Yuanyuan Jia, Ohio State University Main Campus, Columbus, OH, United States, Philip Chu, NOAA, Great Lakes Environmental Research Laboratory, Ann Arbor, MI, United States, C.K. Shum, The Ohio State University, Division of Geodetic Science, School of Earth Sciences, Columbus, OH, United States and Jeonghwan Park, NOAA/NESDIS/STAR, College Park, MD, United States