1. National Research Council,Institute for Electromagnetic Sensing of the Environment,Milan,Italy
2. Université de Toulouse,LEGOS (CNES/CNRS/IRD/UPS),Toulouse,France
3. Plymouth Marine Laboratory,Plymouth,United Kingdom
4. University of Waterloo,Department of Geography and Environmental Management,Waterloo,Ontario,Canada
5. University of Reading,Meteorology Department,Reading,United Kingdom
6. ICUBE-SERTIT, Université de Strasbourg,Strasbourg,France
7. Collecte Localisation Satellite,Toulouse,France