Mountain permafrost is warming and thawing worldwide due to climate change, with ground temperature being a key control of its mechanical stability. Heat conduction is the dominant mode of heat transfer in frozen ground, and thermal diffusivity governs the rate at which temperature changes propagate through the subsurface. Despite its relevance, there are few field-based estimates of thermal diffusivity.
Q&A: New method measures how quickly heat spreads through mountain permafrost
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