Arctic Thaw Unleashes Ancient Carbon, Alters Water Systems
Arctic Thaw Unleashes Ancient Carbon, Alters Water Systems
US · Published Apr 5, 2026
The Arctic is undergoing significant changes due to thawing permafrost, impacting water systems and releasing ancient carbon.
A study on Alaska's North Slope reveals increased river runoff and carbon transport due to extended thaw seasons.
The Arctic's transformation has global implications for climate, sea levels, and the global water cycle.
Arctic permafrost thaw impacts hydrology and carbon cycle
A recent study from the University of Massachusetts Amherst highlights the profound changes occurring in the Arctic due to thawing permafrost. The research, published in *Global Biogeochemical Cycles*, focuses on Alaska's North Slope, an area comparable in size to Wisconsin, where rivers and streams drain into the Beaufort Sea. Analyzing 44 years of high-resolution model data, the study reveals increased runoff and carbon transport, with the thaw season now extending into late summer and fall.
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