[1] Univ Aegean, Dept Marine Sci, Univ Hill, Lesvos 81100, Greece
[2] German Aerosp Ctr DLR, Remote Sensing Technol Inst, Fallturm 9, D-28359 Bremen, Germany
[3] Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China
[4] Fdn Res & Technol, Inst Appl & Computat Math, Remote Sensing Lab, N Plastira 100, Iraklion 70013, Crete, Greece