A study led by the U.S. Geological Survey and the University of Wyoming found that increased westward ice drift in the Beaufort and Chukchi seas requires polar bears to expend more energy walking eastward on a faster moving “treadmill” of sea ice. These findings represent the first assessment of the consequences of changing drift rates […]
Earlier this year Arctic sea ice sank to a record low wintertime extent for the third straight year. Now NASA is flying a set of instruments north of Greenland to observe the impact of the melt season on the Arctic’s oldest and thickest sea ice. Operation IceBridge, NASA’s airborne survey of polar ice, launched a […]
ANCHORAGE, AK – The State of Alaska Division of Homeland Security and Emergency Management (DHS&EM) is assisting communities in preparation for breakup along Alaska’s major river systems this spring. Breakup is a time of both excitement and anxiety. Residents anticipate the ability to travel along the rivers, but are also concerned with the threat that […]
Polar bears are listed as a threatened species as the ice-covered ocean they depend on for hunting and transportation becomes scarce. Changes in the Arctic Ocean are also affecting the humans who have called this area home and hunted across the landscape for thousands of years. Research from the University of Washington, the U.S. Fish […]