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    Wave-induced nearshore circulation along the Calangute-Candolim beach, Goa, West coast of India

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    Proc_Ind_Acad_Sci_98_265.pdf (1013.Kb)
    Date
    1989
    Author
    Krishnakumar, V.
    Murty, C.S.
    Heblekar, A.K.
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    Abstract
    The wave-induced nearshore circulation model suggested by Noda has been modified and applied for three small segments along the coast of Goa. The present model incorporates the prevailing bottom topography and considers its variation along with the radiation stress as the driving force for the circulation. We find that the flow pattern is strongly dependent on bottom topography. While normal incidence of waves results in a cellular pattern of flow, meandering flows prevail for oblique incidence along the coast. The shoreward flows are always located over shoals while the rip currents prevail over channels. The onshore/offshore flows show magnitudes as high as 3.1 m/s, while those alongshore reach a maximum of 1.1 m/s. When compared with field observations these values are slightly higher
    URI
    http://drs.nio.org/drs/handle/2264/7321
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