基于数字遥感图像的艾比湖绿洲近30年动态变化研究
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国家自然科学基金项目(40261006);新疆自治区高校科研计划项目(XJEDU2004I06,XJEDU2005I07);教育厅创新研究群体基金项目(XJEDU2004G04)


A Study on Change of the Ebinur Lake Oasis in Recent Thirty Years Based on Digital RS Images
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    摘要:

    艾比湖绿洲位于新疆北部古尔班通古特沙漠西缘,天山北坡绿洲带(新疆最重要的经济带)上游,是新疆重要的农业区和棉花基地。采用1972年MSS,1990和2001年TM和ETM遥感影像为数据源,对其进行目视判读,以人机交互方式进行分类得出其分类图和土地利用转移矩阵,并分析了艾比湖绿洲近30a绿洲动态变化情况。结果表明,1972-2001年的近30a期间,艾比湖绿洲在外观特征和分布上均有显著变化,面积也有明显扩张。尤其是1990-2001年的11a间,绿洲变化更为显著。同时,艾比湖绿洲面积扩大的同时面临着原有的自然生态平衡被打破,荒漠化和绿洲化的冲突加剧等一系列生态环境问题。

    Abstract:

    The Ebinur Lake Oasis is located in the north of Xinjiang Wei Autonous Region, the west of Gurbantonggut desert. It is one of the most important agricultural regions and cotton bases in Xinjiang. Based on visualinterpretation of MSS, TM and ETM digital images in 1972, 1990 and 2001, a classification map and a landuse conversion mat rix are obtained by human-machine interaction classification, and dynamic change of the oasis in recent 30 years is studied. The result shows that both appearance characters and dist ribution area of the oasis have changed greatly, and the oasis area has been enlarged. Especially during the 11 years from 1990 to 2001, the oasis changed much more obviously than previous time. With the expansion of oasis, it has been also conf ronted with some ecological and environmental problems at the same time, i.e., the balance of primary nature is dest royed,and the confliction between desertification and oasis is protruded more obviously.

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王伯超,塔西甫拉提·特依拜,张飞,何祺胜,丁建丽.基于数字遥感图像的艾比湖绿洲近30年动态变化研究[J].水土保持通报,2007,(2):107-111,118

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  • 收稿日期:2006-09-14
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  • 在线发布日期: 2014-11-26
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