The climate of the Arctic is characterized by long, cold winters and short, cool summers. There is a large amount of variability in climate across the...

caused by contemporary climate change in the Arctic region range from the well-known, such as the loss of sea ice or melting of the Greenland ice sheet,...

The Arctic (/ˈɑːrtɪk/ or /ˈɑːrktɪk/) is a polar region located at the northernmost part of Earth. The Arctic region, from the IERS Reference Meridian...

The Arctic Ocean is the smallest and shallowest of the world's five major oceans. It spans an area of approximately 14,060,000 km2 (5,430,000 sq mi) and...

summer. The Arctic consists of ocean that is almost surrounded by landmasses like Russia and Canada. As such, the climate of much of the Arctic is moderated...

The Arctic Circle is one of the two polar circles, and the most northerly of the five major circles of latitude as shown on maps of Earth at about 66°...

the possibility of a 2-meter sea level rise by 2100 under high emissions. Climate change has led to decades of shrinking and thinning of the Arctic sea...

Under the Köppen climate classification, much of mainland Northern Canada has a subarctic climate, with a tundra climate in most of the Arctic Archipelago...

The Arctic Climate Impact Assessment (ACIA) is a study describing the ongoing climate change in the Arctic and its consequences: rising temperatures, loss...

Sea ice in the Arctic region has declined in recent decades in area and volume due to climate change. It has been melting more in summer than it refreezes...

the Arctic Ocean, Hudson Bay, the Gulf of Alaska and North Atlantic Ocean. The North American Arctic lies above the Arctic Circle. It is part of the Arctic...

much of these soil-contained greenhouse gases into the atmosphere, creating a feedback cycle that increases climate change. Arctic tundra occurs in the far...

to the study of climate change in recent years. A major reason why research in the Arctic is valuable for the study of climate change is that the effects...

increase in the boreal forest (taiga). This decrease is linked to the warming of the Arctic due to climate change. Arctic plants have a number of adaptations...

Arctic Alaska or Far North Alaska is a region of the U.S. state of Alaska generally referring to the northern areas on or close to the Arctic Ocean. It...

The Arctic Council has conducted studies on climate change, oil and gas, and Arctic shipping. In 2011, the Council member states concluded the Arctic...

The Arctic Cordillera is a terrestrial ecozone in northern Canada characterized by a vast, deeply dissected chain of mountain ranges extending along the...

The Arctic consists of land, internal waters, territorial seas, exclusive economic zones (EEZs) and international waters above the Arctic Circle (66 degrees...

while climate change forces polar bears to change their hunting and denning patterns. Additionally, the unique marine ecosystem of the Arctic basin is...

Climate change feedbacks are effects of global warming that amplify or diminish the effect of forces that initially cause the warming. Positive feedbacks...

and Arctic peoples are umbrella terms for the various indigenous peoples of the Arctic region. Approximately four million people are resident in the Arctic...

positive climate change feedback (meaning one that amplifies warming), as methane is a powerful greenhouse gas. The Arctic region is one of many natural...

The Arctic ice pack is the sea ice cover of the Arctic Ocean and its vicinity. The Arctic ice pack undergoes a regular seasonal cycle in which ice melts...

linked to recent climate change. The Arctic dipole lets more southern winds into the Arctic Ocean resulting in more ice melting. The summer 2007 event...

The Arctic oscillation (AO) or Northern Annular Mode/Northern Hemisphere Annular Mode (NAM) is a weather phenomenon at the Arctic pole north of 20 degrees...

The Canadian Arctic tundra is a biogeographic designation for Northern Canada's terrain generally lying north of the tree line or boreal forest, that corresponds...

The Arctic Archipelago, also known as the Canadian Arctic Archipelago, is an archipelago lying to the north of the Canadian continental mainland, excluding...

The climate of Antarctica is the coldest on Earth. The continent is also extremely dry (it is a desert), averaging 166 mm (6.5 in) of precipitation per...

elsewhere. The strip of land along the shore of the Arctic Ocean, as well as the Arctic islands, have a polar climate, namely, an ice cap climate (EF) on...

where the sea surface temperature change in the past 50 years is shown, which is up to 5 degrees in some places. This change in the Arctic climate is most...