Influence of the first river attack on the hydrological system of the ancient Hanjiang River

Influence of the first river attack on the hydrological system of the ancient Hanjiang River;

1. Hydrological impact: The discharge of the ancient Han River increases, the carrying capacity of the river increases, and the riverbed erosion increases.

2. Influence of water system: The area of the ancient Hanjiang River basin increases, the flow is lengthened, the tributaries increase and the gap increases.