AGAP MAP (IMAGE) Columbia Climate School Caption Scientists flew geophysical instruments over a California-size part of the East Antarctic ice sheet in order to image what lies below. Credit Michael Studinger/Lamont-Doherty Earth Observatory Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.