Application of fluvial landforms and the theary of riverbed balanced section of Li Bing one of the pioneers in Chinese water conservancy history,in the construction of the Dujiang Weir is presented.
论述李冰科学地利用地貌条件、河流动力均衡原理和河床平衡剖面理论，修建和管理都江堰的成功经验。
Regarding the river equilibrium profile as the inland base level is under suspicion.
将河流平衡剖面看成是陆区基准面的观点已受到怀疑，有迹象表明地貌基准面有可能是陆区基准面。