Jinan, also known as "Spring City", is the capital of Shandong Province, one of the 15 sub-provincial cities in China, the central city in the southern wing of the Bohai Rim region, and the political, cultural, educational, economic, transportation and scientific and technological center of Shandong Province. Headquarters of the Army Organs in the Northern Theater of the Chinese People's Liberation Army? [3]? , Shandong Peninsula Urban Agglomeration and Jinan Metropolitan Area Core Cities and New First-tier Cities.

Jinan is known as the "Spring City" because there are many springs in China, including "72 springs". Known as "lotus flowers on all sides and willows on three sides, one city has mountains and half a city has lakes". The eight scenic spots in Jinan are world-famous. It is a tourist city with unique characteristics of "mountains, springs, lakes, rivers and cities", a national historical and cultural city, the first batch of excellent tourist cities in China, and prehistoric culture.

Jinan is connected to the capital economic circle in the north, the Yangtze River Delta economic circle in the south, Shandong Peninsula and Central China in the east and west. It is an important intersection of Bohai Economic Zone and Beijing-Shanghai Economic Axis, and one of the central cities of Bohai Economic Zone and the middle and lower reaches of the Yellow River. Jinan has successfully held many international and domestic activities, such as the Asian Cup, the National Games, the China International Garden and Flower Expo, and the China Art Festival. 20 15 the 22nd international conference on historical science was also successfully held in Jinan, marking the first time that this world event entered Asia more than a century after its establishment. The 20th16 Annual Meeting of China Green Company and the 5th World Photography Congress on 20th17 opened in Jinan.

On February 7, 20 16, 16, Jinan was listed as the third batch of national comprehensive pilot areas for new urbanization by the State Council. 20 17 China top 100 cities ranking 19. From June 2065438 to June 2008, the State Council officially approved the Overall Plan for the Construction of the Comprehensive Experimental Zone for the Conversion of New and Old Kinetic Energy in Shandong, supporting Jinan to build a national pioneering zone for the conversion of new and old kinetic energy.

The topography of Jinan can be divided into three zones: the Yellow River in the north, the piedmont plain in the middle and the hilly and mountainous areas in the south. The main peaks in the territory are Changchengling, Paomaling, Ladder Mountain and Heiniuzhai. There are more than 3,000 square kilometers of mountains and hills and 5,000 square kilometers of plains. The highest altitude is 1 108.4m, the lowest altitude is 5m, and the height difference between north and south is 1 100m.

Jinan has many springs because of its unique topographical and geological structure. Jinan is located in the heart of Shandong Province, with low mountains and hills in central and southern Shandong and alluvial plains in northwest Shandong, just sandwiched in the middle. It is a gentle monoclinic structure with a height difference of more than 500 meters. The urban terrain is naturally high in the south and low in the north, which is conducive to the collection of surface water and groundwater into the urban area.

Jinan is located in the mid-latitude zone, influenced by solar radiation, atmospheric circulation and geographical environment, and belongs to temperate monsoon climate. It is characterized by obvious monsoon, four distinct seasons, drought and little rain in spring, warm and rainy in summer, cool and dry in autumn and cold and little snow in winter. The annual average temperature is 13.8℃, the frost-free period is 178 days, the highest temperature is 42.5℃ (1July 24th, 955), and the lowest temperature is-0/9.7℃ (1953 65438+/). The monthly average maximum temperature is 27.2℃ (July) and the monthly average minimum temperature is -3.2℃(65438+ 10 month). The average annual precipitation is 685 mm.

According to the main data bulletin of the 6th China Census in Jinan in 20 10, the permanent population of Jinan is 6810.40 million, and the urban population is 4,335,900. Jinan is a provincial capital city with a large population of scattered and mixed ethnic minorities in eastern China, with 49 ethnic minorities, with a population of 109299, accounting for 1.84% of the total population of Jinan. Among them, the Hui nationality accounts for 88.79% of the minority population, and ten ethnic minorities, including Hui, Manchu, Mongolian, Hani, Korean, Miao, Zhuang, Uygur, Yi and Tibetan, account for 98.42% of the minority population in Jinan.

In 20 15, the GDP of Jinan was 6 1002 billion yuan, an increase of 8. 1% over the previous year. By industry, the added value of the primary industry was 30.54 billion yuan, an increase of 4.1%; The added value of the secondary industry was 230.70 billion yuan, an increase of 7.4%; The added value of the tertiary industry was 348.78 billion yuan, an increase of 8.9%. The ratio of three industries is 5.0:37.8:57.2.

Extended data:

According to the latest year's operating data of 170 brand, the user behavior data of 19 internet company and the city big data of data institutions, CBN New First-tier City Research Institute ranks 338 cities above prefecture level again.

In order to ensure the continuity and comparability of the list, this latest ranking of 20 18 cities' commercial charm follows the five indicators of the previous year, such as concentration of commercial resources, urban hub, urban crowd activity, lifestyle diversity and future plasticity, and maintains the original algorithm framework: the weight of the first-level indicator is calculated by the expert Committee of the new first-tier city research institute, and the data below the second-level indicator is calculated by principal component analysis.

338 cities at prefecture level and above in China (2065438+April 2008):

First-tier cities: 4

New first-tier cities: 15

Second tier cities: 30

Third tier cities: 70

Fourth-tier cities: 90

Fifth-tier cities: 129

References:

Baidu Encyclopedia-Jinan, Baidu Encyclopedia-China City New Rank Ranking