Analysis. R. Li, W. Wang, M. Tang, P. Tang, A. Coates, J. P. Muller, A. Griffiths, G. Paar, and J. Oberst. Mapping and GIS Laboratory, CEEGS, The Ohio State University, 470 Hitchcock Hall, 2070 Neil Avenue, Columbus, OH 43210-1275, li.282@osu,edu, Mullard Space Science Laboratory, Department of Space and Climate Physics, University College London, London, UK, Institute of Digital Image Processi...