Possible Satellite Data Sources Chris Elvidge NOAA-NGDC January 22, 2008
NASA Landsat Geocover Global coverage from year /-. Freely available from University of Maryland Global Land Cover Facility. 30 meter resolution multispectral 10 meter panchromatic band Orthorectified
NASA Landsat Geocover Maine Coast USA
Japan AIST ASTER Global coverage from year 2xxx +/-. 15 meter resolution multispectral. Orthorectified Use proposals reviewed by AIST
AIST ASTER Maine Coast USA
Virtual Globes Google Earth – copyright / use restrictions. Yahoo Maps ( has use agreement established with open street map. Microsoft virtual earth – copyright / use restrictions. Others
Open Street Map Successful GPS based system generating open source street and road data. Substantial volunteer effort in Europe. Has editing and labeling tools. Has use agreement with Yahoo maps for access to aerial photography and satellite imagery.