三峡库区生态屏障带划分与土地利用现状研究——以重庆市万州区为例
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Research on the Division of Ecological Barrier Belts and Land Exploitation Situation in Three Gorges Reservoir Area---Taking Wanzhou District of Chognqing as an Example
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    摘要:

    三峡水利工程带来的社会、经济和环境问题已引起全国乃至全世界的关注,库区屏障带是该区人地矛盾最为突出的区域。研究以重庆市万州区为例,利用TM遥感影像数据以及DEM数据,提取1995-2008年三峡水库蓄水前后的水热变化线,结合GIS支持下的山脊线提取,对生态屏障带综合划分进行了研究,并分析屏障带内坡度分布和土地利用现状。结果表明:三峡水库蓄水后,三峡水库两岸地表亮温和和地表湿度受水库水位上升的影响,其影响范围为库区两岸30km以内;划定的万州区屏障带范围主要为三峡水库水位线南北35km以内,其总面积为221

    Abstract:

    The social,economic and environmental proBlems brought by Three Gorges Water Conservancy Project have been concerned by the whole China and the world,and the barrier belt in the Reservior area is the area which causes most contradiction between land and local residents.Taking Wanzhou District of Chongqing as an example,this paper uses TM remote sensing image data and DEM data to extract hydrothermal change line before and after Three Gorges Reservoir retained water during 1995-2008,conducts research on comprehensive division of ecological barrier based on ridge line extraction under GIS support and analyzes slope distribution and land exploitation situation in barrier belts.The results show that after the Reservoir retained water,the temperature level and humidity level of the two banks of the Reservoir are affected by the rise of the water level in the Reservoir,that the affected area includes inside 30 km of the two banks of the Reservoir,that prescriptive barrier belt scope of Wanzhou District mainly covers inside 30 km of the two banks of the Reservoir,that prescrilptive barrer belt scope of Wanzhou District mainly covers inside 35km in the south bank and the north bank of the Reservoir water level,its tota area is 2215 km2 and the barrier belts 64.2 percent of the total area,that unreasonable land exploitation exists in brrier belt of Wangzhou District,and that the slope planting land and constructing land in the District is easily breaking the ecologcal environment which is originally very vulnerable and which derectly threatens the operation of the Reservoir.This research result can provide reference for comprehensive research on barrier belt of Three Gorges Reservoir area.

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周启刚,张叶,杨霏,陈丹,陈倩,张晓媛.三峡库区生态屏障带划分与土地利用现状研究——以重庆市万州区为例[J].重庆工商大学学报(自然科学版),2012,29(11):65-72
ZHOU Qi-gang, ZHANG Ye, YANG Fei, CHEN Dan, CHEN Qian, ZHANG Xiao-yuan. Research on the Division of Ecological Barrier Belts and Land Exploitation Situation in Three Gorges Reservoir Area---Taking Wanzhou District of Chognqing as an Example[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2012,29(11):65-72

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