Traversing Jiangsu province, the Yangtze River belong to lower reach and estuary of the river, it has more than 400km span, alluvial plain riverbed, large flux, small gradient, wide river surface, much sand and disorderly current.

• 横贯江苏的长江河道属长江下游段与河口段，全长400余公里，为冲积性平原河床，具有流量大、比降小、江面宽阔、沙多流乱等特点。