Stream water study detects thawing permafrost
Thursday, May 6, 2010 - 09:11
in Earth & Climate
Among the worrisome environmental effects of global warming is the thawing of Arctic permafrost - soil that normally remains at or below the freezing point for at least a two-year period and often much longer. Monitoring changes in permafrost is difficult with current methods, but a study by University of Michigan researchers offers a new approach to assessing the extent of the problem...