LA times: Accelerated melting of buried ice in a dry valley of Antarctica may be a harbinger for widespread thawing of permafrost at Earth's far latitudes as worldwide climate patterns change, according to a new study.
The tenfold increase from ancient melt rates evident in a dry valley near McMurdo Bay over little more than a decade comes despite a local two-decade cooling trend.
Cliff-face measurements of the buried ice in the four-mile-long Garwood Valley revealed melt rates that shifted from a creeping...