Based on analysis of the reflection spectrum and backscattering characteristics of typical land canopies,the Chongming eastern tidal flat of Yangtze River Estuary,as a typical case,is chosen for study of data fusion from ERS-2 SAR and Landsat ETM+ observations.The ERS-2 SAR data are firstly filtered by the wavelet method and extraction of the image texture.The Landsat ETM+ data is treated using the HIS transformation.Two images are fused on the level of the characteristics class,and the information extracti...