*Eric Vermote1, Sergii Skakun1,2, Jean-Claude Roger1,2 (1.NASA Goddard Space Flight Center, 2.University of Maryland, Dept. of Geographical Sciences)
convener:Jean-Claude Roger(University of Maryland College Park), Shinichi Sobue(Japan Aerospace Exploration Agency), Eric Vermote(NASA Goddard Space Flight Center), Ferran Gascon(European Space Agency)