Data recorded by the Huayuankou Hydrologic Station, which is 120 km downstream Xiaolangdi and is the first of its kind on the lower reaches of the Yellow River, shows that the depth of water is increasing and the riverbed is becoming wider and deeper.

• 在距小浪底120公里的黄河下游第一个水文站花园口，有数据表明，水深正逐渐增加，证明河床变宽变深了。