Greenland mass balance from a combination of satellite altimetry and satellite gravimetry

Yuande Yang, Chinese Antarctic Center of Surveying and Mapping,Wuhan University, Wuhan, China, Fei Li, Chinese Antarctic Center of Surveying and Mapping;State Key Laboratory of Information Engineering in Survey, Mapping and Remote Sensing, Wuhan University, Wuhan, China and Cheinway Hwang, National Yang Ming Chiao Tung University, Department of Civil Engineering, Hsinchu, Taiwan