecology pattern. 3 Fractal dimension values of each landscape of the mosaic structure of land use and land cover are calculated at Kaixian county in Chongqing. Properties of fractal dimension of each landscape and their changes are discussed. It is indicated that the mosaic structure of land use and land cover has statistical self-similarity and its fractal dimension value is a kind of random fractal geometry by the research. Bigger fractal dimension value indicates that the spatial configuration of a landscape is more complex, whereas its spatial configuration is simpler. The stability index of a landscape bigger than zero means that the stability of landscape spatial configuration under complex state. The bigger the value of SI is, the more stable the spatial configuration of a landscape is; vice verse. The stability index of a landscape smaller than zero means that the stability of landscape spatial configuration under simple state. The smaller the value of SI is, the more stable the spatial configuration of a landscape is; vice verse. The spatial configuration of a landscape gets more and more complex if the fractal dimension value increases with time; whereas its spatial configuration gets simpler and simpler. The quantity fractal dimension is a comprehensive index to study landscape pattern of the mosaic structure of land use and land cover. 4 On the basis of the systematical study on natural and social-economic factors including elevation, slope, aspect, soil type, residential area and road. And the driving forces model- was founded in the research area.
Document Type学位论文
Identifierhttp://ir.imde.ac.cn/handle/131551/6222
Collection成都山地所知识仓储(2009年以前)
Recommended Citation
GB/T 7714
邵怀勇. 三峡工程实施十年间开县土地利用/覆被时空变化及机制分析[D]. 北京. 中国科学院研究生院,2005.
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