Study on the Spatio-Temporal Variations of Vegetation Fraction in Zoige Based on Remote Sensing Data

  • XU Yongming ,
  • ZHANG Yu ,
  • BAI Lin
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  • School of geography and remote sensing, Nanjing University of Information Science & Technology, Nanjing 210044, China;2. Key Laboratory of Surface Process and Climate Change in Cold and Arid Regions, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Science, Lanzhou 730000, China

Received date: 2014-11-07

  Online published: 2016-06-28

Abstract

As a comprehensive quantitative indicator of vegetation cover conditions,vegetation fraction is one of the important parameters in meteorological and ecological models.Based on the AVHRR NDVI from 1982 to 2006 and MODIS NDVI from 2000 to 2013,the 32-year long-term monthly NDVI dataset in Zoige Plateau was generated by data consistency correction.Then the monthly vegetation fraction in the plateau was calculated using the dimidiate pixel mode.Validation result gives a satisfactory accuracy with a mean absolute error of 10.51%,a root mean square error of 13.49%,and a R2

Cite this article

XU Yongming , ZHANG Yu , BAI Lin . Study on the Spatio-Temporal Variations of Vegetation Fraction in Zoige Based on Remote Sensing Data[J]. Plateau Meteorology, 2016 , 35(3) : 643 -650 . DOI: 10.7522/j.issn.1000-0534.2015.00040

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