• Yedoma Permafrost Landscapes

    Yedoma Permafrost Landscapes as Past Archives, Present and Future Change Areas The Research Topic „Yedoma permafrost landscapes as past archives, present and future change areas” was published in Frontiers [...] this Yedoma Research Topic represent a broad view on current know-ledge in permafrost research with respect to Yedoma permafrost landscapes. Since about 150 years research was undertaken to highlight the [...] Frontiers in Earth Science in July 2022. Ice-rich permafrost deposits of late Pleistocene age (Yedoma Ice Complex) covered several million km² of the Arctic main land between the Taymyr Peninsula and the Yukon

  • Permafrost Archives

    stages were the long-range periods of permafrost aggradation. Interglacial periods were characterized by extensive permafrost degradation. Circum-arctic Permafrost dynamics and Quaternary environmental [...] Permafrost Archives Development, stability and degradation of permafrost have strongly been connected with natural climate fluctuations of cold and warm periods during the Quaternary earth history of the [...] for three decades. Characteristics of frozen sediments and ice structure therein inform how the permafrost deposits have been formed and transformed. Ice wedges can say something about the composition of

  • Submarine Permafrost

    Profile submarine permafrost (Foto: Volker Rachold /AWI) (Photo: Alfred Wegener Institut) What is submarine permafrost? Subsea permafrost in the Arctic is generally relict terrestrial permafrost, inundated after [...] Why is it important? Submarine permafrost is similar to its terrestrial counterpart, but lies beneath the coastal seas. And as with terrestrial permafrost, subsea permafrost is a substantial reservoir and/or [...] of submarine permafrost and the influence of future climate system changes on submarine permafrost. Key lines of inquiry include: seasonal and interannual variability of sea floor permafrost boundary conditions

  • Permafrost

    the permafrost – with a host of grave consequences. Typical permafrost landscape in Yukon, Canada (Photo: Alfred-Wegener-Institut) What does permafrost look like? Some landscapes in the permafrost regions [...] Can permafrost only be found on land? How deep does the permafrost go? To what depth does it thaw in summer? Why is thawing permafrost important for the climate? How much carbon does the permafrost contain [...] How fast is the permafrost thawing? Why are permafrost coasts increasingly collapsing? How is the thawing permafrost affecting people living in these regions? How is the thawing permafrost affecting economies

  • Lesson_Plan_Permafrost_in_the_Arctic_Nov2020.pdf

    Forever frozen? Permafrost in the Arctic In story 1 students receive basic knowledge about permafrost and the consequences of climate change for permafrost. The importance of permafrost research is explained [...] changed in the Arctic over the last decades? What is permafrost? How does thawing permafrost affect the Arctic environment? How does thawing permafrost affect Arctic infrastructure? The main goal of this [...] and learn about permafrost in the Arctic and the effect of degrading permafrost on the Arctic environment. The focus lies on the complex interactions between men, nature and permafrost and resulting conflicts

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  • Putting permafrost in the classroom

    Putting permafrost in the classroom The Arctic’s permanently frozen soils are increasingly thawing – with far-reaching consequences for the climate and for people living in the region. Together with partner [...] schoolchildren from Aklavik, Canada are helping the Alfred Wegener Institute gather valuable data on permafrost. By doing so, they’re improving the joint understanding of the changes at work on their doorstep [...] has consequences for the day-to-day lives of the roughly five million people who live atop the permafrost. Entire sections of coastline are washed away by the sea, while elsewhere the ground collapses

  • Permafrost Long-term Observatories

    Permafrost Long-term Observatories Our long-term observatories collect weather, soil and permafrost data at various measuring stations in Siberia (Lena river delta, Samoylov), Canada (Trail Valley Creek [...] indicates the significance of the slope (MannKendall test). Data, publications and information from the Permafrost LTO's. LTO Samoylov LTO-Trendviewer LTO Bayelva

  • Permafrost Resources

    the subject of permafrost tell stories about living and working on and with permafrost. This series of videos with comics and animations explains what permafrost is what effect permafrost thaw has on the [...] science and wrote a eulogy for permafrost for the year 2322, in which she looks back at how we treated or rather neglected permafrost over the past 300 years. CT scan of a permafrost core Analysis Videos The [...] Brandenburg. Degradation of cold ice-rich permafrost: How do ice-rich permafrost respond to a warming climate? Online Presentation This presentation is part of the Permafrost Collaboration Team of the IARPC and

  • Permafrost Region Greenhouse Gases

    Permafrost Region Greenhouse Gases Profile Climate change affects many northern ecosystems such as wetlands, peatlands and permafrost soils, which store a lot of carbon and nitrogen in organic matter. [...] peatlands, wetlands, and permafrost soils. Our projects focus on carbon and nitrogen interactions, cold-season biogeochemical processes, methane emissions from northern wetlands, and permafrost dynamics in northern [...] published a paper with the title: Predicted vulnerability of carbon in permafrost peatlands with future climate change and permafrost thaw in Western Canada doi.org/10.1029/2020JG005872 12 March

  • Permafrost Change

    Project "Permafrost Change" For most people, permafrost is a distant phenomenon that seems to have little to do with their own lives, making it hard for them to relate to. With the help of the resources [...] people have the chance to see, hear, touch and smell permafrost, thanks to original archaeological artefacts from the Ice Age and hands-on permafrost experimentation boxes. More over visitors can use a [...] virtual permafrost world. Lastly, ‘before-and-after’ lenticular images, together with video and audio recordings from expeditions to the Arctic, will help illustrate the thawing of the permafrost, and the