The only prefecture-level city in China without mountains.

The only prefecture-level city in China without mountains is Yancheng, Jiangsu.

Yancheng, called Du Yan in ancient times, is also called Piaocheng, Deng Ying and Baihe. It is a prefecture-level city under the jurisdiction of Jiangsu Province and a central city in the Yangtze River Delta. It is located in the east coast of China, the east of Jiangsu Province, the Yellow Sea in the east, Nantong in the south, Yangzhou and Taizhou in the southwest, Huai 'an in the northwest and Lianyungang in the north. The whole city is a plain landform, which is a transitional zone from the north subtropical zone to the warm temperate zone. It is the only prefecture-level city in China without mountains.

Yancheng is a plain landform, which is high in the northwest and southeast and low in the middle and northeast. Most areas are less than 5 meters above sea level, and the maximum relative height is less than 8 meters. It is divided into three plain areas: Huanghuai Plain, He Lixia Plain and Binhai Plain. Huang-Huai Plain is located in the north of the main irrigation canal in northern Jiangsu Province, and its terrain is roughly centered on the abandoned Yellow River, and gradually descends to the northeast and southeast. The highest elevation of the abandoned Yellow River is 8.5 meters, and the lowest elevation along the southeast Sheyang River is only about 1 meter.

The climate of Yancheng

Yancheng City is located in the transitional zone from the north subtropical zone to the warm temperate zone, generally bounded by the main irrigation canal in northern Jiangsu, with a subtropical climate in the south and a warm temperate climate in the south, which has transitional characteristics. The climate is greatly influenced by the ocean. Compared with western Jiangsu at the same latitude, the temperature in spring is low and rises late.

The temperature drops slowly in autumn and is higher than that in spring. The annual precipitation is also significantly higher than that in the western part of the province. The monsoon climate is obvious, and the winter is affected by the cold air mass in Eurasia, with northerly winds and cold weather; In summer, influenced by the Pacific subtropical high, southerly winds prevail, with hot weather, warm and humid air and abundant rain.

Reference to the above content: Baidu Encyclopedia-Yancheng City