The rise in maximum flood level of river upstream of weir due to its construction called
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It is called Highest flood level weir due to its construction
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The 'rise' in the 'maximum flood level' of the river 'upstream' of the 'weir' due to its 'construction' called 'afflux'.
- Afflux is the increase in 'upstream water depth' as a result of the 'constriction' of a 'flow channel'. Before the placement of a 'bridge' across a 'watercourse', the water surface for a given 'flood discharge' could also be assumed normal.
- When the weir obstructs the 'flow of water' within the 'watercourse' the water heads abreast of the 'upstream facet' of the weir. This rise is most throughout floods. The 'quantity' by which the amount rises higher than the 'conventional level' is called 'afflux'.
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