Canada

around Trail Valley Creek from Polar 5 Thaw slump on the edge of a lake in Canada due to thawing permafrost Yukon River Yukon Five-Finger-Rapids Richards Mountains from dempster highway

Lena-Delta-August-2018

Kurungnakh again. A fresh thermo erosional opening Measuring the lowering of the soil because of the permafrost thaw at a longterm subsidence station Team Ergebnisse Aktuelles Fernerkundung Kohlenstoff Expeditionen

SoboSiseBykovsky-2015-08

ice-wedge ground-ice bodies constitute the 25 m high and more than kilometer long Yedoma cliff Permafrost thaw at the cliff edge Sunset with seagull Jacob's-ladder with bumblebee Forget-me-not (myosotis [...] coalesced alases surrounded by eroding yedoma uplands Sampling of peat horizons for reconstruction of permafrost thaw history Tundra walk with sledge, samples, shovel, and gas drill Active layer measurements

Team

Guido Grosse Arctic permafrost landscape dynamics and Earth System feedbacks Permafrost coring in the Fish Creek Delta, North Alaska (Photo: Alfred Wegener Institut) Arctic permafrost landscapes change rapidly [...] of rapid permafrost thaw processes. I am also overseeing the establishment of the new Arctic Permafrost Geospatial Center (APGC) that is planned as a focus point for distribution of permafrost-related [...] Geo-informatics, land-surface dynamics, permafrost Dr. Josefine Lenz Working title of PhD project: Permafrost and landscape dynamics in Central Beringia Permafrost landscapes are very dynamic and influenced

Methane

thawing in permafrost regions, e.g. in Sibiria. CH4 introduces a significant feedback mechanism to the climate change problem, as global warming leads to a poleward retreat of vast permafrost regions in

Central-Yakutia-2015-03

Expedition Central Yakutia 2015 Permafrost core description Coring Permafrost Coring permafrost Packing permafrost cores Coring through a frozen thaw lake Ice road down the river Lena Pingo in Central

SoboSiseBykovsky-2014-08

Expedition Sobo-Sise and Peninsula Bykovsky 2014 description of a permafrost core field camp on Sobo-Sise inspection of a possible sampling site romantic midnight atmosphere on the shore of the river Lena [...] team on Bykovsky drilling of a hole for temperature measurement Pingo on Bykovsky drilling in permafrost on Bykovsky ice sample Team Ergebnisse Aktuelles Fernerkundung Kohlenstoff Expeditionen PETA-CARB

Cooperations

Networks Permafrost Carbon Network: www.permafrostcarbon.org IPA Action Group Yedoma Carbon: ipa.arcticportal.org/images/stories/AG_reports/AG4_for_website.pdf PYRN (Permafrost Young Researchers [...] Institute of Earth Sciences Russia Northeast Science Station, Cherskii Dr. Sergei Zimov Mel'nikov Permafrost Institute, Russian Academy of Sciences, Siberian Branch, Yakutsk Dr. Alexandr Fedorov, Dr. Pavel

Carbon

Permafrost carbon Sampling a Yedoma cliff, Sobo Sise island, Lena Delta (Photo: Alfred Wegener Institut) Arctic landscapes, especially those underlain by permafrost, are threatened by climate warming and [...] cycle as greenhouse gases, which accelerate warming and inducing more permafrost thaw and carbon release. This loop is called permafrost–carbon feedback, and as this effect is strengthening itself, it is [...] ked a large amount of carbon. To assess the concern of a permafrost carbon feedback and to develop a better understanding of future permafrost-carbon dynamics, the PETA-CARB project aims at quantifying

GTN-P

Global Terrestrial Network for Permafrost (GTN-P) Link to GTN-P Project Website