Permafrost is frozen ground that remains at or below zero degrees Celsius (32 degrees Fahrenheit) for two or more years. It forms in regions where the mean annual temperature is colder than zero degrees Celsius. Permafrost is found beneath about 20 percent of the land in the Northern Hemisphere. It is widespread in the Arctic and in parts of Antarctica. Most of the world’s permafrostPermafrost is frozen ground that remains at or below zero degrees Celsius (32 degrees Fahrenheit) for two or more years. It forms in regions where the mean annual temperature is... More has been frozen for 1000s of years and can be up to 1,500 metres (almost 5,000 feet) thick. The layer of ground above permafrost that is subject to annual thawing and freezing is called the active layerThe layer of ground above permafrost that is subject to annual thawing and freezing.... More.
Related contents
-
> Evenkian Field Station
Field SitesNAME AND OWNER The Tura Field station (Evenkiyskiy oporniy ekspedizionniy punkt) is owned and run by V.N. Sukachev Institute of Forest SB RAS (IF SB …
> Read more -
> International Ecological Educational Center “Istomino”
Field SitesSTATION NAME AND OWNER International ecological – educational center (IEEC) “Istomino” is owned and run by Baikal Institute of Nature Management of the Siberian Branch …
> Read more -
> Research Station Samoylov Island
Field SitesSTATION NAME AND OWNER The Research Station Samoylov Island is owned and run by the Trofimuk Institute of Petroleum GeologyThe study of the solid Earth, …
> Read more -
> Spasskaya Pad Scientific Forest Station
Field SitesSTATION NAME AND OWNER The Spasskaya Pad Scientific Forest Station is owned and run by the Institute for Biological Problems of Cryolithozone (Siberian Branch of …
> Read more -
> Elgeei Scientific Forest Station
Field SitesNAME AND OWNER “Elgeeii” scientific forest station of Institute for biological problems of cryolithozone of Siberian branch of Russian academy of sciences (Russian Federation). LOCATION …
> Read more -
> Chokurdakh Scientific Tundra Station
Field SitesSTATION NAME AND OWNER The Chokurdakh Scientific TundraA type of ecosystem in which tree growth is limited by low temperatures. The origin of the word …
> Read more -
> Orotuk Field Station
Field SitesSTATION NAME AND OWNER Orotuk Field Station is run by the Institute of Biological Problems of the North, Far Eastern Branch of Russian Academy of …
> Read more -
> North-East Science Station
Field SitesNAME AND OWNER North-East Science Station (NESS) is owned and run by Sergey Zimov and Nikita Zimov. LOCATION NESS is situated in the Kolyma River …
> Read more -
> CEN Kangiqsualujjuaq Sukuijarvik
Field SitesSTATION NAME AND OWNER CEN Kangiqsualujjuaq SUKUIJARVIK Research Station is owned and run by the Centre d’études nordiques (CEN: www.cen.ulaval.ca) at Université Laval. The station …
> Read more -
> Meinypil’gyno Community Based Biological Station
Field SitesSTATION NAME AND OWNER Meinypil’gyno Community Based Biological Station is owned and run by the Russian bird conservation NGO – “BirdsRussia”, with support from the …
> Read more -
> Barrow Arctic Research Center/Environmental Observatory
Field SitesSTATION NAME AND OWNER The Barrow ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic …
> Read more -
> Toolik Field Station
Field SitesSTATION NAME AND OWNER The Toolik Field Station (TFS) belongs to the Institute of ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural …
> Read more -
> Western Arctic Research Centre
Field SitesNAME AND OWNER The Western ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic as …
> Read more -
> Canadian High Arctic Research Station CHARS
Field SitesSTATION NAME AND OWNER The Canadian High ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic …
> Read more -
> Polar Environment Atmospheric Research Laboratory PEARL
Field SitesNAME AND OWNER Polar Environment Atmospheric Research Laboratory (PEARL) operated by the Canadian Network for the Detection of Atmospheric Change (CANDAC) – an informal university …
> Read more -
> CEN Salluit Research Station
Field SitesSTATION NAME AND OWNER CEN Salluit Research Station is owned and run by Centre d’études Nordiques (CEN: Centre for Northern Studies) whose secretariat is based …
> Read more -
> CEN Boniface River Field Station
Field SitesSTATION NAME AND OWNER The CEN Boniface River Station is owned and run by the Centre d’études Nordiques (CEN: Centre for Northern Studies) whose secretariat …
