Internal Tides Graph (IMAGE) University of Washington Caption The blue line is changes in travel time for internal tides along the Cape Verde path in the Atlantic Ocean. Shading indicates the 95% confidence interval. The red line shows ocean heat content changes measured from Argo floats in that region. Credit Zhongxiang Zhao/University of Washington Usage Restrictions With 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.