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| Titel |
Inter-annual variations in wave spectral characteristics at a location off the central west coast of India |
| VerfasserIn |
V. Sanil Kumar, M. Anjali Nair |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 33, no. 2 ; Nr. 33, no. 2 (2015-02-03), S.159-167 |
| Datensatznummer |
250121159
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| Publikation (Nr.) |
 copernicus.org/angeo-33-159-2015.pdf |
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| Zusammenfassung |
| The inter-annual variations in wave spectrum are examined based on the wave
data measured at 9 m water depth off the central west coast of India from
2009 to 2012 using a wave rider buoy. The temporal variation of the spectral
energy density over a calendar year indicates similar variation in all the
four years studied. The inter-annual variations in wave spectrum are observed
in all months with larger variations during January to February, May and
October to November due to the changes in wind-sea. The seasonal average wave
spectrum during the monsoon (June–September) is single-peaked and the swell
component is high in 2011 compared to other years. The annual averaged wave
spectrum had higher peak energy during 2011 due to the higher spectral energy
present during the monsoon period. During the non-monsoon period, two peaks
are predominantly observed in the wave spectra; with the average peak at
0.07 Hz corresponding to the swells from the Indian Ocean and another at
0.17 Hz due to the local wind field. |
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