needleleaf classes and permafrost extent after Kotlyakov and Khromova: Land Resources of Russia – Maps of Permafrost and Ground Ice, Version 1, NSIDC 2002) Boreal forests in permafrost regions make up around [...] vegetation – permafrost dynamics can have a potentially high impact on the numerous feedback mechanisms between the two ecosystem components. Increased soil carbon release from thawing permafrost through the [...] to understand how the interactions between the vegetation, permafrost and the atmosphere stabilize the forests and the underlying permafrost. A one-dimensional land surface model (CryoGrid) is adapted
of permafrost characteristics. In addition to their remoteness and difficult accessibility, all of them are vulnerable to rapid external disturbances due to the presence of very ice-rich permafrost close [...] characteristics of the surrounding permafrost because of the high heat storage capacity of water. A comprehensive inventory of thermokarst lakes in ice-rich permafrost and the documentation of current lake [...] not only very exciting visually but convey important scientific information on the stability of permafrost and changes in the northern the carbon cycle. The Siberian and Alaskan key study regions of the
including these highly dynamic permafrost environments in future permafrost carbon estimations. Link to journal Carbon and nitrogen pools in thermokarst-affected permafrost landscapes in Arctic Siberia Top: [...] order to account for high variability of permafrost and thermokarst environments in pan-permafrost soil C and N pool estimates. Link to journal Deep Yedoma permafrost: A synthesis of depositional characteristics [...] observed in permafrost regions of Eurasia and North America. Link to journal Tundra fires destabilize permafrost Comparison between the two airborne LiDAR datasets showing clear permafrost terrain subsidence
"Carbon in Deep Permafrost" at the 2 nd Asian Conference on Permafrost (ACOP2017), held in Sapporo, Japan. 5.-8. June 2017 Guido, Frank and Anne participated in the Pushchino Permafrost Conference «Earth's [...] change and permafrost degradation in the Arctic at the Klimawerkstatt Spandau . 30. November - 1. December 2018 Loeka, Clara and Josefine take part in the 10th meeting of the working group permafrost oft he [...] embarked on a long and successful journey to better understand and quantify the role of permafrost carbon and rapid permafrost thaw for the carbon cycle. We thank all who contributed to this effort! Many important
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
Spitsbergen. We had two main goals: Firstly, we maintained the Bayelva permafrost observatory where multiple air, snow, soil, and permafrost parameters have been measured since 1998. And secondly, we measured [...] elevations using a high-accuracy GPS antenna to estimate surface subsidence resulting from thawing permafrost. In addition, we visited research sites of local and international partners and discussed scientific
inventory of the yedoma permafrost region the Local Organizing Committee (LOC) of the Eleventh ICOP Barbecue at the Barbecue Ingmar gives his great speech about monitoring of permafrost dynamics Guido - unstoppable [...] Jens and Dr. Valentin Spektor in front of the Yedoma-Map-Poster Matthias having his talk about permafrost soil carbon storage in the Lena-Delta Josefine in front of her poster Conference Banquet while
), MPI Yakutsk (Melnikov Permafrost Institute), and NEFU (North-Eastern Federal University Yakutsk). Duration: Four Weeks. Goals: Exposed to subaquatic conditions, permafrost thaw occurs exponentially [...] Melnikov Permafrost Institute Yakutsk and ERC PETA-CARB in the eastern Lena Delta (Sobo Sise Island) and on Bykovsky Peninsula. Transport: Helicopter. Duration: Three Weeks. Goals: Sampling of permafrost soils [...] reconstructions, geodetic surveys of subsidence caused by permafrost thaw, bathymetric surveys, installation of temperature sensors in permafrost boreholes and lakes. PETA-CARB participants: Guido Grosse
human activity in the Arctic takes place along permafrost coasts. These coasts have become one of the most dynamic ecosystems on Earth because permafrost thaw is now exposing them to rapid change: change [...] fates of organic matter released from thawing coastal and subsea permafrost; (2) assess what risks are posed by thawing coastal permafrost, to infrastructure, indigenous and local communities and people’s [...] system. NUNATARYUK is a H2020 project that investigates the impacts of thawing coastal and subsea permafrost on the global climate, and develops targeted and co-designed adaptation and mitigation strategies
focus on the interaction of the permafrost landscapes with recent climate warming and its consequences. Several long-term measurement sites for the monitoring of permafrost conditions, micrometeorology, [...] Circumarctic Network of Terrestrial Field Sites… Siberian permafrost ecosystems in transition - over 25 years of joint research Siberian permafrost and the ecosystems there are of global importance due to [...] largest conservation areas. The region is crucial to understanding the processes affecting the permafrost of the Siberian Arctic. The station is operated by the Trofimuk Institute of Petroleum Geology