Researchers say Kenai Peninsula permafrost thawing rapidly

Retired U.S. Fish and Wildlife researcher Ed Berg probes for permafrost on the Kenai Peninsula
(Photo: U.S. Geological Survey)Permafrost is thawing at a brisk rate across Alaska and the Kenai Peninsula is no exception.
A recent study estimates permafrost coverage on the peninsula has decreased by 60 percent since 1950.
Permafrost is usually associated with Northern and Interior Alaska, but it also occurs in isolated pockets in wetlands on the Kenai Peninsula.
Benjamin Jones is a research geograp