http://glcf.umd.edu/data/ 数据包括LandsatTMAboutGLCFTheGlobalLandCoverFacility(GLCF)providesearthsciencedataandproductstohelpeveryonetobetterunderstandglobalenvironmentalsystems.Inparticular,theGLCFdevelopsanddistributesremote...