Tianjin
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2024-05-17 11:04:39
Tianjin
Tianjin
Tianjin, abbreviated as "Jin" and also known as "Jingu" or "Jinmen", is a provincial-level administrative region, municipality directly under the central government, national central city, and mega city in the People's Republic of China. It is one of the first coastal open cities, a national advanced manufacturing research and development base, a core area for northern international shipping, a demonstration area for financial innovation and operation, and a leading area for reform and opening up. As of October 2023, Tianjin has a total of 16 districts with a total area of 11966.45 square kilometers. The municipal government is located at No. 30 Youyi Road, Hexi District. As of the end of 2023, the permanent population of Tianjin was 13.64 million, with an urbanization rate of 85.49%，sports fitness .
Tianjin is located in the north of China, northeast of the North China Plain, downstream of the Haihe River Basin, bordering the Bohai Sea in the east, Yanshan Mountain in the north, the capital Beijing in the west, and the rest are adjacent to Hebei Province. It has a warm temperate semi humid monsoon climate with four distinct seasons. Tianjin is the main node of the China Mongolia Russia Economic Corridor, the strategic fulcrum of the Maritime Silk Road, the intersection of the "the Belt and Road", and the nearest eastern starting point of the Eurasian Continental Bridge. It is an important hub connecting domestic and foreign countries, the north and south, and the east and west. It is an important sea port adjacent to inland countries and the largest port city in northern China.
Tianjin is a national historical and cultural city that has emerged since ancient times due to water transportation. After the mid Tang Dynasty, it became a water and land terminal for transporting grain and silk from the south to the north; During the Jin Dynasty, Zhiguzhai was established at the confluence of the North South Canal and the Haihe River at the mouth of the Sancha River, which was the earliest construction in Tianjin; The Yuan Dynasty established Haijin Town, which was a military hub and a center for transporting grain and grain; In the second year of the Yongle reign of the Ming Dynasty (1404), the city was officially built. On March 7th of the third year of the Yongzheng reign, Tianjin Wei was promoted to Tianjin Prefecture, under the jurisdiction of Hejian Prefecture (Hejian Prefecture is located in Hejian County, now Hejian City, Cangzhou City, Hebei Province). In the ninth year of the Yongzheng reign, Tianjin Prefecture was elevated to Tianjin Prefecture, which included six counties (Tianjin, Yanshan, Qingxian, Qingyun, Nanpi, and Jinghai) and one prefecture (Cangzhou). After 1912, Tianjin Prefecture was abolished. It is the only city in ancient China with a precise record of its founding time.
In 2023, Tianjin achieved a regional GDP of 1673.73 billion yuan, an increase of 4.3% compared to the previous year
geographical environment
Location domain
Tianjin is located between 38 ° 34 ′ -40 ° 15 ′ N and 116 ° 43 ′ -118 ° 4 ′ E, in the East Eight Zone of the International Time Zone. The total land area is 11966.45 square kilometers, the coastline is 153.669 kilometers long, and the land boundary is 1137.48 kilometers long. It is located on the west coast of the Pacific Ocean, in the northeast of the North China Plain, at the lower reaches of the Haihe River Basin, bordering the Bohai Sea in the east, Yanshan Mountain in the north, and the capital Beijing in the west. The rest of the land borders Hebei Province. It is the junction and entrance of the five major tributaries of the Haihe River, namely the South Canal, Ziya River, Daqing River, Yongding River, and North Canal. It is known as "the top of the nine rivers" and "the hub of the river and the sea"
topographic features
The geological structure of Tianjin is complex, with most of it covered by Cenozoic sediments. The terrain is mainly composed of plains and depressions, with low mountains and hills in the north, and the altitude gradually decreases from north to south. The highest in the north, with an altitude of 1052 meters; The lowest point in the southeast is at an altitude of 3.5 meters. The highest peak in the city: Jiushan Mountain (with an altitude of 1078.5 meters). The overall contour of the terrain is high in the northwest and low in the southeast. Tianjin has three types of terrain: mountains, hills, and plains, with plains accounting for approximately 93%. Except for the mountainous areas that border the southern side of Yanshan in the north, the rest belong to alluvial plains. The mountainous areas in the northern part of Jixian County are low mountains and hills below an altitude of one kilometer. Near the mountains is a sloping plain composed of alluvial fans, distributed in a fan-shaped pattern. To the south of the inclined plain is the alluvial plain, and to the southeast is the coastal plain. The only registered island in Tianjin, Sanhe Island, is located in the ancient town of Beitang in Tianjin Binhai New Area. It is named after the confluence of Yongding New River, Chaobai River, and Jiyun Canal.
climate
Tianjin is located in the northern temperate zone on the east coast of the mid latitude Eurasian continent, mainly dominated by monsoon circulation. It is an area where the East Asian monsoon is prevalent and belongs to a warm temperate semi humid monsoon climate. Near the Bohai Bay, the impact of marine climate on Tianjin is quite significant. The main climatic characteristics are distinct four seasons, with more winds in spring and less rain and drought; Summer is hot, with concentrated rainfall; Autumn is refreshing with moderate warmth and cold; Winter is cold, dry with little snow, so late spring, early summer, and autumn are the best seasons for traveling to Tianjin. In winter, there are mostly northwest winds, lower temperatures, and less precipitation; In the summer half year, the subtropical warm high pressure system in the Pacific strengthens, mainly with southerly winds, high temperatures, and more precipitation. Sometimes there will be spring drought. The annual average temperature in Tianjin is about 14 ℃, with July being the hottest and a monthly average temperature of 28 ℃; The highest historical temperature is 41.6 ℃. January is the coldest with an average monthly temperature of -2 ℃. The lowest historical temperature is -17.8 ℃. The average annual precipitation ranges from 360 to 970 millimeters, with an average of around 600
