The origin of Heilongjiang name

Heilongjiang, named for its rich humus and dark water color. In ancient times, it was called "black water", "weak water" and "finished water"; In the Tang Dynasty, it was called "Wang Jianhe"; It was called "Heilongjiang" in Liao history.

In the early Qing dynasty, it was called "Saha Lianwula". In Manchu, "Sahalian" means "black" and "Wula" means "river". Also known as "Wujiang River" and "Wulong River" in Qing Dynasty. Russia is called "amur river".

Scholars have studied the origin of the name of Heilongjiang. In the early Liao Dynasty, Taizu was named after the word "Black Dragon". For example, there is a temple called "Black Dragon" in Zuzhou and a gate called "Black Dragon" in Taizu Mausoleum. At this point, the name "Heilongjiang" appeared in the world. There is also a record in the local chronicles: "Heilongjiang is dark and winding like a dragon, so it is named Heilongjiang."

Extended data

Rivers in Heilongjiang are mainly replenished by monsoon rainfall in summer and autumn. Rainwater quickly flowed into the river, forming a flood period from May to 65438+ 10. Its average flow rate is about 65,438+00,900 cubic meters per second (385,000 cubic feet per second).

In winter, near Khabarovsk, the flow decreases to 148 ~ 199 cubic meters per second (5300 ~ 7 100 cubic feet per second); The maximum discharge recorded in 1897 exceeds 39,200 cubic meters per second (1400,000 cubic feet per second), and the flood peak discharge in Tongjiang section of Heilongjiang reaches 43,000 cubic meters per second at 20 15 18533 cubic feet per second.

65438+1In late October, Heilongjiang began to freeze. Upstream freezing starts at 1 1, and downstream freezing ends at the second half of 1 1. The lower reaches of the river are thawed at the end of April and the upper reaches are thawed at the beginning of May. Ice jam often occurs in river bends, temporarily raising the water level as high as15m (50ft). This river brought about 20 million tons of sediment in 1 year.

Baidu encyclopedia-Heilongjiang