Maximum flood season area of Poyang Lake: Poyang Lake is a typical seasonal lake. As the largest freshwater lake in China, the largest water area in flood season can reach more than 4,000 square kilometers, and it can be "slimmed down" to hundreds of square kilometers in dry season in winter.

Extended content:

1. Among the freshwater lakes in China, Poyang Lake in Jiangxi is the largest lake, and Poyang Lake is located in the Yangtze River basin of China. The climate type in the basin is subtropical monsoon climate, and the precipitation changes greatly in season, so the water level of Poyang Lake changes greatly in season, which makes the area of Poyang Lake change greatly in one year.

2. Every summer is a wet season, and the highest water level area of Poyang Lake is the largest, reaching more than 4 125 square kilometers, while winter is a dry season, and the lowest water level area of Poyang Lake is only about 500 square kilometers. We take the annual average water level of Poyang Lake, which covers an area of about 3 150 square kilometers and is the largest freshwater lake in China.