Bare Areas (IMAGE) Columbia Climate School Caption Some 7 percent of Antarctica is covered by wind-scour zones (green) where snow is persistently swept away by high-powered winds. Credit Courtesy Indrani Das et al. 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.