Interannual variability of spatially averaged Greenland ice sheet elevation, shown as anomalies from the 11-year mean, 1992-2003. The data are aggregated into areas>1500 m elevation (red) and O. M. Johannessen, K. S. Khvorostovsky, M. W. Miles and L. P. Bobylev (2005): Recent ice sheet growth in the interior of Greenland. Science (In Press, and October 20, 2005 issue of Science Express).