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Prediction of Shoaling in Estuarial Channels: A Microcomputer Application

by E. J. Hayter, Clemson Univ, Dep of Civil, Engineering, Clemson, SC, USA,
V. Tapasvi, Clemson Univ, Dep of Civil, Engineering, Clemson, SC, USA,
P. K. Mukherjee, Clemson Univ, Dep of Civil, Engineering, Clemson, SC, USA,
A. J. Mehta, Clemson Univ, Dep of Civil, Engineering, Clemson, SC, USA,



Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age

Abstract:

Shoaling rates at three predominant areas of sedimentation in the Hooghly River estuary, India, have been predicted using a sediment transport model run on an IBM compatible microcomputer. The one-dimensional model uses a settling function to determine the amount of sediment which deposits in an estuarial channel segment. A two node, finite difference schematization is used to simulate a settling basin, with a node located at each end. The Einstein methodology is used for determining the bedload and suspended load transport rates. The average amount of deposition, represented as a decrease in the depth in the shoaling area over a single time-step during model simulation is determined by solving for the time-averaged difference between the amount of sediment transported out of and into the basin.

Subject Headings: Computer models | Sediment transport | Shoals | Estuaries | Channels (waterway) | Sediment | Computer analysis | India | Asia

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