Under ice channel (IMAGE) Estonian Research Council Caption The glacial meltwater channels going under the ice are exceedingly difficult to study. The fast water flow and instability of the icy environment makes it extremely hard to take measurements in the channels. The researchers in Estonia and Norway are working on making it possible. Credit Dr Andreas Alexander Usage Restrictions none License Original 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.