The Yalu River, known by Koreans as the Amrok River or Amnok River, is a river on the border between North Korea and China. Together with the Tumen River to its east, and a small portion of Paektu Mountain, the Yalu forms the border between North Korea and China. Its valley became the scene of several military conflicts in the past centuries.
Amrok or Amnok (압록강; 鴨綠江)
|Etymology||Manchu, "the boundary between two countries"|
|Countries||China (PRC) and North Korea (PRK)|
|Provinces||Jilin (PRC), Liaoning (PRC), Ryanggang (PRK), Chagang (PRK), North Pyongan (PRK), Sinuiju SAR (PRK)|
|Source||South of Heaven Lake, PRC-DPRK border, Paektu Mountain|
|Length||790 km (490 mi)|
Two theories are given regarding the origin of the river's name. One theory is that the name derived from Yalu ula (ᠶᠠᠯᡠ
ᡠᠯᠠ) in the Manchu language. The Manchu word yalu (ᠶᠠᠯᡠ) means "the boundary between two countries". In Mandarin Chinese, yālù phonetically approximates the original Manchu word, but literally means "duck green", which was said to have been once the color of the river. The other theory is that the river was named after the combination of its two upper branches, which were called "鴨" (Yā or Ap) and "綠" (Lù or R(or n)ok)", respectively.
Revised Romanization of Korean spelled it Amnokgang (Korean pronunciation: [amnok.k͈aŋ]; "Amnok River") and Revised Romanization of Hangeul spelled it Aprokgang (Korean pronunciation: [amnok.k͈aŋ]; "Aprok River").
From 2500 m above sea level on Paektu Mountain on the China–North Korea border, the river flows south to Hyesan before sweeping 130 km northwest to Linjiang and then returning to a more southerly route for a further 300 km to empty into the Korea Bay between Dandong (China) and Sinuiju (North Korea). The bordering Chinese provinces are Jilin and Liaoning.
The river is 795 kilometers (494 mi) long and receives water from over 30,000 km2 of land. The Yalu's most significant tributaries are the Changjin (장진강; 長津江), the Hochon (허천강; 虛川江), the Togro (독로강; 禿魯江) rivers from Korea and the Ai (or Aihe) (璦河) and the Hun (浑江) from China. The river is not easily navigable for most of its length. Most of the river freezes during winter and can be crossed on foot.
The depth of the Yalu River varies from some of the more shallow parts on the eastern side in Hyesan (1 meter (3 ft 3 in)) to the deeper parts of the river near the Yellow Sea (2.5 meters (8 ft 2 in)). The estuary is the site of the Amrok River estuary Important Bird Area, identified as such by BirdLife International.
About 205 islands are on the Yalu. A 1962 border treaty between North Korea and China split the islands according to which ethnic group was living on each island. North Korea possesses 127 and China 78. Due to the division criteria, some islands such as Hwanggumpyong Island belong to North Korea, but abut the Chinese side of the river.
The river basin is the site where Goguryeo rose to power. Many former fortresses are located along the river and the former capital of that kingdom was situated at what is now the medium-sized city of Ji'an, Jilin along the Yalu, a site rich in Goguryeo era relics.Wihwa Island on the river is historically famous as the place where, in 1388, General Yi Songgye (later Taejo of Joseon) decided to turn back his army southward to Kaesong in the first of a series of revolts that eventually led to the establishment of the Joseon dynasty.
The river has been the site of several battles because of its strategic location between Korea and China, including:
- Battle of the Yalu River (1894) – First Sino-Japanese War
- Battle of Yalu River (1904) – Russo-Japanese War
- Battle near to the Yalu River (1950) – Korean War
During the Korean War, the movement of United Nations troops approaching the river precipitated massive Chinese intervention from around Dandong. In the course of the conflict every bridge across the river except one was destroyed. The one remaining bridge was the Sino–Korean Friendship Bridge connecting Sinuiju, North Korea to Dandong, China. During the war the valley surrounding the western end of the river also became the focal point of a series of dogfights for air superiority over North Korea, earning the nickname "MiG Alley" in reference to the MiG-15 fighters flown by the combined North Korean, Chinese, and Soviet forces. As UN forces during the Korean War advanced toward the Yalu, China under Chairman Mao Zedong entered the war on the side of North Korea.
The pillar stubs of the Yalu River Broken Bridge between Dandong and Sinuiju, which was established in 1911 and destroyed during the Korean War. The bridge to the left is the Sino-Korean Friendship Bridge, which opened to traffic in 1943 and also fell to destruction by US aerial attacks during the war but was successfully repaired after 1953 (direction of photo looking south into North Korea).
The river is important for hydroelectric power, and one of the largest hydroelectric dams in Asia is in Sup'ung Dam, 106 m high and over 850 m long, located upstream from Sinuiju, North Korea. The dam has created an artificial lake over a portion of the river, called Supung Lake. In addition, the river is used for transportation, particularly of lumber from its forested banks. The river provides fish for the local population. Downstream of Sup'ung is the Taipingwan Dam. Upstream of Sup'ung is the Unbong Dam. Both dams produce hydroelectric power, as well.
In the river delta upstream from Dandong and adjacent to Hushan are several North Korean villages. Economic conditions in these villages have been described as poor, without access to electricity.
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