中文摘要：

应用KFVS格式建立了钱塘江二维涌潮数值模型，在实测涌潮资料验证的基础上，模型预测了钱塘江北岸海宁三期治江崮涂工程对钱塘江涌潮的影响。研究结果表明：实施围涂1万亩后，在走南河势下，大缺口及盐官的涌潮高度分别抬高0．23m和0．09m，海塘堤前涌潮流速增加5％，涌潮到达时间提前约3分钟，盐官涌潮后5分钟内的水位和流速变化率加大；围涂工程对涌潮潮景的影响较小：盐官附近的一线潮将更为壮观，尖山附近的交叉潮位置有所下移，老盐仓附近的回头潮基本不变。

英文摘要：

2D numerical model of the tidal bore in the Qiantang River was developed by using KFVS scheme in this paper. Based on the good agreement between the observed and computed data on the tidal bore, the model predicted the effect of the third Haining reclamation project on the tidal bore. The results show that after the reclamation project with area of 10,000 mu, the bore height at Daquekou and Yanguan increases by 0.23m and 0.09m separately, the maximum velocity of the bore increases 5% in front of the levee, the bore arrival time advances about three minutes, the change rate of the tidal level and velocity after the bore arrival increases within five minutes at Yanguan. The effect of the project on the sceneries of the tidal bore is just a little. A thread-shape tidal bore reach will be grander in Yanguan, the location happened a crossed tidal bore near.Jianshan moves downstream, and returned tidal bore near Laoyancang almost doesn＇t change.