A Caribou (IMAGE) University of Massachusetts Amherst Caption A caribou atop cliff bluffs that are eroding into a coastal lagoon along the Beaufort Sea on the North Slope of Alaska. A new analysis of the changing character of runoff, river discharge and other watershed features on the North Slope of Alaska reveals significant increases in the proportion of subsurface runoff and cold season discharge. Credit UMass Amherst/M. Rawlins Usage Restrictions None 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.