NOAA-AVHRR data processing for the mapping of vegetation cover

被引：19
|
作者：
Shimabukuro, YE
Carvalho, VC
Rudorff, BFT
机构：
[1] Brazilian Institute for Space Research—INPE, São José dos Campos, SP, 12201-970
来源：
INTERNATIONAL JOURNAL OF REMOTE SENSING | 1997年 / 18卷 / 03期
关键词：
D O I：
10.1080/014311697219006
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
The NOAA-AVHRR images have been widely used for global studies due to their low cost, suitable wavebands and high temporal resolution. Data from the AVHRR sensor (Bands 1 and 2) transformed to the Normalized Difference Vegetation Index (NDVI) are the most common product used in global land cover studies. The purpose of this Letter is to present the vegetation, soil, and shade fraction images derived from AVHRR, in addition to NDVI, to monitor land cover. Six AVHRR images from the period of 21 to 26 June 1993 were composed and used to obtain the above mentioned products over Sao Paulo State, in the south-east of Brazil. Vegetation fraction component values were strongly correlated with NDVI values (r = 0 . 95; n = 60). Also, the fraction image presented a good agreement with the available global vegetation map of Sao Paulo State derived from Landsat TM images.
引用
收藏
页码：671 / 677
页数：7
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