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The British North Greenland Expedition was a British scientific mission, led by Commander James Simpson RN, which lasted from July 1952 to August 1954. A total of 30 men took part, though not all stayed for both years. The purpose of BNGE was primarily to carry out scientific studies in glaciology, meteorology, geology and physiology. Gravimetric and seismological surveys were made, and radio wave propagation was also studied from their station codenamed "North Ice". It also provided information useful to the Armed Forces about operating in Arctic environments, and the majority of the team were serving members. Travel over the icecap was either on foot, by dog sled, or by M29 Weasel tracked vehicles. Expedition members also made pioneering ascents in the Barth Mountains and Dronning Louise Land. ==History== In July 1952 the expedition sailed from Deptford aboard the former Norwegian sealer ''Tottan'', while another cargo ship, loaded with four Weasel tracked vehicles, sailed from Hull. The expedition team consisted of 25 men; fifteen from the armed services and the merchant navy, nine civilian scientists, and a Danish army officer. After collecting sledge dogs in south-west Greenland, the two ships sailed to Young Sund in the north-east coast. From there RAF Short Sunderland flying-boats airlifted the expedition to the glacial lake Britannia Sø (named for the expedition) and set up a base camp. Commander Simpson then led a party on dog sleds to establish the North Ice station about to the west. The Weasels were landed on the coast and drove the 100 miles inland as far as the base camp. Once the party arrived at the site of North Ice, their stores and equipment, more than 86 tons of it, were air-dropped from two RAF Handley Page Hastings transport aircraft, flying from Thule. During the supply operation, on 16 September 1952, Hastings No. WD492 of 47 Squadron, having already made a series of parachute drops, was making the second in series of free fall drops at an altitude of only , when it was caught in a white-out, and made a forced belly landing. Three members of the crew were injured, and sheltered in the intact fuselage of the aircraft until air-lifted out by a Grumman HU-16 Albatross of the United States Air Force. The rest of the crew were recovered two days later by a rocket assisted USAF Douglas C-47. In early 1953 glaciological studies began, while seismic and gravimetric teams worked between North Ice and Britannia Sø. Observations were continued throughout the second winter, and in 1954 a party traversed the ice cap from North Ice to Thule. Attempts to measure the thickness of the ice sheet by seismic soundings failed, but markers placed on the ice, enabled information about the movement of the ice sheet and the accumulation of snow to be gathered. At North Ice ice cores to a depth of were recovered. The expedition suffered its only fatality in 1953, when Captain H. A. Jensen of the Danish Army, a qualified surveyor, fell to his death on a steep snow slope.〔 In August 1953, the expedition was re-supplied by sea and air, and eight team members, who had signed on for only one year, left to be replaced by five more. The expedition returned to England by ship in August 1954.〔 The entire expedition team were awarded the Polar Medal in November 1954, while Commander Simpson was also presented with the Patron's Medal from the Royal Geographical Society in 1955, and was made a Commander of the Order of the British Empire (CBE) on 2 January 1956. 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「British North Greenland Expedition」の詳細全文を読む スポンサード リンク
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