Chinese Cities – Chengdu

Chengdu is located in the western part of the Sichuan Basin, on the eastern edge of the Qinghai-Tibet Plateau, adjacent to Deyang City in the northeast, Ziyang City in the southeast, Meishan City in the south, Ya’an City in the southwest, and Aba Tibetan and Qiang Autonomous Prefecture in the northwest. The geographic location is 102°E. 54’~104°53′, between 30°05′ and 31°26′ north latitude. In 2016, the city’s land area was 14,335 square kilometers, and the urban area was 4,241,81 square kilometers, of which the built-up area was 931.58 square kilometers.

Chengdu is located on the western edge of the Sichuan Basin, and its terrain slopes from northwest to southeast; the west belongs to the edge of the Sichuan Basin, dominated by deep hills and mountains, and the elevation is mostly between 1000 and 3000 meters. The highest point is in Daxue Town, Xiling Town, Dayi County. Tang (Miaoji Ridge), with an altitude of 5364 meters; the eastern part belongs to the basin bottom plain of the Sichuan Basin, formed by alluvial rivers such as the Minjiang River and the Nianjiang River. It is the central zone of the Chengdu Plain, which is mainly composed of plains, platforms and some low mountains and hills. , The altitude is generally around 750 meters, the lowest point is at the bank of the Tuojiang River in Jianyang City, with an altitude of 359 meters. Due to the huge vertical height difference, Chengdu has formed a unique landform type of one-third of the plain, one-third of the hills, and one-third of the mountains in the city; due to the significant difference in climate, there are obvious differences in heat. The vertical climatic zone, therefore, has a wide variety of biological resources in the region, complete categories, and relatively concentrated distribution.

Chengdu belongs to the subtropical monsoon climate, with the climate characteristics of early spring, hot summer, cool autumn, and warm winter. The annual average temperature is 16°C and the annual rainfall is about 1000 mm. A notable feature of the Chengdu climate is cloudy and foggy, and the sunshine time is short. The “Shu Dog Barking Sun” in the folk proverb is a vivid description of this climate feature. Another notable feature of the Chengdu climate is the humid air. Therefore, although the temperature in summer is not high (the highest temperature generally does not exceed 35°C), it seems sultry; the average temperature in winter is above 5°C, but due to many cloudy days and humid air, It looks very gloomy and cold. The rain in Chengdu is concentrated in July and August, and the winter and spring are dry and rainless, and there is very little snow and ice.

The extreme minimum temperature in Chengdu is -5.9℃. Most districts, cities and counties appear in December, and a small part appears in January. Chengdu belongs to the humid monsoon climate zone in the mid-subtropical zone. The most common wind direction throughout the year is quiet wind; the second most windy direction: northerly wind in June, July and August, and north-northeast wind in the remaining months.

As of the end of 2019, Chengdu had a population of 16.581 million permanent residents, an increase of 251 million or 1.54% over the end of the previous year. Among them, the urban permanent population was 12.337,900, and the permanent population urbanization rate was 74.41%, an increase of 1.29 percentage points from the end of the previous year. At the end of the year, the household registration population was 150.007 million, an increase of 240,200 over the end of the previous year, and the household registration population urbanization rate was 62.54%. The central urban area (“11+2”) had a permanent population of 10.907 million at the end of the year, an increase of 219 million over the end of the previous year, and a permanent population of 4.37 million people.

Chengdu is a multi-ethnic city. Except for the Han nationality, there are 55 ethnic minorities in the territory, and the resident ethnic minority population is 129,300. Among ethnic minorities, the top ten populations are Tibetan, Hui, Yi, Qiang, Tujia, Manchu, Miao, Mongolian, Zhuang, and Bai.

On May 26, 2021, the Information Office of the Sichuan Provincial People’s Government held a press conference to announce the main data of the Seventh National Population Census in Sichuan Province: The permanent resident population in Chengdu exceeded the 20 million mark for the first time, reaching 20.938 million people. Fourth place.

In July 2020, it was selected as the National Demonstration Zone for the Implementation of New Curriculum and New Textbooks for General High Schools by the Ministry of Education.