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Numerical Study of the Circulation and Sediment Transport in the Mahanadi Estuary

Author

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  • A. Rao
  • Sujata Dash
  • S. Babu

Abstract

The Mahanadi River is one of the largest river systems in the east coast of Indiaand the estuary drains and communicates with the Bay of Bengal. The seasonallyvarying fresh water river discharge and the intrusion of salt water from the baydepend on the flow associated with the semi-diurnal component of the astronomicaltide (dominated by M 2 component). A numerical model has been developed tosimulate and study the salinity structure, velocity profile, flow and circulation patternand have been compared with the observed data. A reasonably good agreement isnoticed between the model simulations and the observations. The model result hasbeen utilised to compute sediment load transport to the estuary channel over a tidalcycle as well as on a monthly time scale. The sediment load transport owing to monthlyclimatological rainfall is discussed and it is inferred that a dynamic equilibrium existson a long-term over good/bad monsoons. Copyright Kluwer Academic Publishers 2004

Suggested Citation

  • A. Rao & Sujata Dash & S. Babu, 2004. "Numerical Study of the Circulation and Sediment Transport in the Mahanadi Estuary," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 32(2), pages 219-237, June.
    • Handle: RePEc:spr:nathaz:v:32:y:2004:i:2:p:219-237
    DOI: 10.1023/B:NHAZ.0000031315.73712.18
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    Cited by:

    1. Han-Chung Yang & Cheng-Wu Chen, 2012. "Potential hazard analysis from the viewpoint of flow measurement in large open-channel junctions," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 61(2), pages 803-813, March.

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