长江“南京-南通”河段演变及碍航特性分析

南京至南通河段作为长江口深水航道12.5 m水深向上延伸的重要组成部分，航道条件极为重要。在已有研究成果的基础上，收集“南京-南通”河段大量实测水文、地形资料，系统分析了该河段河床演变和碍航特性，并进行了演变趋势预测。根据预测成果，结合该段航运发展需求和航道整治目标，针对不同河段，提出了航道整治方案初步设想，为该段航道整治提供了参考。

Study on river evolution of Nanjing-Nantong section of Yangtze River and its navigation-obstructing characteristics

The Nanjing-Nantong section is an important part of the deepwater channel extending upward at a depth of 12.5 m of Yangtze River Estuary,so its navigation condition is crucial.Based on the previous research results,massive hydrological and topographical data measured in the Nanjing-Nantong section are collected and the recent evolution and navigation-obstructing characteristics of the river channel is analyzed;the evolution trend is predicted as well;the preliminary scheme of waterway regulation is put forw...