Tides in the Gulf of Kutch,India |
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| Affiliation: | 1. Laboratoire d''Océanographie et du Climat, Expérimentation et Approche numérique/IPSL, Sorbonne Université, CNRS-IRD-MNHN, 4 Place Jussieu, 75005 Paris, France;2. Laboratoire des Sciences du Climat et de l''Environnement, CNRS-CEA-UVSQ-Université Paris-Saclay, Gif-sur-Yvette Cedex 91191, France;3. Centre Européen de Recherche et d''Enseignement des Géosciences de l''Environnement, Université Aix-Marseille-CNRS-CDF-IRD, BP 80, 13545, Aix-en-Provence cedex 04, France;4. Herbier national du Cameroun, IRAD, Yaoundé, Cameroon |
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| Abstract: | In the Gulf of Kutch on the northwestern shelf of India the semi-diurnal constituents M2 and S2 get amplified approximately threefold. In contrast, amplification of the diurnal constituents K1 and O1 is small. From analytical and numerical solutions of linear, viscous, cross-sectionally averaged equations for tidal motion in a channel, it is seen that the observed amplification results from a combination of quarter-wavelength resonance, geometric effect due to decrease in width of the channel, and friction. |
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