Where is Jianghan Plain?

Location of Jianghan Plain: It is located in the south-central part of Hubei Province, a province of thousands of lakes in Hanzhong. Jianghan Plain starts from Zhijiang in Yichang in the west, reaches Wuhan, the largest city in Central China in the east, reaches Zhongxiang in the north, and is connected with Dongting Lake Plain in the south. It is located between 29 26' ~ 3137' north latitude and114' ~114 36' east longitude, covering an area of more than 46,000 square kilometers.

Jianghan Plain is formed by alluvial deposits of the Yangtze River and the Han River. Jianghan Plain is located in the west and middle of the two lakes basin, with criss-crossing rivers and dotted lakes. It is an important part of the plain in the middle and lower reaches of the Yangtze River. Together with Dongting Lake Plain, it is called "Two Lakes Plain", with an average elevation of only about 27 meters, which is one of the lowest plains in China.

Extended data:

Climate in Jianghan Plain

Jianghan plain belongs to subtropical monsoon climate, with an average annual sunshine hours of about 2000 hours and an annual total solar radiation value of about 460 ~ 480 kJ/cm2. The frost-free period is about 240 ~ 260 days, the duration above 10℃ is about 230 ~ 240 days, and the active accumulated temperature is 5 100 ~ 5300℃. All parts of the plain are suitable for growing warm crops such as cotton and rice. The annual average precipitation is1100 ~1300mm, and the precipitation from April to September with high temperature accounts for about 70% of the annual precipitation.

Hanjiang river basin is an important channel for cold air to go south, and Jianghan plain bears the brunt. Low humidity and rainy weather often occur in spring and autumn, which makes the probability of dry seedling rot and empty shell rate of late rice in the second season higher. In case of years with long plum rains and heavy rains, early summer is prone to floods; Midsummer is often controlled by subtropical ridge; There are many sunny days in autumn and many droughts in summer and autumn.

Baidu Encyclopedia-Jianghan Plain