Canals can connect bodies of water, usually rivers.
Inundation canals are canals that are linked to large rivers. Perennial canals are the canals which are linked with dams. Inundation canals provides water only when rivers are flooded while perennial canals supplies water all the time.
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 .
both contain water
They connected rivers and lakes to create one continuous water passageway.
From the Tigris and Euphrates Rivers, their tributaries, from associated dams and canals.
British Waterways cares for 2200 miles of historic rivers and canals.
They used irrigation canals to draw water from the Euphrates and Tigris Rivers into their cities.
The Great Lakes are connected to the Gulf of Mexico by way of the Illinois River (from the Chicago River) and the Mississippi River. An alternate track is via the Illinois River (from Chicago), to the Mississippi, up the Ohio, and then through the Tennessee-Tombigbee Waterway(combination of a series of rivers and lakes and canals), to Mobile Bay and the Gulf. Commercial tug-and-barge traffic on these waterways is heavy.
Perennial canals are those canals that have water either from rivers or from artificial lakes.Read more: What_are_perennial_canals
Canals are channels of water which people have made. Rivers are natural watercourses. Their course may be altered by people for various reasons but they are essentially natural.
From dams, irrigation channels and canals on the Tigris and Euphrates Rivers. Mesopotamia means between the rivers.