Studies on character and variation of land cover/land use become more and more important in geographical and ecological research. Vegetation index and surface temperature are important parameters to describe characters of land covers. More useful information will be created by integrated analyses of these two kinds of data together, which will help us to find out main principles of the temporal and spatial variation of land cover/land use. The paper focused on physical connotation and ecological meaning of the vegetation index-surface temperature feature space, analyzed temporal variation of different type of land covers in this feature space using NOAA AVHRR remote sensing data, and did much site work on relationship between water index and winter wheat yield in the Huang Huaihai campagna. Following views have been set forth and tested based on these data: (1) Large area and long time serials land surface parameters could be retrieved from remote sensed information; (2) Different types of land covers have different characters in the vegetation index-surface temperature feature space; (3) Water index, derived from vegetation index and surface temperature, is turned out to be a good indicate of growing situation of crops.
JIANG Dong, WANG Nai bin, YANG Xiao huan, LIU Hong hui
. Ecological Connotation and Application of the Vegetation Index-Surface Temperature Feature Space[J]. PROGRESS IN GEOGRAPHY, 2001
, 20(2)
: 146
-152
.
DOI: 10.11820/dlkxjz.2001.02.007
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