Walker Circulation (IMAGE) University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science Caption Walker Circulation is illustrated. Credit NOAA <a target="_blank"href="http://Climate.gov">Climate.gov</a> 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.