Three Gorges Reservoir Region

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Three Gorges Reservoir Region
Location Chongqing municipality, Hubei province
Coordinates 30°49′48″N111°0′20″E / 30.83000°N 111.00556°E / 30.83000; 111.00556 Coordinates: 30°49′48″N111°0′20″E / 30.83000°N 111.00556°E / 30.83000; 111.00556
Primary inflows Yangtze River
Primary outflows Yangtze River
Surface area 1,084 km2 (419 sq mi)

Three Gorges Reservoir Region, including 25 county-level divisions of Chongqing municipality and Hubei province, is the region directly or indirectly involved in the submersion of the water storage of the reservoir region of the Three Gorges Dam.

Chongqing Direct-administered Municipality in Peoples Republic of China

Chongqing, formerly romanized as Chungking, is a major city in southwest China. Administratively, it is one of China's four municipalities under the direct administration of central government, and the only such municipality in China located far away from the coast.

Hubei Province

Hubei is a province of the People's Republic of China, located in the Central China region. The name of the province means "north of the lake", referring to its position north of Dongting Lake. The provincial capital is Wuhan, a major transportation thoroughfare and the political, cultural, and economic hub of Central China.

Three Gorges Dam hydroelectric dam on the Yangtze River in western Hubei, China

The Three Gorges Dam is a hydroelectric gravity dam that spans the Yangtze River by the town of Sandouping, in Yiling District, Yichang, Hubei province, China. The Three Gorges Dam has been the world's largest power station in terms of installed capacity (22,500 MW) since 2012. In 2014, the dam generated 98.8 terawatt-hours (TWh) and had the world record, but was surpassed by the Itaipú Dam, which set the new world record in 2016, producing 103.1 TWh.


Geographical condition

Formerly shallow Shen Nong Stream made into a major river, as it falls into the Yangtze near Badong Badong-Shennong-Xi-bridge-5056.jpg
Formerly shallow Shen Nong Stream made into a major river, as it falls into the Yangtze near Badong

The Three Gorges Reservoir Region is located in the upstream of the Yangtze River at the boundary of Chongqing municipality and Hubei province with the area of 59900 km² and with the population of 16 million. The Three Gorges Reservoir Region stretches along the Yangtze River from Jiangjin District of Chongqing to Yichang City of Hubei, which is very narrow and where the geography is complex. The mountainous areas represent 74% of the region only with 4.3% plain area in the river valley and 21.7% hilly area. The climate of the reservoir region of the Three Gorges Project is the subtropical monsoon climate. Its location is in the transfer between the northern temperate zone and the subtropical zone, where it is hot and it rains a lot with the annual rainfall of about 1100 mm. The valley of the Three Gorges Reservoir Region below 500 m has an annual temperature 17–19 °C and, with the frost-free period annually lasts 300–340 days. The annual runoff flow at the site of the dam of the Three Gorges Project is 451 billion m³ with the annual sediment discharge of 530 million tons.

Jiangjin District District in Chongqing, Peoples Republic of China

Jiangjin, one of the districts in the southwest of Chongqing, China, lies along the upper reaches of Yangtze River, and has a history extending back more than 1500 years. The district covers 3200 square kilometres and has a population of 1,460,000, and borders the provinces of Sichuan to the southwest and Guizhou to the south. The county seat and central town of Jiangjin is 50 km (31 mi) away by highway, 65 km (40 mi) away by railway and 72 km (45 mi) away by waterway from Yuzhong of central Chongqing.

Yichang Prefecture-level city in Hubei, Peoples Republic of China

Yichang is a prefecture-level city located in western Hubei province, China. It is the second largest city in the province after the capital, Wuhan. The Three Gorges Dam is located within its administrative area, in Yiling District. As of the 2010 census, its population was 4,059,686 inhabitants whom 1,350,150 lived in the built-up area made of Yiling, Xiling, Wujiagang and Dianjun urban districts as Xiaoting District is not urbanized yet.

Monsoon seasonal changes in atmospheric circulation and precipitation associated with the asymmetric heating of land and sea

Monsoon is traditionally defined as a seasonal reversing wind accompanied by corresponding changes in precipitation, but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with the asymmetric heating of land and sea. Usually, the term monsoon is used to refer to the rainy phase of a seasonally changing pattern, although technically there is also a dry phase. The term is sometimes incorrectly used for locally heavy but short-term rains, although these rains meet the dictionary definition of monsoon.

