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Field Data Collection and Analysis for Siltation Studies at New Mangalore Port, Panambur, Karnataka
The annual maintenance dredging at New Mangalore port (NMP) is one of the major recurring expenses for the port. With the stage-wise development of the port, the maintenance dredging cost also has increased substantially over the last six decades. Even though the littoral drift is minimal, considerable siltation takes place in the approach channel and the port basin during southwest monsoon due to deposition of suspended sediments while crossing the approach channel. CWPRS has proposed to carry out mathematical model studies for prediction of siltation in the port approach channel and port basin. It is difficult to predict siltation pattern extent and quantity without site specific extensive field data collection, analysis and model studies for assessment of dredging requirements for maintaining a clear draft of −15.4 m in the NMP channel throughout the year, hence, field studies were carried out by CWPRS for data collection in respect of tides, currents, bed samples, beach surveys, sediment concentrations during non-monsoon and monsoon seasons during the year 2020. The observed tide data and available tide table data are matching well. The current observations using Acoustic Doppler Current Profiler (ADCP) were carried out at selected salient locations. In the present paper, the details of field data collected and its analysis will be presented.
Field Data Collection and Analysis for Siltation Studies at New Mangalore Port, Panambur, Karnataka
The annual maintenance dredging at New Mangalore port (NMP) is one of the major recurring expenses for the port. With the stage-wise development of the port, the maintenance dredging cost also has increased substantially over the last six decades. Even though the littoral drift is minimal, considerable siltation takes place in the approach channel and the port basin during southwest monsoon due to deposition of suspended sediments while crossing the approach channel. CWPRS has proposed to carry out mathematical model studies for prediction of siltation in the port approach channel and port basin. It is difficult to predict siltation pattern extent and quantity without site specific extensive field data collection, analysis and model studies for assessment of dredging requirements for maintaining a clear draft of −15.4 m in the NMP channel throughout the year, hence, field studies were carried out by CWPRS for data collection in respect of tides, currents, bed samples, beach surveys, sediment concentrations during non-monsoon and monsoon seasons during the year 2020. The observed tide data and available tide table data are matching well. The current observations using Acoustic Doppler Current Profiler (ADCP) were carried out at selected salient locations. In the present paper, the details of field data collected and its analysis will be presented.
Field Data Collection and Analysis for Siltation Studies at New Mangalore Port, Panambur, Karnataka
Lecture Notes in Civil Engineering
Timbadiya, P. V. (editor) / Patel, P. L. (editor) / Singh, Vijay P. (editor) / Barman, Bandita (editor) / Meena, Banwari Lal (author) / Jagadeesh, H. B. (author) / Chandra, Prabhat (author)
International Conference on Hydraulics, Water Resources and Coastal Engineering ; 2021
2023-06-27
9 pages
Article/Chapter (Book)
Electronic Resource
English
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