Yu the great was a ruler in ancient China famus from his introduction of flood contral. He lived in the Xia dynasty.
They dug canals.
They dug canals to connect different waterways
they are natural water ways e.g river, lakes, streams, or hand/ machine dug canals that are re-dug and bottom drugged regularly to keep them passable
they really didn't have to be afraid because they had irrigation( they dug basins to trap floodwater and had canals in case of droughts) They also knew when the floods were coming.
inundated canals are long canals taken off from large rivers and it receive water when the river is high enough and especially when it is in flood .
They dug irrigation canals to carry water from the Nile.
They dug irrigation canals to carry water from the Nile.
They dug canals to connect different waterways
They dug irrigation canals to carry water from the Nile.
They dug canals from the Nile to their lands and made gates to adjust the amount of the water flowing into the canals. The higher lands were watered from the canals using the saduf (shadoof). It was a sweep-pole well with a leather bucket.
It can be, but most are dens dug into a hillside that slope upward to avoid floods.
They dug canals that carried water from rivers to their desert homeland.