It might happen bigger changes in some sections during continuous dry period or flood period. It can build longer key bend works to prevent unfavourable regime of river ex...

GPS-RTK bathymetric survey technique without tidal observation was successfully applied in Yangtze Estuary Channel Regulation Project for monitoring of river regime near leading jetty.

But the flood control projects will bring about a series of changes to the river channel evolution of the Yangtze, the river lake relation and hydrologic regime etc.