Layered Continuous Muskingum method is used to rout the flood in mainstream, and the runoff process at Huaxian station is composed of the results of Muskingum and the runoff simulated in interzone.

• 干流洪水演算采用马斯京根分层连续演算法,最后将区间模拟的径流过程和干流径流过程相叠加形成华县站的流量过程。