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They reduce flow, and create a backpool which reduces flow downstream
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∙ 12y ago
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How did the Mesopotamians control their rivers?
Through dams, weirs and canals.
What three factors affect how fast rivers flows?
The amount of rain fall feeding the river. The slope of the riverbed. The placement of weirs and dams, and the natural obstruction caused by boulders impeding the flow.
What is the definition of weirs?
Weirs are man made obstacles in rivers. They are similar to dams as they allow water to pool behind them and let water flow over them. They are used to alter the flow of a river to make it navigable.
How can you use 'weirs' in a sentence?
The stream flow was interrupted by a series of weirs.
What is end contraction of a sharp crested weir?
The sharp-crested weirs are classified according to the shape of the weir opening, such as rectangular weirs and triangular weirs.
What are weirs?
POT-A-TO
What was the affect of the rivers flooding in Mesopotamia?
The affect of rivers flooding in Mesopotamia was that the rivers would deposit silt which was very good for growing crops
Did the Hupa Indians use weirs?
No they used there hands with bare
Do rivers affect thunderstorms?
no
Why do weirs smell like Vick?
No
Why are weirs made?
to catch your fish
What are weirs made of?
what is weris what is it made from
