Demarcation of inland vessels’ limit off Mormugao port region,India: a pilot study for the safety of inland vessels using wave modelling |
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| Authors: | P Vethamony V M Aboobacker K Sudheesh M T Babu K Ashok Kumar |
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| Institution: | (1) National Institute of Oceanography, Dona Paula, Goa, 403004, India |
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| Abstract: | The Ministry of Shipping desires to revise the inland vessels’ limit (IVL) notification based on scientific rationale to improve
the safety of vessels and onboard personnel. The Mormugao port region extending up to the Panaji was considered for this pilot
study. Measured winds and wave parameters (AWS and moored buoy) as well as NCEP re-analysis and NCMRWF winds were used for
the analysis and input to regional and local models. The results of wave model were validated with measured significant wave
heights (SWHs) and the comparison shows a good match. The analysis indicates that SWHs do not exceed 2.0 m during non-monsoon
months, and in monsoon months exceed 5.0 m, and even 7.0 m, especially during extreme events. In order to draw IVL contours
for Goa coastal region, local model was set up and nearshore waves were simulated for the period May 2004–May 2005. Based
on the nearshore SWH distribution, IVL contours have been fixed for the Mormugao port and Panaji coastal regions. |
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| Keywords: | Mormugao port Wave modelling Wave measurements Inland vessels’ limit Wave spectra |
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