Mathematical Model Studies for River Regulatory Measures for the Improvement of Draft in Hoogly Estuary, India

Dubey, Rajesh P.; Samarawickrama, S.; Gunaratna, P.P.; Halgahawatta, L.; Pathirana, K.P.P.; Raveenthiran, K.; Subasingha, K.; Das, Bitanjaya; Sugandika, T.A.N.

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Mathematical Model Studies for River Regulatory Measures for the Improvement of Draft in Hoogly Estuary, India

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Abstract:

The Haldia port is situated in the Hooghly estuary, 104 km downstream of Kolkata Port. As a result of high sedimentation, the navigational channel to the Haldia Port is maintained with great amount of dredging (25 MCM per Annum). The paper presents a study carried out to find a solution to improve the channel depth together with minimum maintenance dredging. A desk study was carried out to identify the historical formation of the estuary and the remedial measures implemented in the past. A detailed field investigation was carried out to obtain the relevant data for the calibration of numerical models. 1D (MIKE 11) river hydrodynamic modelling was carried out using the available bathymetric data to supply upstream boundary conditions for the 2D (MIKE 21) and 3D (MIKE 3) numerical models. Number of possible scenarios were tested through MIKE 21 hydrodynamic modelling to select more feasible options. Selected options were further assessed through morphodynamic and 3D hydrodynamic modelling to examine the long term sustainability of the proposed solutions. Finally, the option which comprise of; approach channel through Balari Passage & closure of the Shore Attached Channel was selected as the best option. The selected option was further studied taking navigational aspects, dredging efforts and construction sequence into consideration.

Info:

Periodical:

Evolving Trends in Engineering and Technology (Volume 2)

Pages:

1-12

DOI:

https://doi.org/10.18052/www.scipress.com/ETET.2.1

Citation:

R. P. Dubey et al., "Mathematical Model Studies for River Regulatory Measures for the Improvement of Draft in Hoogly Estuary, India", Evolving Trends in Engineering and Technology, Vol. 2, pp. 1-12, 2014

Online since:

October 2014

Authors:

Rajesh P. Dubey, S. Samarawickrama, P.P. Gunaratna, L. Halgahawatta, K.P.P. Pathirana, K. Raveenthiran, K. Subasingha, Bitanjaya Das, T.A.N. Sugandika

Keywords:

Dredging, Hydrodynamics, Mud Transport, Navigation and Estuary Dynamics, Physical Modelling, River Hydraulics, Sand Transport, Ship Simulation, Siltation

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Distribution:

Open Access

This work is licensed under a
Creative Commons Attribution 4.0 International License

References:

Danish Hydraulic Institute, 2009, MIKE 21 - Coastal Hydraulics and Oceanography - User Guide and Manuals.

National Institute of Ocean Technology, 2005, Implementation and Performance Monitoring of Experimental Submerged Dyke in the Jellingham Channel.

KOPT: Simulation Studies on Training Measures in Hugli Estuary at CPT Scale Model.

Cited By:

[1] N. Saichenthur, K. Murali, V. Sundar, Proceedings of the Fourth International Conference in Ocean Engineering (ICOE2018), Vol. 23, p. 337, 2019

DOI: https://doi.org/10.1007/978-981-13-3134-3_26