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Region: geoarctic

Temperature increase in the Arctic, 2090 scenario
The averages of the scenarios in the Arctic Climate Impact Assessment (ACIA) are presented in this figure, for the year 2090. The Arctic is a place where the effects of climate change are already very visible, and scenar...
06 Dec 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic transportation routes - roads, shipping and pipelines
Land infrastructure represents a fragmentation of the natural ecosystems, splitting up expanses of tundra and taiga - and creates a disturbance in the form of traffic. In addition, it promotes development of side roads, ...
06 Dec 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Demography of indigenous peoples of the Arctic based on linguistic groups
Language not only communicates, it defines culture, nature, history, humanity, and ancestry. The indigenous languages of the Arctic have been formed and shaped in close contact with their environment. They are a valuable...
01 May 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
Demography of indigenous peoples of the Arctic based on linguistic groups
Areas show colours according to the original languages of the respective indigenous peoples, even if they do not speak their languages today. Notes: Overlapping populations are not shown. The map does not claim to show e...
06 Dec 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Fossil fuel resources and oil and gas production in the Arctic
The Arctic has been opened up for increased exploration of petroleum, gas and mining activities. The Barents Sea, the Mackenzie Valley in Canada and the Alaskan North Slope, are the areas of chief interest at the moment....
06 Dec 2006 - by Philippe Rekacewicz & Hugo Ahlenius UNEP/GRID-Arendal
Protected areas in the Arctic
The Arctic is a unique region in the world, with very little human activity and vast expanses of tundra and taiga that presents ecological values. This graphics presents the areas that currently are protected for conserv...
06 Dec 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Projected temperatures in the 21th century
Projected Arctic annual land temperature increases for the first half of the 21st century relative to the average temperature for 1980–99. The average of the IPCC models (the blue line) shows an increase of 3ºC by 2050. ...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Change in the age of ice on the Arctic Ocean, comparing September ice ages in 1988, 1990, 2001 and 2005
The age of sea ice in the Arctic is changing, and not only the extent and concentrations. Studies show that in recent years there is a higher proportion of younger ice to older ice than was observed in the late 1980s. Th...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Trends in Arctic temperature, 1880-2006
A history of Arctic land temperature anomalies from 1880 through 2006 is shown in this figure. The zero line represents the average temperature for 1961–1990. In the late 1800s the Arctic was relatively cold, although t...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic sea ice minimum extent in September 1982 and 2005
The red line indicates the median minimum extent of the ice cover for the period 1979–2000. This figure compares the Arctic sea-ice extent in September for the years 1982 (the record maximum since 1979) and 2005 (the rec...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic temperature anomaly patterns
Natural climate variability is organized into spatial patterns of high and low pressure regions, represented by the Arctic Oscillation (also called the Northern Annular Mode) and North Pacific patterns in the Northern...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic temperatures in the 20th century, modeled and observed
Observed Arctic winter land temperatures and IPCC model recreations for the 20th century. Note that although these model runs are able to capture the range of Arctic warm and cold periods, the timing of the peaks varies,...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Projected increase (days) of the navigation season through the Northern Sea Route as an average of 5 ACIA model projections
The Northern Sea Route (NSR) is a seasonally ice-covered marine shipping lane along the Russian coasts, from Novaya Zemlya in the west to the Bering Strait in the east. The NSR is administered by the Russian Ministry of ...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Trends in Arctic sea-ice extent in March (maximum) and September (minimum) in the time period of 1979–2006
For the Northern Hemisphere (primarily the Arctic), observations using remote sensing technologies have been used to measure the extent and the to assess the development. Despite considerable year-to-year variability, si...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic map, political
The Arctic is extremely diverse in terms of landscapes, varying from pack and drift ice to rugged shores, flat coastal plains, rolling hills and mountains surpassing 6000 metres above sea level (Denali, 6,194 m asl, in s...
11 Feb 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic conservation area (CAFF), political map
The Conservation of Arctic Flora and Fauna is a working group under the Arctic Council, for the countries of Russia, Denmark, USA, Canada, Sweden, Iceland, Norway and Finland and indigenous peoples. Monitoring, assessmen...
11 Feb 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Population distribution in the circumpolar Arctic, by country (including indigenous population)
The Arctic represents one of the most desolate and sparsely populated areas in the World, with few economic opporunities and inhostile climate. This map - based on the Arctic Human Development Report (AHDR) definition of...
31 Jul 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Northern Sea Route and the Northwest Passage compared with currently used shipping routes
Climate models project that summer sea ice in the Arctic Basin will retreat further and further away from most Arctic landmasses, opening new shipping routes and extending the navigation season in the Northern Sea Route ...
01 Oct 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Population and main oil and gas production areas in the Arctic
The Arctic represents one of the least populated areas in the world, with only sparse settlements and very few large cities and towns - in comparison with e.g. continental Europe. The largest cities are in Northwest Russ...
31 Jul 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic, topography and bathymetry (topographic map)
The Arctic is extremely diverse in terms of landscapes, varying from pack and drift ice to rugged shores, flat coastal plains, rolling hills and mountains surpassing 6000 metres above sea level (Denali, 6,194 m asl, in s...
31 Jul 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
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