Elevation-change rate (cm/year) from 1992 to 2003 for 8.5 million square kilometres of the grounded Antarctic ice-sheet interior, based on ERS radar altimeter data. Results are shown in 1º x 2º (latitude x longitude) regions, and boundaries of major drainage basins are superimposed.
C.H. Davis, Y. Li, J.R McConnell, M. M. Frey, E. Hanna, Science 308, 1898 (2005); published online 19 May 2005 (10.1126/science.1110662)