Advances in Earth Science ›› 2011, Vol. 26 ›› Issue (3): 266-274. doi: 10.11867/j.issn.1001-8166.2011.03.0266

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Uncertainty of Remotely Sensed Extraction of Information of Karst Rocky Desertification

Yue Yuemin 1,4, Wang Kelin 1,4, Zhang Bing 2, Liu Bo 3, Chen Hongsong 1,4, Zhang Mingyang 1,4   

  1. 1. Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha410125, China;
    2. Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing100080, China;
    3. State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing100101, China;
    4. Huanjiang Experimental Station of Karst Ecosystem, Chinese Academy of Sciences, Huanjiang547100, China
  • Received:2010-08-07 Revised:2010-11-24 Online:2011-03-10 Published:2011-03-10

Yue Yuemin, Wang Kelin, Zhang Bing, Liu Bo, Chen Hongsong, Zhang Ming. Uncertainty of Remotely Sensed Extraction of Information of Karst Rocky Desertification[J]. Advances in Earth Science, 2011, 26(3): 266-274.

Karst rocky desertification is the most serious problem of land degradation in karst regions, southwest China. Because of the inherent merits of remote sensing, it is the inevitable method to assess and monitor the degree and extent of karst rocky desertification at large scale. This article firstly reviewed the complexity of karst eco-geo-environmental conditions. Then it focused on the issues of the limitations of remote sensing data and existing methods, validation, and the fundamental reasons for uncertainties of remotely sensed extraction of karst rocky desertification. At last, this article presented and suggested that the new trends of remotely sensed monitoring karst rocky desertification. 

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