> Read more -
> CEN Umiujaq Research Station
Field SitesSTATION NAME AND OWNER The Umiujaq Research Station is owned and run by the Centre d’études Nordiques (CEN: Centre for Northern Studies) whose secretariat is …
> Read more -
> CEN Whapmagoostui-Kuujuarapik Research Station
Field SitesSTATION NAME AND OWNER The CEN Whapmagoostui-Kuujjuarapik Station is owned and run by the Centre d’études Nordiques (CEN: Centre for Northern Studies) with its secretariat …
> Read more -
> Arctic Station
Field SitesSTATION NAME AND OWNER Owner of the ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the …
> Read more -
> Zackenberg Research Station
Field SitesSTATION NAME AND OWNER Zackenberg Research Station is owned by the government of Greenland. Aarhus University (Denmark) is responsible for running the station. LOCATION Zackenberg …
> Read more -
> Villum Research Station
Field SitesNAME AND OWNER Villum Research Station, Station Nord (VRS) consist of a garage for storage of vehicles and a tents, generators etc. for a mobile …
> Read more -
> AWIPEV Arctic Research Base
Field SitesSTATION NAME AND OWNER AWIPEV ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic as …
> Read more -
> Churchill Northern Studies Centre
Field SitesSTATION NAME AND OWNER Station Name: Churchill Northern Studies Centre Station Owner: Churchill Research Centre Inc. LOCATION The CNSC is an accessible northern field research …
> Read more -
> Adam Mickiewicz University Polar Station “Petuniabukta”
Field SitesNAME AND OWNER Adam Mickiewicz University Polar Station “Petuniabukta”, Svalbard (AMUPS) is owned by Adam Mickiewicz University in Poznan, Poland. LOCATION The station is located …
> Read more -
> CNR Arctic Station “Dirigibile Italia”
Field SitesSTATION NAME AND OWNER CNR ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic as …
> Read more -
> Polish Polar Station Hornsund
Field SitesSTATION NAME AND OWNER The Polish Polar Station in Hornsund belongs to the Institute of Geophysics, Polish Academy of Sciences LOCATION The station is situated …
> Read more -
> Tarfala Research Station
Field SitesSTATION NAME AND OWNER Tarfala Research Station is owned and run by the Department of Physical GeographyThe study of the Earth, such as places, landforms, …
> Read more -
> Alpine Research and Education Station Furka (ALPFOR)
Field SitesSTATION NAME AND OWNER The ‘Alpine Research and Education Station Furka’ (ALPFOR) is managed by the non-profit association ALPFOR, which is related to the University …
> Read more -
> Sonnblick Observatory
Field SitesSTATION NAME AND OWNER The Sonnblick Observatory is owned by Sonnblick Verein and managed by the Zentralanstalt fur Meteorologie und Geodynamik in cooperation with the …
> Read more -
> The DMI Geophysical Observatory Qaanaaq
Field SitesSTATION NAME AND OWNER The DMI Geophysical Observatory Qaanaaq. Owned by the Danish Meteorological Institute, Copenhagen, Denmark LOCATION The DMI Geophysical Observatory Qaanaaq is located …
> Read more -
> Numto Park Station
Field SitesSTATION NAME AND OWNER The Numto Park Station belongs to the UNESCO Chair on Environmental Dynamics and Climate ChangeAccording to the United Nations Framework Convention …
> Read more -
> Beliy Island Research Station
Field SitesNAME AND OWNER Beliy Island Research Station is owned and managed by the Government of the Yamal-Nenets autonomous district, Russian Federation. LOCATION The Station is …
> Read more -
> Willem Barentsz Biological Station
Field SitesSTATION NAME AND OWNER Willem Barentsz Biological Station is presently owned by the Administration of Taimyr Reserves, Norilsk, Russia (governmental organization of the Russian Federation). …
> Read more -
> Khanymey Research Station
Field SitesSTATION NAME AND OWNER The Khanymei Research Station belongs to the National Research Tomsk State University, Russia. LOCATION The Station is located south-east or Yamal-Nenets …
> Read more -
> Kajbasovo Research Station
Field SitesSTATION NAME AND OWNER The Kajbasovo Research Station belongs to the National Research Tomsk State University, Russia. LOCATION The station is located in Western Siberia, …
> Read more -
> Igarka Geocryology Laboratory
Field SitesSTATION NAME AND OWNER The Igarka Geocryology Laboratory is a scientific affiliation of the Melnikov PermafrostPermafrost is frozen ground that remains at or below zero …
> Read more -
> Stories of Arctic Science
