Wave refraction and longshore current patterns along Calangute beach (Goa), west coast of India
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Wave refractions study for most predominant waves with 6,8,10 and 12 sec period and approaching from directions WNW, W and WSW has been carried out along the Calangute beach. The energy distribution and probable longshore/offshore current pattern are qualitatively assessed. The degree of refraction is less and no abnormal energy concentrations occur along this stretch. The waves after breaking give rise to many opposing flows forming circulation cells along the entire stretch. Zones of quasi-permanent rip currents are identified at Calangute and Candolim sections for 10 sec period waves approaching from WNW and W.
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