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Troll is a research station located at Jutulsessen, from the coast in the eastern part of Princess Martha Coast in Queen Maud Land, Antarctica. It is Norway's only all-year research station in Antarctica, and is supplemented by the summer-only station Tor. Troll is operated by the Norwegian Polar Institute and also features facilities for the Norwegian Meteorological Institute, the Norwegian Institute for Air Research. Contrary to most other research stations on the continent, Troll is constructed on the snow-free slope of solid rock breaking through the ice sheet at Jutulsessen, located above mean sea level. The station opened as a summer-only station in 1990 and was taken into use as an all-year station in 2005. It has an overwintering capacity of eight people and a summer capacity of 40. It is served by Troll Airfield, which is the base for the Dronning Maud Land Air Network. ==Facilities== Troll is located in the eastern part of Princess Martha Coast in Queen Maud Land, which Norway claims as a dependent territory.〔 The station is located on the nunatak bare ground area Jutulsessen, at above mean sea level. It is completely surrounded by the Antarctic ice sheet. This is unlike most other Antarctic research stations, which are located on snow. Troll is from the coast. The station facilities are owned by the Government of Norway through the Norwegian Directorate of Public Construction and Property. Operation of the facility is done by another government agency, the Norwegian Polar Institute. The facilities consist of a module-built new section that is , and the old section that is . The new section consists of eight bedrooms, a gym, a sauna, a kitchen, a communication center and office space. In addition, there are several smaller buildings which are used as laboratories, provision stores, generators and garages. The old station is used partially for storage and partially as a summer station. The facility also features an emergency facility for eight people, located at a safe distance from the main base, in case of fire or other accidents. The station is dimensioned to tolerate temperatures down to and wind speeds of .〔 The facility attempts to minimize its environmental impact through several mechanisms, including minimizing area usage. Energy consumption is reduced by using recirculating excess heat to melt snow and ice for drinking water and heating. Waste is minimized through purchase planning and recycling; the remaining waste is compressed and transported away from the Antarctic. Fuel is handled in such a way that even small spills are minimized.〔 The station has a cold and dry climate, being located in a desert. The annual mean temperature is , with the summer temperature able to reach about and the lowest during the winter at . Storms, which can occur throughout the year, can occasionally make outdoor activity impossible. Being located south of the Antarctic Circle, Troll has midnight sun in the summer and polar night during the winter.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Troll (research station)」の詳細全文を読む スポンサード リンク
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