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基于遥感和GIS的土地利用变化及其环境效应分析

Analysis on Land Use Change and Its Impact on Environment Based on RS&GIS

【作者】 余娟清

【导师】 汤小华;

【作者基本信息】 福建师范大学 , 自然地理学, 2004, 硕士

【副题名】以福建省晋江市为例

【摘要】 土地利用/土地覆盖变化(Land use/land cover change,LUCC)研究是全球变化研究的重要组成部分,进入新世纪以来,LUCC研究一直是地理学研究的前沿和热点问题。土地利用/土地覆盖变化作为全球变化的下垫面因子,被认为是引起全球变化及区域环境变化的主要原因。因此,土地利用/土地覆盖变化对区域生态环境的影响研究也成为实现区域可持续发展目标的关键问题。 土地利用/土地覆盖变化研究不仅需要大尺度的宏观研究,也需要中小尺度的研究加以配合。晋江是福建东南沿海地区经济快速发展的区域之一,与中国东南沿海经济繁荣带的其它地区有一定的相似性又有较大差异。因此,作为LUCC研究的特殊案例有一定的典型性和代表性。本文以晋江市作为研究区,利用遥感数据、土地利用详查数据、经济统计数据、水土流失普查数据等资料,在GIS支持下,对晋江市1988~2001年间的土地利用变化进行了研究,在此基础上,探讨了土地利用变化对区域土壤、水、大气等环境要素的影响。本研究成果不仅为大尺度土地利用/覆盖变化研究提供了互为佐证的地方性研究案例,也为晋江市土地利用优化策略的制定提供了科学依据。

【Abstract】 As one of the most important components of global change research, The study on land use/land cover change (LUCC) has been the frontier all the while after entering the new millennium. Land use/land cover change, which is the one of important influential factors to the environment on the ground, is regarded as the main cause of the global and regional environment change. As a result, how to understand the impact of land use/land cover change to regional ecological environment is the key problem for realizing the sustainable development of region.Land use/land covers change (LUCC) is an important content of global change research, it not only needs macroscopic research of big measure, but also needs the cooperation of little measure research. As a fast developing area, Jinjiang has certain similarity with other economic prosperous belts in Chinese southeast coast and has greater discrepancy with other domestic and international areas , and its internal discrepancy is also comparatively apparent. Therefore, as a special case of LUCC research, Jinjiang is certainly typical and representative, and is an ideal district forresearch in the viewpoint of land use/land cover change. Under the support of GIS, by making use of the remote sensed data, the land use map, statistical data suchas soil general data and field-measured data, the characters of land use change in Jinjiang city between 1988 and 2001 are analyzed in this thesis. Than, some preliminary studies on the impacts of land use change to regional soil erosion and regional eco-environment safety are made. The most important of this study is to support the foundation for the city of Jinjiang to formulate the policy of land use optimization.The study results not only provide regional research case that proof each other for big measure land use/land cover change, but also provide scientific basis for implement land sustainable utilization project of Jinjiang.

  • 【分类号】P208
  • 【被引频次】6
  • 【下载频次】1533
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