One consequence of thawing permafrost is the development of thermokarst (physical depression of ground surface) because of reduced support of overlying soil [Jorgenson et al., 2006]. Thermokarst lakes, for example, result from changes to surface energy balance, which drive permafrost thaw locally, ...
The thawing of permafrost can cause landslides and other sudden land collapses. It can also release long-buried microbes, as in a 2016 case when a cache of buried reindeer carcasses thawed and caused an outbreak of anthrax. One of the most dramatic effects of global warming is the reduction ...
Permafrost temperatures in areas of Alaska increased up to 1.5°C from the late 1980s to the mid 1990s [Osterkamp and Romanovsky, 1999], and rates of permafrost thawing in boreal Canada have accelerated significantly since the mid-twentieth century [Payette et al., 2004; Camill, 2005]. This...
Boreal forests comprise one third of the global forested area, and regulate the climate system via the carbon cycle and land-atmosphere energy exchange1,2,3. Recent unprecedented rates of climate warming and an associated increase in wildfire frequency, severity and size4,5have the potential to p...
greenhouse gas release from thawing permafrost30,31, while strong cooling effects in Eurasia, between 60°N and 80°N, may protect permafrost from thawing or reduce methane emissions from wetlands. Therefore, the biophysical effects of bioenergy crop cultivation do not only alter global temperature ...
International Conference on Green Computing, Communication and Conservation of Energy (ICGCE) 17–22. https://doi.org/10.1109/ICGCE.2013.6823392 Dore G, Niu F, Brooks H (2016) Adaptation methods for transportation infrastructure built on degrading permafrost. Permafrost Periglac Process 27(4):352...
The thawing of the Arctic permafrost would accelerate, releasing centuries of frozen greenhouse gases. The chain reaction of increased heating and thawing would be unstoppable. The thawing ground would also release twice as much toxic mercury as the rest of all soils, atmosphere, and ocean combined...
cycling of S, Fe and C which controls the concentration of principal HgIIligands. Permafrost thawing has recently been highlighted as a process potentially leading to large regional increases in MeHg formation (Schaefer et al.2020; Tarbier et al.2021). The increase is driven by increased ...
Overall, our study showed that, independent of soil type, permafrost carbon in a relatively aerobic upland ecosystems may have a greater effect on climate when compared with a similar amount of permafrost carbon thawing in an anaerobic environment, despite the release of CH4 that occurs in ...
Projected climate warming over the next century will likely drive widespread thawing of near-surface permafrost and mobilization of soil C from deep soil horizons. However, the processes controlling soil C accumulation and loss following permafrost thaw are not well understood. To improve our ...