Hydrological characteristics of Zhaoqing

The hydrological characteristics of Zhaoqing are as follows: the two major water systems in Zhaoqing are Xijiang River and Beijiang River. Xijiang River joins Beijiang River in Sanshui District from west to east and flows into the Pearl River. The water quality in this area is good.

Xijiang River is the second largest river in China after Yangtze River, with Suijiang River, a tributary of Xijiang River and Beijiang River as the center, Guangzhou, Shenzhen and Hong Kong in the east, Wuzhou in Guangxi in the west, Jiangmen, Zhuhai and Macau in the south and Shaoguan in the north. The annual runoff of rivers in the city is 26 13 billion cubic meters.

Main climatic characteristics of Zhaoqing city

Spring is warm and rainy, which is a year with low temperature and little rain, and it is a little cold in spring; There is more rainfall before and after the flood season, and the precipitation of "dragon boat water" and tropical cyclone is obvious; Strong convective weather is frequent, windy weather is more, and tornadoes appear in some places.

In June, continuous heavy rains in Xijiang and Suijiang River basins caused the water level in Suijiang River to exceed the warning. There were three typhoons in July and August, which caused serious disasters; It is extremely hot in July and August, and the highest temperature approaches the historical extreme (39. 1℃). 9. 10 is cool in autumn and the temperature is low; There is little rain and high temperature in autumn and winter. Beginning of winter is as warm as spring.

On June 5438+065438+ 10, a rare thunderstorm, gale and hail weather occurred in late autumn; "Winter solstice" is sunny, cold and dry, and the low temperature frost in the northern region is obvious; The historical extreme minimum temperature in urban areas is 0℃. During the year, meteorological disasters such as rainstorm, flood, high temperature, strong convection and cold damage occur from time to time in the city.