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干旱区科学
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Evaluation of oasis stability in the lower reaches of the Tarim River
Chao LENG, YaNing CHEN, XinGong LI, YanXia SUN
1 Key Laboratory of Oasis Ecology and Desert Environment, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 3 Department of Geography, University of Kansas Lawrence, KS 66045, USA
Evaluation of oasis stability in the lower reaches of the Tarim River
Chao LENG, YaNing CHEN, XinGong LI, YanXia SUN
1 Key Laboratory of Oasis Ecology and Desert Environment, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 3 Department of Geography, University of Kansas Lawrence, KS 66045, USA
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摘要 Oasis stability in the lower reaches of the Tarim River was assessed at the landscape scale (including changes in landscape pattern and land use in the oasis) and at the regional scale (including the cold-island effect and NDVI of the oasis) based on the methods of landscape ecology, GIS and Remote Sensing (RS). Thematic Mapping (TM) remote sensing images from 1990, 2000 and 2009 were employed along with the related meteorological and hydrological data pertaining to the reclamation area of the oasis in the lower reaches of the Tarim River. The results indicated that landscape heterogeneity and oasis complexity increased between 1990 and 2000. The comprehensive index of the degree of land use, the average index of the cold-island effect, NDVI value and oasis stability all decreased. However, the change trends in the indices referred to above were opposite between 2000 and 2009, and oasis stability was enhanced to some extent.
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Chao LENG
YaNing CHEN
XinGong LI
YanXia SUN
关键词:  soil physical and chemical properties  Robinia pseudoacacia  Gilgit-Baltistan    
Abstract: Oasis stability in the lower reaches of the Tarim River was assessed at the landscape scale (including changes in landscape pattern and land use in the oasis) and at the regional scale (including the cold-island effect and NDVI of the oasis) based on the methods of landscape ecology, GIS and Remote Sensing (RS). Thematic Mapping (TM) remote sensing images from 1990, 2000 and 2009 were employed along with the related meteorological and hydrological data pertaining to the reclamation area of the oasis in the lower reaches of the Tarim River. The results indicated that landscape heterogeneity and oasis complexity increased between 1990 and 2000. The comprehensive index of the degree of land use, the average index of the cold-island effect, NDVI value and oasis stability all decreased. However, the change trends in the indices referred to above were opposite between 2000 and 2009, and oasis stability was enhanced to some extent.
Key words:  soil physical and chemical properties    Robinia pseudoacacia    Gilgit-Baltistan
收稿日期:  2010-10-22      修回日期:  2011-01-26           出版日期:  2011-06-07      发布日期:  2011-06-07      期的出版日期:  2011-06-07
基金资助: National Basic Research Program of China (2010CB951003); National Natural Science Foundation of China (40901061); Key Topics in Innovation Engineering of the Chinese Academy of Sciences (KZCX2-YW-Q10-3-4); Western Talent Cultivation Plan (XBBS200907)
通讯作者:  YaNing CHEN    E-mail:  chenyn@ms.xjb.ac.cn
引用本文:    
Chao LENG, YaNing CHEN, XinGong LI, YanXia SUN. Evaluation of oasis stability in the lower reaches of the Tarim River[J]. 干旱区科学, 10.3724/SP.J.1227.2011.00123.
Chao LENG, YaNing CHEN, XinGong LI, YanXia SUN. Evaluation of oasis stability in the lower reaches of the Tarim River. Journal of Arid Land, 2011, 3(2): 123-131.
链接本文:  
http://jal.xjegi.com/CN/10.3724/SP.J.1227.2011.00123  或          http://jal.xjegi.com/CN/Y2011/V3/I2/123
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