Coastal sea level (IMAGE) Woods Hole Oceanographic Institution Caption The new study uses a method of tracking the strength of near-shore ocean currents from a distance via measurements of coastal sea level. Credit (Photo by Carol Anne Clayson, ©Woods Hole Oceanographic Institution) 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.