This paper analyses water characteristics of the tidal mouth of Xiaoqing River, and presents water quality models of one-dimension confined reach.
该文分析了小清河河口段的水质特征，提出了适用于该潮汐河流的一维有限段水质模型。
2
The Tong Cheng Reach is the lower part of the Yangtze River, where the water abstraction is active and gives impact both on the location of the tidal limit and on that of the tidal current limit.
通澄河段是长江下游感潮河段，沿江抽、引水频繁，对潮区界和潮流界都有影响。
3
Hydrological factors of formation of large flood in the lower tidalreach of the Yangtze River are analyzed, and change trend of large flood is revealed.