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The Study about Application and Vegetation Index Model of Vegetation Based on EOS/MODIS

Author: DuGang
Tutor: ZhangQiuWen；FuBiTao
School: Huazhong University of Science and Technology
Course: System Analysis and Integration
Keywords: Vegetation Index Vegetation Monitoring NDVI Multi- timing MODIS
CLC: TP79
Type: Master's thesis
Year: 2005
Downloads: 701
Quote: 8
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Abstract


Previous research results to the main vegetation index on the basis of analysis of the the vegetation indices principle and vegetation spectral reflectance characteristics , the various the main vegetation index model for vegetation monitoring the analogy , and the normalized difference vegetation index ( NDVI) model , the focus of analysis. On this basis , combined with the Moderate Resolution Imaging Spectroradiometer (MODIS) data features , large tracts of woodland and Shunyi District of wheat around the Miyun Reservoir in Beijing , as well as the desert of western Qinghai and Hainan Island, eastern evergreen broad-leaved forest MODIS , the second channel is selected data to study the variation in the red band and near-infrared bands of MODIS sensor data . Derived based on MODIS data model normalized difference vegetation index ( MODIS -NDVI ) . And different periods of cloudless select the Hubei Shenlongjia region MODIS and AVHRR image data , respectively MODIS-NDVI and AVHRR-NDVI comparative study . MODIS 1B data in the second part of this article , after pretreated achieve MODIS-NDVI by HDF file . Next 2004 Inner Mongolia grassland , evergreen broadleaf forests of eastern Hainan and Qinghai Province, the western desert year MODIS-NDVI data , monitoring of MODIS-NDVI vegetation and soil cover type characteristics , results suggest that based on MODIS-NDVI time series on the growth of the vegetation types change a good description . In the last part of this paper , the use of MODIS-NDVI vegetation index monitoring reeds growing in Dongting Lake and Dongting Lake reed growth range were extracted . Experimental results show that the inter-annual variation of MODIS-NDVI and Dongting Lake reed growth law is very consistent MODIS-NDVI vegetation index monitoring Dongting Lake reed growing . On this basis , the use of reed vegetation index changes based on timing , extraction of the Dongting Lake reed growth , final results are consistent with the the TM measured data contrast , .

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