1D Weirs: Difference between revisions
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=Introduction=
A weir is a barrier across a designated flow path that is designed to alter flow characteristics. Most common weirs act as an obstruction, smaller but similar to a dam, that pools water behind it while allowing water to steadily flow over the top. Weirs within TUFLOW, like bridges, do not require data for length, Manning's n, divergence or bed slope so they are zero-length channels effectively.
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==Weir types that can be used within TUFLOW==
;Broad-crested weir
Broad Crested weirs are commonly used to measure the discharge of large rivers and canals.
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;Rectangular weir (sharp crested)
Sharp crested weirs are used to measure discharge in small rivers and canals.
;Trapezoidal or Cippoletti weir
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;Spillway
[[File:Weir_in_Bath_UK.jpg|border|400px]]
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Bath, UK (pht: Rohan King)
Any further questions please email TUFLOW support: [mailto:support@tuflow.com?Subject=TUFLOW%201D%20weirs%20help support@tuflow.com]
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