Calculated Circulation Patterns (IMAGE) University of Hawaii at Manoa Caption Surface velocity vector and magnitude (in color) around the Hawaiian Islands on 25 March 2012 from simulation. Detailed circulation can be calculated where eddies dominate -- for example, in the lee of the Big Island. Credit D. Menemenlis of NASA-JPL. Usage Restrictions Image may only be used with appropriate caption and credit. 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.