Setting Out Instruments (IMAGE) University of Washington Caption A scientist assembles an ice-tethered water profiler on the ice in March. The instrument is now anchored in a hole in the sea ice, with a moving piece to measure the water properties below. Credit M. Ohmart, Univ. 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.