3D Map of Ross Sea Floor (IMAGE) Louisiana State University Caption LSU Geology & Geophysics Professor Phil Bart led a team of scientists to 3D map the sea floor to find out how and when the West Antarctic Ice Sheet (outlined in white) moved and changed over the past 14,000 years. Credit Phil Bart, LSU 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.