Webpages tagged with «Permafrost»
Our next LATICE seminar will be about Bayesian inverse modeling and data assimilation for the terrestrial cryosphere with presentations from Brian Groenke and Marco Mazzolini on November 29th, 2023 at 14:00.
In the PERMANOR project we want to get knowledge about the local-scale processes of a thewing permafrost, and how this affect the global climate system. The research is cross disclipinary between permafrost researchers and meteologists. Of particular interest is the warming potential of this so-called “permafrost-carbon feedback”. The aim is to give input to the Earth System Models (ESMs) used for climate predictions, including the Norwegian Earth System Model NorESM.
Permafrost is found in about a quarter of the land area in the northern hemisphere. Unlike snow and ice cannot permafrost be "observed" with remote sensing techniques. However satellites collect data regarding permafrost from sensors in field, and permafrost can be modelled numerically using above-ground data sets of temperature and snow depth. We aim in SatPerm to see if such data sets can be used for modelling of permafrost.
The stability of steep slopes and rock walls is a major point of concern in relation to a changing climate, and is important for society, transport and more. Permafrost is a factor which can stabilize steep sloops. Rock wall permafrost has been intensively investigated in mountain areas like the Alps, but there is little knowledge about the topic in Norway. CryoWALL aims to investigate permafrost on rock walls in Norway.
The Cryosphere includes all frozen water on the Earth's surface, all areas where snow, ice and permafrost affect the landscape and processes occurring there. We find a big amount of water tied up in glaciers and icecaps in Arctic and Antarctic, but also in permafrost and smaller glaciers worldwide.
The Perma-Nordnet research network aims to take on an important role in permafrost research, addressing the relation between thermal, bio-geochemical and hydrological processes. The task of the network is to initiate and catalyse such efforts, as well as to build, carry forward and tighten existing co-operations between the network members.
January 19-21, 2010 a co-operation meeting between CRYOLINK and the project cluster "Sensitivity of mountain permafrost to climate change " (SPCC) took place in Habkern, Switzerland.