What is the geographical environment of Wuhan?

Wuhan is located in the middle and lower reaches of the Yangtze River, in the east of Jianghan Plain, with the easternmost point in Jiangjun Village, Xugu Town, Xinzhou District, the westernmost point in Guoguang Village, caidian district Dwarf Street, the southernmost point in Junbao Village, Hu Si Street, Jiangxia District, and the northernmost point in Li Chong Village, Caidian Street, huangpi district.

The total area of Wuhan is 8494.4 1 km2, accounting for 4.6% of the area of Hubei province. The circumference of the city is 977.28km, the area of seven central urban areas is 863km2, and the built-up area is 552.38+0km2.

Wuhan is high in the east and low in the west, high in the south and low in the north, and is cut into three Y-shaped pieces by the Yangtze River and the Han River. There are nearly east-west banded hills in the south of Wuhan, surrounded by dense dendritic gullies, and nearly 100 lakes spread all over the country, forming a complex terrain with developed water system and mixed mountains and rivers. The highest altitude is about 150m and the lowest land altitude is about 18m.

Wuhan belongs to subtropical monsoon humid climate zone, with abundant rainfall and sunshine, four distinct seasons, high temperature in summer, concentrated precipitation and slightly cool and humid in winter.

In a year, the average temperature in June is 5,438+10, which is 3.0℃. The highest average temperature in July is 29.3℃, and summer is 135 days. There are about 60 days in spring and autumn. The rainy season in early summer is relatively concentrated, with annual precipitation1205 mm. The active accumulated temperature in Wuhan is between 5000℃ and 5300℃, and the frost-free period of the whole year reaches 240 days.

Wuhan is criss-crossed by rivers, lakes and ports. The Yangtze River and Hanshui River meet in the city center and accept the confluence of the north and south tributaries. Many large and small lakes are embedded on both sides of the river, forming a water network of lakes and swamps.

As of 20 15, Wu Hanyou has 166 lakes, which is called "the city of 100 lakes". At normal water level, the lake area is 803. 17 square kilometers, ranking first in China. Tangxun Lake is the largest urban lake in China (with an area of 47.6 square kilometers), and East Lake with an area of 33.9 square kilometers ranks second in the central city. Liangzi Lake is one of the two inland lakes with the best ecological protection in China.