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The Nampho Dam or West Sea Dam, also known as the West Sea Barrage, is a tidal barrage located 15 km west of the special city of Nampho, North Korea. It is a huge, eight-kilometer-long system of dams, three lock chambers, and 36 sluices, allowing the passage of ships up to 50,000 tons. The dam closes the Taedong River off from the Yellow Sea. It was built from 1981 to 1986, with the resources of the whole country directed to this main construction project. The stated goal of the dam was: * The prevention of seawater intrusion into the fresh water, thus solving the water supply problem;〔("West Sea Barrage" ), ''TAEHA''. "The Taedong River, before the barrage was built, could not be used for agriculture and industry because it would become salty by the rising tide."〕 * The irrigation of additional land, enlarging the arable territory of the region.〔(Democratic People´s Republic of Korea - Geography, climate and population ), ''Food and Agriculture Organization of the United Nations'', 2010, Retrieved 2011-05-03〕 Foreign critics claim raising the Taedong river level has led to the loss of valuable farmland, contributing to North Korean famine. The dam is considered a major accomplishment of North Korea,〔(North Korea ), ''Travel the Whole World'', Retrieved 2011-05-03〕 and is a commonly seen backdrop for North Korean television news broadcasts from Korean Central News Agency. It is also a typical stop for tour groups of international tourists, for whom there is a visitor center on P'i Do island. There, films are shown in different languages about the construction of the dam and the locks. The locks are at geographical coordinates . The dam's estimated total cost was US$ 4 billion.〔Oh, Kong Dan & Ralph C. Hassig. ''North Korea Through the Looking Glass'', Brookings Institution Press, 2000, p53〕 ==References== 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「Nampo Dam」の詳細全文を読む スポンサード リンク
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