Possible Satellite Data Sources Chris Elvidge NOAA-NGDC January 22, 2008.

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Presentation transcript:

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.