The Yongding River ( Chinese : 永定河 ; pinyin : Yǒngdìng Hé ; Wade–Giles : Yungting Ho ) is a river in northern China . It is one of the main tributaries in the Hai River system and is the largest river to flow through Beijing . In recent years, the Beijing segment of the river has dried up due to environmental issues. The Beijing municipal government has invested 16 billion yuan in an effort to replace the riverbed with parkland or smaller bodies of water.
21-1112: Yongding ( 永定 ) may refer to: Yongding River , in Beijing Yongding District, Longyan , a district in Longyan, Fujian Yongding District, Zhangjiajie , a district in Zhangjiajie, Hunan Yongding Subdistrict , a subdistrict in Yongding District, Zhangjiajie Towns [ edit ] Yongding, Beijing , in Mentougou District , Beijing Yongding, Sichuan , in Nanbu County , Sichuan Yongding, Xinjiang , in Huocheng County , Xinjiang Yongding, Yunnan , in Fumin County , Yunnan [REDACTED] Topics referred to by
42-529: A coastline to the Bohai Sea are, from the south going clockwise: Shandong , Hebei, Tianjin (Tientsin), Hebei again, and Liaoning . Some of the major rivers draining into the gulf include the Yellow River , Xiaoqing River , Hai River , Luan River , Dai River , Daling River , Xiaoling River, Liao River and Daliao River . There are a few important oil reserves in the vicinity of the gulf, including
63-521: A road and rail tunnel across the Bohai Strait to connect the Liaodong and Shandong peninsulas. When completed, the tunnel would be 106 kilometers (66 mi) long, making it twice as long as the channel tunnel connecting England and France. In July 2013, a modified plan was announced, involving a 123-kilometer (76 mi)-long tunnel between Dalian , Liaoning and Yantai , Shandong. The tunnel
84-502: Is different from Wikidata All article disambiguation pages All disambiguation pages Yongding River The river was originally called Wuding River ( Chinese : 無定河 ; pinyin : Wúdìng Hé ), literally "unfixed river", because its flow was irregular. When the Kangxi Emperor reigned, he enacted various hydraulic engineering projects in the region to rein in the seasonal flooding. After those projects,
105-700: Is the center of the Bohai Economic Rim , and its proximity to the Chinese capital of Beijing and the municipality of Tianjin makes it one of the busiest seaways in the world. The entrance to the Bohai Sea is considered a part of the territorial sea of the People's Republic of China due to the presence of the Miaodao islands . China declared the Bohai sea to be part of its inland waters in 1958. During
126-645: The Cape of Penglai on the northernmost protrusion of Shandong Peninsula . Due to its proximity to the capital city Beijing and the population of its surrounding provinces exceeding 210 million, the exit of the Bohai Gulf to the Yellow Sea , the Bohai Strait ( 渤海海峡 ; 渤海海峽 ), has become one of busiest sea routes in recent times. Due to the Changshan Island Chain traversing the southern half of
147-659: The Guanting Reservoir , the biggest reservoir serving Beijing, and takes on the name Yongding. It enters Beijing Municipality through the Xishan Mountains west of the city in Mentougou District and descends into the flatlands of Fengtai and Daxing Districts. The river eventually flows back into Hebei Province and then on to Tianjin Municipality , where it meets the Hai River just before
168-840: The Liao dynasty , the river moved southwest to its present course, and the Lugou Bridge was built over it in 1189. When Marco Polo visited the city during the Yuan dynasty , he crossed the Yongding River on the Lugou Bridge, which became known as the Marco Polo Bridge . The river has been known colloquially as the Wuding River or the "River of Instability." In 1698, the Qing dynasty Kangxi Emperor 's government reinforced
189-567: The Pleistocene , the Bohai Sea experienced numerous glacioeustatic transgressions and regressions , as evidenced by sediment cores sampled from the seafloor showing fluvial floodplain conditions during intervals of low sea level. Until the early 20th century, Bo Hai was often called the Gulf of Zhili (Chinese: 直隸海灣 ; pinyin: Zhílì Hǎiwān ) or Gulf of Beizhili ( 北直隸海灣 ; Běizhílì Hǎiwān ). The romanization systems widely used in
210-721: The Shengli Field . Important islands or island groups in the gulf include the Changshan Archipelago , Juehua Island ( 觉华岛 ; 覺華島 ), Bijia Mountain , Changxing Island , Xizhong Island , the East/West Mayi Islands ( 蚂蚁岛 ), Zhu Island ( 猪岛 ; 豬島 ) and She Island ( 蛇岛 ; 蛇島 ). The opening of the Bohai Sea is bounded by the Changshan Archipelago between Dalian 's Lüshunkou District on the southern tip of Liaodong Peninsula , and
