I understand (I think) why Canals have them, but why rivers
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Dams to maintain water level in the channel deep enough for boats to use, plus locks so boats can move from one section to the next. Also, turning a river into a series of lakes reduces the speed boats have to go to get upriver.
Dams to maintain water level in the channel deep enough for boats to use, plus locks so boats can move from one section to the next. Also, turning a river into a series of lakes reduces the speed boats have to go to get upriver.
Usually so boats can get past dams. Think of the lock as a short little canal that bypasses the dam.
Dams to maintain water level in the channel deep enough for boats to use, plus locks so boats can move from one section to the next. Also, turning a river into a series of lakes reduces the speed boats have to go to get upriver.
Usually so boats can get past dams. Think of the lock as a short little canal that bypasses the dam.
Usually so boats can get past dams. Think of the lock as a short little canal that bypasses the dam.
Locks on rivers essentially turn them into navigable canals. Without the locks, many rivers have rapids or short sections that cannot be navigated by ships / barges due to low clearance.
Locks on rivers essentially turn them into navigable canals. Without the locks, many rivers have rapids or short sections that cannot be navigated by ships / barges due to low clearance.
Locks on rivers essentially turn them into navigable canals. Without the locks, many rivers have rapids or short sections that cannot be navigated by ships / barges due to low clearance.
I keep seeing the word ‘dam’ and feel it should be Weir.
A dam stops the water flowing, a Weir is a way to keep the water level high, by letting the excess flow over the top.
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