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Dynamic Evaluation of Minqin Oasis Desertification

ZHAO Sheng-long et al (College of Geography and Environmental Science,Northwest Normal University,Lanzhou,Gansu 730070)  
With the 5 periods of TM images in the project area as data sources,the dynamic change of Minqin oasis desertification in 1991~2005 was studied.The results showed that the desertification of Minqin oasis showed not only in rapidly deepening of desertification degree,but also in rapidly development of desertification area.At last,the integrated control strategy of oasis desertification was proposed.
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