Permafrost Thaw

Permafrost Thaw Action Group The Permafrost Thaw Action Group was part of the Terrestrial Multidisciplinary distributed Observatories for the Study of Arctic Connections (T-MOSAiC). Together with MOSAiC [...] d collection of field data for quantifying permafrost thaw. It addresses the need for integrated observations of multiple connected components of permafrost landscapes, including soils, snow, and vegetation [...] vegetation. Illustration of the standarized permafrost monitoring protocol. The five spheres (snow, water, permafrost, vegetation and soil) with the associated parameters, measurement modes, and observation

Permafrost contains more nitrogen than previously assumed

New Study
As a result of global warming, permafrost regions around the world are thawing now. As they do, climate-relevant greenhouse gases containing carbon (carbon dioxide, methane) and nitrogen (nitrous [...] climate forecasts. Whereas substantial research has been conducted on the carbon reservoirs in permafrost, we still know comparatively little about nitrogen. A team of experts led by the Alfred Wegener

Future emissions from ‘country of permafrost’

By the end of this century, permafrost in the rapidly warming Arctic will likely emit as much carbon dioxide and methane into the atmosphere as a large industrial nation, and potentially more than the U.S. has emitted since the start of the industrial revolution. More information on the findings of an international team inculding scientists from the Alfred Wegener Institute can be found in this press release by the Northern Arizona University...

Guido Grosse

Arctic permafrost: The ground is thawing Prof. Dr Guido Grosse, Head of Permafrost Research Section at the Alfred Wegener Institute. Permafrost Greenhouse gases Climate change Permafrost is the technical [...] Download AWI permafrost expert Dr. Guido Grosse is, jpg | 1 MB AWI permafrost expert Dr. Guido Grosse and, jpg | 710 KB AWI permafrost expert Dr. Guido Grosse in, jpg | 816 KB Researcher for permafrost Prof. [...] quantities of ground ice, which, when permafrost thaws, leads to melting of the ice and surface sinking. This can dramatically change the landscapes and water cycle in permafrost regions, while also affecting

North-West Canada 2021

Canada, near the communities of Inuvik and Tuktoyaktuk. Our goal is to study the current state of permafrost as part of the MOSES (Modular Observation Solutions for Earth Systems) project. Our research in [...] “Lake 3” we conducted Electrical Resistivity Tomography surveys in an effort to map the depth to permafrost under the lake. As part of our outreach activities, some members of our team joined a summer camp

Greenland 2022

Sep. 2022 on Disko Island and in Ilulissat, Greenland. Our goal is to study the current state of permafrost as part of the MOMENT (Die Permafrostforschung auf dem Weg zur integrierten Beobachtung und MO

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

New AWI Study on Legacy Industrial Contamination in the Arctic Permafrost

A previously underestimated risk lurks in the frozen soil of the Arctic. When the ground thaws and becomes unstable in response to climate change, it can lead to the collapse of industrial infrastruct

Underestimated Heat Storage

quantity of heat stored on land, showing the distribution of land heat among the continental ground, permafrost soils, and inland water bodies. The calculations, published in Earth System Dynamics , show that

Lona van Delden

gas drivers. Overall, the FluxWIN project aims to understand how now-frozen soils will respond to permafrost thaw as soils that are always frozen shift to becoming seasonally or perennially thawed with increased