Natural and ecological resources

The Three Gorges abounds in water resources, ecological resources, tourism resources, and the resources of some ores, which have a great potential for exploration. The Yangtze River flows through the Three Gorges Reservoir Region with the good conditions for water transportation and the water-resources development. The potential installed capacity of hydropower can be about 30,000 MW in the Three Gorges Reservoir Region where the water resources are the most abundant for the whole main stream of the Yangtze River. Since the conditions of the Three Gorges Reservoir Region for the development of the water resources are good with a short distance to the load center, there is great potential for development of the water resources. The agricultural resources of the Three Gorges Region are abundant, which are superior for the agriculture, forestry, livestock, sideline production and fishery. The Three Gorges Reservoir Region is proper for the growth of the various plants of both the warm temperate zone and the temperate zone. Dozens of ores have been explored and investigated in the Three Gorges Reservoir Region, such as gold, silver, copper, iron, uranium, sulfur, potassium, natural gas and halite.

Hydropower energy derived from falling or running water

Hydropower or water power is power derived from the energy of falling water or fast running water, which may be harnessed for useful purposes. Since ancient times, hydropower from many kinds of watermills has been used as a renewable energy source for irrigation and the operation of various mechanical devices, such as gristmills, sawmills, textile mills, trip hammers, dock cranes, domestic lifts, and ore mills. A trompe, which produces compressed air from falling water, is sometimes used to power other machinery at a distance.

Ore rock with valuable metals, minerals and elements

An ore is an occurrence of rock or sediment that contains sufficient minerals with economically important elements, typically metals, that can be economically extracted from the deposit. The ores are extracted from the earth through mining; they are then refined to extract the valuable element, or elements.

Gold Chemical element with atomic number 79

Gold is a chemical element with symbol Au and atomic number 79, making it one of the higher atomic number elements that occur naturally. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements and is solid under standard conditions. Gold often occurs in free elemental (native) form, as nuggets or grains, in rocks, in veins, and in alluvial deposits. It occurs in a solid solution series with the native element silver and also naturally alloyed with copper and palladium. Less commonly, it occurs in minerals as gold compounds, often with tellurium.

The natural sights along the Yangtze River in the Three Gorges Reservoir Region are superb, particularly the along 162-km main river between Sandouping of Yichang and Baidicheng Town of Fengjie, which are the famous sights of the Three Gorges of the Yangtze River and one of the tourist places of interest all over the world. In addition, there are a lot of cultural and historical sites, such as the Qu Yuan Temple of Zigui, the Zhaojun Home Village of Xingshan, the Shibao Stockade of Zhong County and the ghost town of Fengdu.

Sandouping Town in Hubei, Peoples Republic of China

Sandouping is a town in Yiling District of Yichang prefecture-level city in the Chinese province of Hubei. It is located on the right (southern) bank of the Yangtze River, next to Yiling District's border with Zigui County to the west. Sandouping is best known as the location of the Three Gorges Dam, which is the world's largest electricity-generating plant of any kind.

Baidicheng castle

Baidicheng or Baidi City is an ancient temple complex on a hill on the northern shore of the Yangtze River in China, 8 km east of the present day Fengjie County seat in Chongqing municipality.

Fengjie County County in Chongqing, Peoples Republic of China

Fengjie County is a county of Chongqing Municipality, China. It is on the Yangtze River; located within a couple hundreds kilometers upstream from the Three Gorges Dam, it is within the dam's affected area.


Water level in the reservoir (at the moment, 146 m above the sea level) measured by a shore marker. (Zigui County) Changjiang-water-level-gage-4967.jpg
Water level in the reservoir (at the moment, 146 m above the sea level) measured by a shore marker. (Zigui County)

The Three Gorges Reservoir Region is an important part of the economic zone along the Yangtze River. The region is significant for both the promotion to the economic growth of the areas along the Yangtze River and the economic exchanges between the east of China and the west of China. The region is now and will be more and more superior for the economic progress of China with the gradual opening up to the world and the gradual economic promotion from the coastal areas to the river regions and the inland areas, especially with the construction of the Three Gorges Project. Furthermore, the Three Gorges Region is now and will be more and more significant for the economic progress of China.

The Three Gorges Region has made its economic aims as follows.

During the second phase of reservoir water storage, 25 county-level divisions were involved in the submersion of the reservoir water storage. But from 1992 up to 2002, they had changed a lot as follows.

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