Erhai Lake is the sea? Why is Erhai Lake called the sea?

Erhai Lake is not a sea. Erhai Lake is actually a lake. In ancient times, it was called Ye Yushui, Hull, Ye Yuze, Ye Yuhe, Xi 'er River and Kunmichuan. The name of Erhai Lake "Hai" mainly comes from the customs of Yunnan. One of the eighteen eccentrics in Yunnan is called "the lake is called the sea", so the lake is often called "the sea" in Yunnan.

Erhai Lake, located in Dali City, Dali Bai Autonomous Prefecture, Yunnan Province, is the second largest lake in Yunnan after Dianchi Lake, ranking seventh among the freshwater lakes in China. Erhai Lake has seven main functions: water supply, agricultural irrigation, power generation, climate regulation, fishery, shipping and tourism. There are several Cangshan Mountains in the west and Yushan Mountain in the east, and the space environment is beautiful.

Erhai Lake belongs to the Lancang River system, and there are Zibi Lake, East Lake and West Lake in the north, which enter Erhai Lake through Miju River, Rockfall River and Yong 'an River respectively, and are the main water sources of Erhai Lake. There are eighteen streams in Cangshan in the west, which converge in the catchment area on the east slope of Cangshan. There are Boluo River and Jinxing River in the south; There are dozens of catchments of Fengweiqing and Yulong River on the east coast, with a total runoff area of 2,565 square kilometers.

There are 1 17 ditches in Erhai Lake, with an average annual inflow of 8170,000 cubic meters. Xi 'er River is the only natural estuary river in Erhai Lake, with a total length of 22 kilometers. Erhai Lake water flows out from Xi Erhai Lake, into Yangbi River, into Lancang River and into the Pacific Ocean.