is the permafrost melting in alaska
The chilling science on Alaska’s melting permafrost. Up to a quarter of the permafrost that lies just under the ground surface in Alaska could thaw by the end of the century, releasing long-trapped carbon that could make its way into the atmosphere and exacerbate global warming, a new study finds. 1  Polygonal lakes created by melting permafrost on Alaska’s North Slope.NASA.
The higher elevations of the mountains of the Alaska Range remain snow-covered throughout the summer months. The peaks of Granite Mountain are usually free of snow by early June. Granite Mountain, also in the Alaska Range, is 5,815 feet high and extends NW 15 miles from Gerstle River, 20 miles SE of Delta.he Alaska Range (a portion near Delta shown above) extends 650 miles in an arc from Lake Iliamna at the southwest end to White River in Canada at the southeast end. The highest point of the Alaska Range is Mount McKinley (Denali), the highest peak on the North American continent, at 20,320 feet.