An extended reach of the major Italian river, the river Po, is suitable for navigation. Regulation works are however needed to ensure good navigation conditions also during low water periods. Designing has been supported by hydraulic mathematical modeling in order to evaluate long term and middle term effects. Mobile bed simulations have been performed using a mathematical model based on one-dimensional shallow water equations and on Exner equation. The model has been numerically implemented with an implicit finite difference algorithm based on the four points Preissman scheme. Both actual and designed river configura-tions have been modeled in order to evaluate effects on design navigation channel, on sediment balance and bottom evolution, on hydraulic risk and on solid mass fluxes to the river delta.

River Po low water training. The importance of mathematical modeling to support designing activities.

SCHIPPA, Leonardo;PAVAN, Sara;COLONNA, Stefano
2006

Abstract

An extended reach of the major Italian river, the river Po, is suitable for navigation. Regulation works are however needed to ensure good navigation conditions also during low water periods. Designing has been supported by hydraulic mathematical modeling in order to evaluate long term and middle term effects. Mobile bed simulations have been performed using a mathematical model based on one-dimensional shallow water equations and on Exner equation. The model has been numerically implemented with an implicit finite difference algorithm based on the four points Preissman scheme. Both actual and designed river configura-tions have been modeled in order to evaluate effects on design navigation channel, on sediment balance and bottom evolution, on hydraulic risk and on solid mass fluxes to the river delta.
2006
0415408156
Mathematical model; River evolution; River regulation
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/520628
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