Traditional Culture Encyclopedia - Weather inquiry - 7.23 meters! What factors affect the recovery of Poyang Lake water level?
7.23 meters! What factors affect the recovery of Poyang Lake water level?
As one of the most important freshwater lakes in China, Poyang Lake is not only a huge area, but also a very important ecological and animal and plant protection base. However, with the coming of summer, the middle and small areas of the Yangtze River are facing drought and high temperature. The water area of Poyang Lake is decreasing continuously, and compared with the initial water area, the reduction range can reach more than 80%.
7.23 meters! The water level in Poyang Lake stopped falling and rebounded. After entering summer, it is affected by dry weather. The water level of Poyang Lake even fell below 7 meters. In addition, the drought lasted for more than 80 days, and the water level area was also declining. But this time, the water level in Poyang Lake rose, which stopped the previous downward trend. For example, in some areas of Poyang Lake, the meteorological monitoring station clearly knows that the water level of Poyang Lake has risen by 7.23 meters. The large increase in water area shows that the water storage capacity of Poyang Lake has been greatly improved.
Mainly affected by rainy weather. First of all, the water level of Poyang Lake has stopped falling and rebounded. In the final analysis, it is because of the influence of rainy weather, according to the statistics of China's meteorological department. The water level in Jiujiang section of Poyang Lake has an obvious upward trend, and some rainfall has appeared in Jiangxi. The drought in Poyang Lake has been effectively alleviated, although the water area and water level in other areas cannot be restored to the previous level. But compared with the worst period before, there has been a good relief.
Does not mean that the drought will disappear. Secondly, the rising water level does not mean that the drought in Poyang Lake has really disappeared. You know, rainy weather is short-lived and wide-ranging. Therefore, the rainfall that can be brought to the local area is very limited, and it cannot be considered that the drought has been alleviated.
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