Abstract
Multitemporal NOAA/AVHRR NDVI images and monthly temperature and precipitation data were obtained across Yangtze River basin covering the period 1981–2001. The spatial and temporal patterns of NDVI are the same, while spatial analysis shows that the NDVI is influenced by the vegetation types growing in the study regions, and NDVI presents an increasing trend during the study period in the whole basin. The climate indicators play an important role in the changes of vegetation cover in the river basin. In the two Indicators, temperature has a significant effect on the NDVI values than precipitation in the whole basin. However, in the 11 subbasins, the different rules are shown in different subbasins.
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Supported by the National 973 Program of China(No.2006CB701300); the Program for Changjiang Scholars and Innovative Research Team in University (No. IRT0438); the China/Ireland Science and Technology Collaboration Research Fund.
ZHANG Li, interested in watershed remote sensing, now doing research in Poyang Lake watershed to monitor its wetland and vegetation variation.
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Zhang, L., Chen, X., Cai, X. et al. Spatial-temporal changes of NDVI and their relations with precipitation and temperature in Yangtze River basin from 1981 to 2001. Geo-spat. Inf. Sci. 13, 186–190 (2010). https://doi.org/10.1007/s11806-010-0339-1
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DOI: https://doi.org/10.1007/s11806-010-0339-1