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The Han River is a major river in South Korea and the fourth longest river on the Korean peninsula after the Amnok (Yalu), Tuman (Tumen), and Nakdong rivers.〔Shin, Jung-il, "Historic River Flowing through the Korean Peninsula." ''Koreana'' (Summer, 2004), 6.〕 The river begins as two smaller rivers in the eastern mountains of the Korean peninsula, which then converge near Seoul, the capital of the country. The Han River and its surrounding area have played an important role in Korean history. The Three Kingdoms of Korea strove to take control of this land, where the river was used as a trade route to China (via the Yellow Sea). However, the river is no longer actively used for navigation, because its estuary is located at the borders of the two Koreas, barred for entrance by any civilian. Currently, the lower stretches of the Han river are lined with pedestrian walkways, bicycle paths, public parks and restaurants, particularly in Seoul. In a 2011 survey conducted by Seoul Development Institute of 800 residents and 103 urban planning and architectural experts, 51.3 percent of residents and 68.9 percent of experts voted the river the second most scenic location in the city, following Mount Namsan in the top spot. == Geography== The Han is formed by the confluence of the Namhan River (South Han River), which originates in Mount Daedeok, and the Bukhan River (North Han River), which originates on the slopes of Kumgang Mountain in North Korea. The River flows through Seoul and then merges with the Rimjin River shortly before it flows into the Yellow Sea. The two major branches of the river, the Namhan River and the Bukhan River, come together at Yangpyeong, Gyeonggi province, at which point it is referred to as the Han River. It then passes through Seoul and continues on to the Yellow Sea. Broad tidal flats can be found at the mouth of the Han River, where it meets the sea along the Korean Demilitarized Zone that divides South and North Korea.〔Kim Jae-il, "Preservation of the Hangang's Ecology", ''Koreana'' 18:2 (Summer 2004).〕 The total length of the Han River is approximately .〔 Although it is not a long river, the lower Han is remarkably broad for such a relatively short river. Within Seoul city limits, the river is more than wide. Prior to the construction of a number of major dams, the river was known for its huge coefficient of river regime (ratio between the maximum and minimum amount of flow) of 1:390. (For comparison, The Thames and the Rhine have coefficients of 1:8 and 1:18, respectively.)〔Korea Water Resources Association: http://www.kwra.or.kr/news/en_02.html〕 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「Han River (Korea)」の詳細全文を読む スポンサード リンク
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