2:35 PM - 2:50 PM
*Jean-Claude Roger1,2, Eric Vermote2, Sergii Skakun1,2, Belen Franch1,2, Georgia Doxani4, William Rountree1,2, Ferran Gascon4, chris justice1, oleg dubovik3, Brent holben2 (1.University of Maryland, College Park, USA, 2.NASA Goddard Space flight Center, Greenbelt, USA, 3.LOA, University of Lille, Villeneuve d'Ascq, France, 4.ESA, Frascati, Italy)