231-547: The 1960s. It still produces about half a million barrels a day, but is declining . Production is dominated by Chinese majors ( China National Offshore Oil Corporation (CNOOC) was mostly created for this region), but foreign companies, including ConocoPhillips and Roc Oil Company , are present. The Gudao Field, located in the Zhanhua sedimentary basin , was discovered in 1968, based on gravity, magnetic and seismic surveys conducted between 1963 and 1964. The reservoir includes
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#1732765419771252-411: The Bohai rim, even though strictly speaking they lie outside the limits of the sea. The Port of Longkou reached 70 million tons of cargo in 2013, and is expected to reach the 100 million ton landmark in the near future. The Bohai Bay contains significant oil and gas reserves, which provide much of China's offshore production. The main field in the region, named Shengli , has been exploited since
273-536: The Guantao ( Miocene ) and Minghuazhen ( Pliocene ) geologic formations within the dome-like anticline . The Suizhong 36-1 Oil Field was discovered in 1987, and produces from Oligocene fluvial - deltaic and lacustrine sandstones . Oil spills have been reported frequently in this region: three spills occurred in a two-month timeframe in 2011. In 2024, CNOOC discovered a 100 million ton oilfield in Bohai Sea. In February 2011, China announced that it would build
294-572: The West at the time rendered these names as variations of "Jili", "Chihli", "Pechihli", or "Pe-Chihli". Zhili and North Zhili were historic provinces in an area surrounding Beijing that approximately corresponds to what is now Hebei Province. There are three major bays inside the Bohai Gulf: Laizhou Bay to the south, Bohai Bay to the west, and Liaodong Bay to the north. The provincial-level administrative divisions that have
315-601: The latter enters the city and then empties into the Bohai Sea at Tanggu . Part of the river is diverted before the juncture with the Hai, and flows directly into the Bohai Sea. This channel is called the Yongding New River (永定新河). Historically, the river was notorious for its flash floods and course changes. The river has taken at least three major courses through Beijing. According to the earliest historical records,
336-558: The northwestern and innermost extension of the Yellow Sea , to which it connects via the Bohai Strait. It has a mean depth of approximately 18 meters (59 ft), with a maximum depth of about 80 meters (260 ft) located in the northern part of the Bohai Strait. The Bohai Sea is enclosed by three provinces and one direct-administered municipality from three different regions of China — Liaoning Province (of Northeast China ), Hebei Province and Tianjin Municipality (of North China ), and Shandong Province (of East China ). It
357-462: The river banks and rendered the current course permanent. Thereafter it became known as the Yongding River or the "River of Eternal Stability." Bohai Sea The Bohai Sea ( Chinese : 渤海 ; pinyin : Bó Hǎi ; lit. 'Bo Sea') is a gulf / inland sea approximately 77,000 km (30,000 sq mi) in area on the east coast of Mainland China . It is
378-600: The river originally flowed northeast from Babaoshan toward what is now the Purple Bamboo Park in Haidian District and into Wenyu River . In the Western Han dynasty , the river flowed south from Deshengmen through what is now downtown Beijing, including Qianmen and Hongqiao and Longtan Lake , before leaving to the southeast. At that time, the city was southwest of today's city center. In
399-654: The river was renamed to its modern name, which means "ever-fixed river". The Yongding River is 650 kilometers (400 mi) in length and drains an area of 47,016 square kilometers (18,153 sq mi). It emerges from the Guancen Mountains (管涔山) in Ningwu County , Shanxi Province , where it is known as the Sanggan River (桑干河) and flows northeast into Inner Mongolia and then heads southeast into Hebei Province . In Huailai County , it fills
420-472: The same term This disambiguation page lists articles about distinct geographical locations with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Yongding&oldid=854648827 " Category : Place name disambiguation pages Hidden categories: Articles containing Chinese-language text Short description
441-459: The strait, the strait is subdivided into several channels : (from north to south, the most commonly used ones in bold ) There are five major ports along the Bohai Sea rim, with throughputs over 100 million tons, though the port of Tangshan is further subdivided into Jingtang and Caofeidian: Caofeidian and Jingtang are usually treated as one port for statistical purposes. The ports of Dalian and Yantai are also traditionally considered part of
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