Emmanuel Junior Budukumah, University of Florida, School of Forest, Fisheries, and Geomatics Sciences (FFGS), Gainesville, United States, Chunli Dai, University of Florida, School of Forest, Fisheries, and Geomatics Sciences (FFGS)., Gainesville, United States, Bretwood M Higman, Ground Truth Alaska, Seldovia, United States, Qingyu Sui, Southern Methodist University, Dallas, TX, United States, Zhong Lu, Southern Methodist University, Roy M Huffington Department of Earth Sciences, Dallas, United States, Ian M Howat, Byrd Polar and Climate Research Center, Ohio State University, Columbus, OH, United States and Sam McColl, GNS Science, Lower Hutt, New Zealand