杭州湾北岸独山浅滩冲淤分析

Scouring-silting evolution of Dushan shallows in north bank of Hangzhou bay

通过分析历史资料,研究杭州湾北岸独山浅滩水动力特征、岸线的演变特征。基于对2005年和2013年水下地形测量资料的分析,研究独山浅滩近年来的冲淤变化以及深槽位置变化趋势。结果表明:杭州湾北岸岸线趋于稳定,独山浅滩区域偏向淤积,深槽位置有外移的趋势。

Based on the measured data, we study the hydrodynamic characteristics of Dushan shallows and evolution features of the shoreline. Based on the analysis of the survey data in sea bottom of 2005 and 2013, we study the erosion deposition variation of Dushan bank and changing trend of the deep groove during the past 3 years. The results show that the north of Hangzhou bay coastline tends to be stable, Dushan bank region bias deposition, and the deep groove tends to move outside.