Dianchi Lake, also known as Kunming Lake, Kunming Pool, South Yunnan Ze and Yunnan Sea. In the southwest of Kunming, there are rivers such as Panlong River. Lake elevation 1886 meters, covering an area of 330 square kilometers. It is the largest freshwater lake in Yunnan Province and is known as the Pearl of the Plateau. The average water depth is 5m, and the deepest part is11m. The lake is discharged from the southwest Haikou and named Tanglangchuan, which is the source of Pudu River, a tributary of Jinsha River, the main stream of the upper Yangtze River.

Hydrological characteristics

The upper reaches of the Panlong River basin cover an area of 903 square kilometers, with an average annual runoff of 654.38+65 million cubic meters. After the sluice was built in Haikou, the water level in Dianchi Lake was basically under human control.

According to the Regulations on the Protection of Dianchi Lake in Yunnan Province, the controlled operating water level in Dianchi Lake offshore is: normal high water level 1887.5m, minimum operating water level 1885.5m, countermeasure water level in extreme drought year 1885.2m, and limited water level in flood season 1887.2m, which comes once every 20 years. Years of data show that it is basically within the controllable range.

The above content reference: Baidu Encyclopedia-Dianchi Lake