Pengwang Zhai¹, Yongxiang Hu², Bryan A Franz³, Jeremy Werdell³ and Emmanuel Boss⁴, (1)University of Maryland Baltimore County, Baltimore, MD, United States, (2)NASA Langley Research Center, Hampton, VA, United States, (3)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (4)University of Maine, School of Marine Science, Orono, ME, United States