PublicationsThis book contains stories of cutting-edge ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic …
> Read more -
> Siberian tundra eruptions
NewsINTERACT observer station manager Aleksandr Sokolov in article on methaneA colourless, odourless gas (chemical formula CH4). Some microbesproduce methane. It can also be found in underground …
> Read more -
> Summer school at INTERACT partner TSU
News5th International Summer School for Students and Young Scientists — 2018 Natural and human environment of ArcticDefinitions of the Arctic vary according to environmental, geographical, …
> Read more -
> INTERACT Data Forum was presented at the RDA in Montreal
NewsThe 10th RDA (Research Data Alliance) Plenary Meeting was held 19 to 21 September 2017 in Montréal, Canada and the INTERACT Data Forum was presented …
> Read more -
> Thawing permafrost – a hot topic
NewsNunataryuk, part of the EU Arctic Cluster along with INTERACT and eight other projects related to Arctic change and its global implications, is featured in …
> Read more -
> INTERACT at EUCOP 2018 in Chamonix, France
NewsToday is the first day of sessions at the 5th European Conference on PermafrostPermafrost is frozen ground that remains at or below zero degrees Celsius …
> Read more -
> Release of 5 AMAP Assessments
NewsOn the 25th of April 5 new AMAPArctic Monitoring and Assessment Programme. One of the working groups of the Arctic Council. Established in 1991. AMAP …
> Read more -
> Call for Registration: Arctic Alaska Vegetation Summer Field Course
NewsArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic as areas having a high latitude, …
> Read more -
> INTERACT part of the EU Arctic Cluster
NewsThe EU ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic as areas having a …
> Read more -
> Available positions at INTERACT Partner AWI
NewsTwo Positions Available at Alfred Wegener Institute: PhD in Land Surface Process and Technician in Geodata and Model Administration The Periglacial Research section at the …
> Read more -
> Home
Welcome to INTERACT – International Network for Terrestrial Research and Monitoring in the Arctic INTERACT is an infrastructure project under the auspices of SCANNET, a …
> Read more -
> Arctic Awareness
INTERACT aims to inform and interact with the public, stakeholders and primary, secondary and tertiary students. In particular, we will work with people living in …
> Read more -
> TA Ambassadors
INTERACT TA Ambassadors are scientists who have conducted research at INTERACT stations with the support from Transnational Access. TA Ambassadors share knowledge –based on their …
> Read more -
> Active layer
GlossaryThe layer of ground above permafrost that is subject to annual thawing and freezing.
> Read more -
> Arctic
GlossaryDefinitions of the ArcticDefinitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic as areas having …
> Read more -
> Palsa mire
GlossaryA type of mire (or boggy wetland) complex found in boreal and alpine regions. Palsas are peatPeat is a soil type formed from slowly decomposing vegetation. It is found …
> Read more -
> Peat
GlossaryPeatPeat is a soil type formed from slowly decomposing vegetation. It is found in wet areas where the lack of oxygen slows the breakdown of …
> Read more -
> Pingo
GlossaryA frost mound, consisting of an ice core covered with soil and vegetation. They are found in permafrost regions. They are formed when water is naturally injected …
> Read more -
> SWIPA
Glossary“Snow, Water, Ice, PermafrostPermafrost is frozen ground that remains at or below zero degrees Celsius (32 degrees Fahrenheit) for two or more years. It forms …
> Read more -
> Thermokarst
GlossaryA landform that results when ground ice (ice-rich permafrostPermafrost is frozen ground that remains at or below zero degrees Celsius (32 degrees Fahrenheit) for two or …
> Read more -
> Thermokarst lake
GlossaryA (usually shallow) body of water found in a depression within a thermokarst landform. The water is from thawed permafrostPermafrost is frozen ground that remains at or below …
> Read more -
> Tundra
GlossaryA type of ecosystemAll the living organisms (including people) in an area as well as its physical environment, functioning together as a unit. An ecosystem …
> Read more -
> Climate feedback mechanism
GlossaryA change in the climateThe average weather we would expect over a long period of time (seasons, years, decades). Climate varies from place-to-place across the …
> Read more -
