Is Tianjin a municipality directly under the central government?

Tianjin, referred to as Tianjin for short, is a municipality directly under the Central Government of the People's Republic of China, a national central city, a megacity, an economic center around the Bohai Sea, the first batch of coastal open cities, a national advanced manufacturing R&D base, a northern international shipping core area, a financial innovation operation demonstration area and a pioneering area for reform and opening up.

Tianjin was built in the second year of Yongle in the Ming Dynasty 1 1 month 2 1 day (1404 65438+February 23). It is the only city in ancient China with an exact record of the time when it was built. After more than 600 years, Tianjin has created a unique urban landscape that combines Chinese and Western cultures and is compatible with ancient and modern times.

Tianjin is located at the intersection of five tributaries of Haihe River in North China Plain, bordering Bohai Sea in the east and Yanshan Mountain in the north. Haihe River winds through the city and is the mother river of Tianjin. Tianjin Binhai New Area is known as "the third economic growth pole of China". Tianjin is the permanent host city of the Summer Davos Forum.

20 14 12 12 and China (Tianjin) Pilot Free Trade Zone in Tianjin Binhai New Area were officially approved by the state. 2065438+April 2, 20051day, China (Tianjin) Pilot Free Trade Zone was officially listed. China (Tianjin) Pilot Free Trade Zone is the first free trade zone in northern China.

By the end of 20 17, the permanent population of Tianjin was15,568,700, the total retail sales of social consumer goods was 572.967 billion yuan, the per capita disposable income was 37,022 yuan, and there were 4,093 high-tech enterprises.

20 17 China top 100 cities ranked 5th.

geology

The geological structure of Tianjin is complex, and most of it is covered by Cenozoic sediments. The terrain is dominated by 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 of1052m; The lowest in the southeast, 3.5 meters above sea level. The highest peak in the city: Jiushan Peak (elevation1078.5m). The general outline of the landform is high in the northwest and low in the southeast.

Tianjin has three kinds of topography: mountains, hills and plains, with plains accounting for about 93%. Except for the mountainous area bordering the southern foot of Yanshan Mountain in the north, the rest are alluvial plains, and the mountainous area in the north of Jizhou District is low hills below the altitude of 1000 meters. Near the mountain is an inclined plain composed of alluvial fans, which is fan-shaped The southern part of the inclined plain is alluvial plain, and the southeastern part is coastal plain.

climate

Tianjin is located in the north temperate zone, on the east coast of Eurasia in mid-latitude, and is dominated by monsoon circulation. It is an area where East Asian monsoon prevails, and belongs to warm temperate semi-humid monsoon climate. Near Bohai Bay, the influence of marine climate on Tianjin is obvious. The main climatic characteristics are: four distinct seasons, windy spring, drought and little rain; Summer is hot and the rain is concentrated; Autumn is cool and the temperature is moderate; Winter is cold, dry and snowy, so late spring, early summer and autumn are the best seasons to travel to Tianjin.

There is northerly wind in Dorsey in winter, with low temperature and little precipitation. In the summer half year, the subtropical warm high pressure in the Pacific Ocean is strengthened, with southerly winds as the main factor, high temperature and heavy precipitation. Sometimes there is a spring drought. The average annual temperature in Tianjin is about 14℃, and it is the hottest in July, with an average monthly temperature of 28℃. The highest temperature in history is 4 1.6℃. 1 is the coldest month with an average monthly temperature of -2℃. The lowest temperature in history is-17.8℃. The annual average precipitation is between 360 and 970 mm, and the average value of (1949-20 10) is about 600 mm.