Tri-Decadal Global Landsat Orthorectified Enhanced ETM+ Pan-sharpened Single Scene: 1999-2003

The USGS Earth Resources Observation and Science (EROS) Center archive holds data collected by the Landsat suite of satellites, beginning with Landsat 1 in 1972. All Landsat data held in the USGS EROS archive are available for download at no charge.

美国地质调查局（United States Geological Survey，USGS）地球资源观测与科学（Earth Resources Observation and Science，EROS）中心档案馆，馆藏了陆地卫星（Landsat）系列卫星采集的全部数据，观测工作始于1972年发射的陆地卫星1号（Landsat 1）。该档案馆所收录的所有陆地卫星数据均可免费下载。