Abstract
Overtopping of embankments during floods leads to a spatially varied flow (SVF). In order to estimate the water surface profiles and the amount of water spilling over the embankment for a given steady-state flow condition, a mathematical model for SVF over a broad-crested weir is formulated. The mathematical model is tested for accuracy using laboratory experiments. The computed water surface profiles and the discharge estimates are within 3 and 10%, respectively, of the experimentally observed values.
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