Changshu, nicknamed "Qinchuan", is a county-level city under the jurisdiction of Jiangsu Province. It is hosted by Suzhou City and located in the southeast of Jiangsu Province, on the south bank of the lower reaches of the Yangtze River. The territory is low-lying and intertwined with water networks. It is located in a temperate zone and belongs to a subtropical monsoon marine climate. By the end of 20021,the whole city had 8 towns and 6 streets, with a total area of 1276.32 square kilometers; By the end of 2022, the permanent population of the city was1692,400.

In the sixth year of Liang Datong in the Southern Dynasty (540), Changshu County was established in the land of Nansha, and Nansha City (now Fushan in Haiyu Town) was established in the county, which was the beginning of the name of Changshu County. Changshu city is named "Changshu" because of "fertile soil, no floods and droughts at the age of". It is a national historical and cultural city, located in a water town in the south of the Yangtze River, known as the "blessed land in the south of the Yangtze River" and one of the birthplaces of Wu culture. At the same time, it is also an excellent tourist city in China, an international garden city, a national ecological city and the first batch of international wetland cities in the world.

Topography and climate characteristics:

Changshu City is low-lying and interwoven with water networks, with an altitude of 3-7 meters. The southern part of the territory is low-lying, belonging to the Taihu Lake water network plain, with a minimum of 2.5 meters in some areas; The northwest and northeast are slightly higher, belonging to the alluvial plain of the Yangtze River. The hills in the territory mainly include Yushan, Gushan and Fushan. Among them, Yushan Mountain is the most, with an altitude of 263 meters and a ridge of 6400 meters long.

Changshu is located in the temperate zone, with a subtropical monsoon marine climate, four distinct seasons, mild climate and abundant rainfall. The annual average temperature of 20 15 16.9℃ and the annual extreme maximum temperature of 38.3℃ appeared on August 3rd. The annual extreme minimum temperature is -3.3℃, which appears on 1 2nd of the month. The annual precipitation is 16 15.3 mm, which is the largest precipitation in Changshu since the station was established, which is 479.7 mm higher than the average over the years (the average over the years is 1 135.6 mm).

In 20 15 years, the plum blossom is normal and the plum blossom is slightly late; Plum grows for 28 days; The amount of plum rain is 6 14 mm, which is abnormally high. The annual sunshine hours are 17 1 1.3 hours, which is 102.6 hours less than the average over the years (the average over the years is 18 13.9 hours), and the annual sunshine percentage is 39%.

The above contents refer to Baidu Encyclopedia-Changshu City.