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| Queen Elizabeth Land | |
|---|---|
| Name | Queen Elizabeth Land |
| Location | Antarctica |
| Area km2 | 437000 |
| Claimed by | United Kingdom |
| Part of | British Antarctic Territory |
| Established | 2012 (named) |
Queen Elizabeth Land is a region of Antarctica covering about 437,000 km² on the eastern side of the Weddell Sea and inland toward the South Pole. It lies within the sector claimed as the British Antarctic Territory and comprises parts of the Ice Shelf-fringed coast, major mountain ranges such as the Pensacola Mountains and glacial systems feeding the Filchner–Ronne Ice Shelf. The area is notable for polar research, territorial claims, and large ice-covered plateaus.
Queen Elizabeth Land encompasses coastal and interior features including the Filchner–Ronne Ice Shelf, the Pensacola Mountains, the Forrestal Range, the Argentina Range, and the Dufek Massif. Major glaciers and ice streams such as the Support Force Glacier and the Foundation Ice Stream drain the Antarctic interior toward the Weddell Sea. Bedrock exposures reveal the Gneiss and Granite complexes associated with the Transantarctic Mountains orogeny and Proterozoic to Paleozoic terranes correlated with the Gondwana assembly. Subglacial topography mapped by radar shows troughs and subglacial basins that influence ice flow and potential marine ice-sheet instability linked to the West Antarctic Ice Sheet dynamics.
Exploration of the region occurred during 20th-century expeditions including flights and surveys by the United States Navy Operation Deep Freeze, airborne work by the Royal Air Force, and mapping by the British Antarctic Survey. Earlier reconnaissance by members of the Norwegian–British–Swedish Antarctic Expedition and geological parties from the United States Geological Survey contributed to modern cartography. The name was announced in 2012 during a ceremony involving representatives of the Monarchy of the United Kingdom and was associated with commemorative events tied to the Diamond Jubilee of Elizabeth II.
The area lies within the sector claimed by the United Kingdom as part of the British Antarctic Territory; overlapping and adjacent claims include the Argentine Antarctica and Chilean Antarctic Territory sectors claimed by Argentina and Chile, respectively. Under the Antarctic Treaty System, territorial claims are held in abeyance, with parties such as United Kingdom, Argentina, Chile, United States, and Russia participating in consultative meetings and science cooperation. The Convention for the Conservation of Antarctic Seals and the Protocol on Environmental Protection to the Antarctic Treaty (Madrid Protocol) apply to activities in the region.
The region experiences polar ice-cap climate conditions characterized by extremely low temperatures, katabatic winds originating over the Antarctic Plateau, and low annual precipitation classified as polar desert. Surface temperatures have been recorded in campaigns by the British Antarctic Survey and the United States Antarctic Program, while remote sensing by NASA and the European Space Agency instruments such as MODIS and CryoSat monitor surface melt, snow accumulation, and ice-shelf variability. Environmental concerns focus on ice-shelf stability, sea-level contribution from the West Antarctic Ice Sheet and feedbacks observed in studies published by the Intergovernmental Panel on Climate Change.
Terrestrial biodiversity is sparse; coastal outcrops and nunataks support microbial mats and cryptogamic communities studied by teams from the British Antarctic Survey and the Australian Antarctic Division. Marine ecosystems in adjacent waters host populations of Antarctic krill, Adélie penguin, Emperor penguin, Weddell seal, crabeater seal, and baleen whales documented by research vessels operated by the National Oceanic and Atmospheric Administration and the Alfred Wegener Institute. Seabird foraging and krill dynamics link the region to wider Southern Ocean food webs investigated in multinational programs such as the Southern Ocean Observing System.
Permanent research stations are limited nearby but the region is accessed from bases like Rothera Research Station (UK), Palmer Station (USA), Esperanza Base (Argentina), and seasonal field camps established by the British Antarctic Survey, United States Antarctic Program, and Australian Antarctic Program. Airstrips and blue-ice runways used during Operation Deep Freeze and by logistics units support scientific traverses, geophysical surveys, and ice-core drilling projects coordinated with institutions including the Scott Polar Research Institute and the Woods Hole Oceanographic Institution.
Access is primarily by ski-equipped aircraft, blue-ice runway landings, and long-range aircraft operations staged from logistics hubs such as Rothera Research Station and Falkland Islands (Malvinas) support points. Sea access is seasonally possible via icebreaker escorts from ports used by the Russian Antarctic Expedition and supply ships chartered by national programs; overland traverses utilize tracked vehicles and traverse vehicles deployed in collaboration with the National Science Foundation and commercial logistics contractors. Safety and environmental protocols follow guidelines from the Antarctic Treaty Consultative Meeting and require permits from national authorities administering activities within the British Antarctic Territory.
Category:Regions of Antarctica Category:British Antarctic Territory