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Surface wave statistics and spectra for Valiathura coastlines, SW coast of India

DRS at CSIR-National Institute of Oceanography

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Title Surface wave statistics and spectra for Valiathura coastlines, SW coast of India
 
Creator Asharaf, T.T.M.
Nair, R.P.
Sanjana, M.C.
Muraleedharan, G.
Kurup, P.G.
 
Subject SW coast of India
Wave spectrum
 
Description A series of 12 monthly graphical three-dimensional plots were produced for Valiathura, SW coast of India, taking significant wave height, zero up-crossing period and direction as the three axes. Joint distributions of significant wave height and zero-up crossing period have also been developed for these months to understand the combination of these parameters in random waves. The fair weather period (November-April) was characterized by comparatively moderate wave activity with period ranging from 6 to 17.5 sec and direction of wave approach from 190° to 200°. During rough weather period (May-October), the waves exhibit a wider spread of direction ranging from 190° to 260° with period ranging from 6 to 13.5 sec and significant wave height ranging from 0.6 to 3.2 m. Wave spectrum curves show that the TMA model gives better results and follows the observed spectra in a large number of cases during fair weather. During rough weather, TMA and Shadrin's models show almost identical behavior.
 
Date 2006-09-20T07:48:35Z
2006-09-20T07:48:35Z
2001
 
Type Journal Article
 
Identifier Indian Journal of Marine Sciences, vol.30(1), 9-17pp.
http://drs.nio.org/drs/handle/2264/401
 
Language en
 
Rights This digital version of the paper hosted with the permission from IJMS/NISCAIR.
http://www.niscair.res.in
 
Format 723989 bytes
application/pdf
 
Publisher NISCAIR, CSIR