Which river is the largest tributary of Dadu River?

Dadu River is the largest tributary of Minjiang River. Dadu River is the largest tributary of Minjiang River, and there are many opinions about its source. There is a saying that the Dadu River originated in the southern foot of Guoluo Mountain in jiuzhi county, Guoluo Prefecture, Qinghai Province. Guoluo Mountain has a name that many donkey friends are familiar with-Nianbaoyufeng. Another way of saying it is that the source of the Dadu River is the Makehe River in Dari County, Guoluo Prefecture, Qinghai Province, and the downstream is called Zumuzu River.

In addition, there is a Chuska River originating from banma county, Guoluo Prefecture, Qinghai Province. It is generally considered to be the western source of the Dadu River, and its upstream is called the Dok River. Chuojia River and Zumuzu River meet near Gada, west of Marcand, the capital of Aba Prefecture, Sichuan Province, and are called Dajinchuan.

Hydrological characteristics of Dadu River:

The upper reaches of the basin have a plateau and mountainous climate, with cool Leng Xia in winter and little rain all year round. The annual precipitation is 500-750 mm, mainly snow, and the snow-covered period can reach 5 months.

The rest of the region has a monsoon climate, and the overall characteristics are warm in winter and hot in summer, rainy and humid. Annual precipitation 1 0,000mm, Luding and Shimian right bank area 1 0,200-1 500mm, and some downstream areas can reach10,400-1900mm. Heavy rains are mostly concentrated in the middle and lower reaches from May to September, especially in July and August.

River runoff mainly comes from precipitation. According to the 45-year statistics of the downstream Fulu Town Hydrological Station, the average flow for many years is 1500m3/s ... There is abundant groundwater and ice melt water for recharge and regulation, and the runoff has little change.