Abstract：The state of land use ban provide important basis for regional plan, crops layout,ecological environment protection,basin hydrological model establishment and flood control, etc. Four methods of land use survey using multiseasonal multispectral Landsat TMdata and the normalized difference vegetation index (NDVI) calculated from Landsat TMdata are discussed,in this paper. They are ①interpretation of TMfalse colour composite image composed by three optimal band TMimages; ②mixed cluster classification (MCC) using optimal band TMimages; ③interpretation of NDVIfalse colour image composed by optimal seasonal NPVIimages ; ④MCCusing optimal seasonal NDVIimages. Applied these methods to land use survey in an experimental area of Chu County, Anhui province, it shows that land use types can be surveyed efficiently by using these four methods in the same time.
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1993, Vol. 5 
