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Remote Sensing Technology and Application  2009, Vol. 24 Issue (6): 777-783    DOI: 10.11873/j.issn.1004-0323.2009.6.777
    
Vegetation Indices Application of the Vegetation Information Extraction in the Yangtze River Estuary Tidal Flat
 LIU Yu,HAN Zhen,GUO Yong-fei
College of Marine Sciences,Shanghai Ocean University,Shanghai 201306,China
      
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Abstract  

This paper analyzed the reflectance spectrum data of the field measurement and Landsat TM reflectance spectrum data,taking the Chongmingdongtan tidal flat in the Yangtze River estuary as the study area.We found that the reflectance difference of vegetation was obvious in the NIR band,and the vegetation characteristics information was prominent which affected by water in the green band.Based on the above analyze results,we calculated nine typical vegetation indices,and put forward tri-band ratio vegetation index (TRVI) which adapted well to extract vegetation information in the study area.With this vegetation index,we extracted the typical objects by using decision tree classification.The result was satisfied.

Key words:             Vegetation indices      Wetland      Yangtze River estuary      Spectrum curve     
Received:  15 April 2009      Published:  06 January 2012
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LIU Yu
HAN Zhen
GUO Yong-Fei

Cite this article: 

LIU Yu, HAN Zhen, GUO Yong-Fei. Vegetation Indices Application of the Vegetation Information Extraction in the Yangtze River Estuary Tidal Flat. Remote Sensing Technology and Application, 2009, 24(6): 777-783.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2009.6.777     OR     http://www.rsta.ac.cn/EN/Y2009/V24/I6/777

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