Suining, also known as Doucheng and Suizhou, is located in the middle of Sichuan Basin. It is a regional central city in Chengdu-Chongqing Economic Zone, a modern industrial base in Sichuan Province, and a modern ecological garden city characterized by "nourishing the heart" culture. It borders Chengdu in the west, Chongqing, Guang 'an and Nanchong in the east, Neijiang and Ziyang in the south, Deyang and Mianyang in the north, and is an equidistant triangle with Chengdu and Chongqing.

Located in the main axis of urbanization development in Sichuan, it is one of the "six metropolitan areas" strategically deployed and constructed in Sichuan Province and an important part of Chengdu Economic Circle and Chengdu Plain Urban Agglomeration. Suining covers a total area of 5,300 square kilometers, governs 2 municipal districts and 2 counties, and manages 1 county-level cities. In 20 18, the registered population was 3,653,500. It belongs to subtropical humid monsoon climate with mild climate, abundant rainfall, warm winter and early spring, and long frost-free period.

Introduction to the geographical environment of Suining;

1, landform

Suining is a hilly and low mountain area in the middle of Sichuan Basin, with simple geological structure and gentle folds. The landform type is single, belonging to the eroded hilly landform formed by the erosion, cutting and accumulation of flowing water in Mesozoic and Jurassic strata. Hills account for about 70% of Suining's total area, valleys and terraces account for 25%, low mountains account for 5%, and the altitude is between 300 and 600 meters. From the air, there are three obvious characteristics of the territory: first, the hills are dominant, the flat dams are narrow and the bedding is obvious.

2. Climate

Suining City is located in the middle of Sichuan Basin and belongs to subtropical humid monsoon climate. 202 1 year, the annual average temperature of counties (cities, districts) in the city is 17.4- 17.8℃ (including Chuanshan 17.7℃, Shehong 17.4℃ and Pengxi/kloc)

Reference to the above content: Baidu Encyclopedia-Suining City