1. IGN LAREG; University Paris Diderot, Sorbonne Paris Cité; Paris France
2. IGN DRE; Saint-Mandé France
3. IPGP UMR 7154 CNRS; University Paris Diderot, Sorbonne Paris Cité; Paris France
4. Department of Atmospheric and Environmental Sciences; State University of New York at Albany; Albany, New York USA
5. NCAR EOL; Boulder Colorado USA
6. Remote Sensing Systems; Santa Rosa California USA