Journal of
Oceanography and Marine Science

  • Abbreviation: J. Oceanogr. Mar. Sci.
  • Language: English
  • ISSN: 2141-2294
  • DOI: 10.5897/JOMS
  • Start Year: 2010
  • Published Articles: 62

Full Length Research Paper

A theoretical spectrum for multi-peaked energy sea states

G. Muraleedharan1*, P. G. Kurup2, Mourani Sinha3, A. D. Rao 3, G. Latha4 andS. K. Dube3
  1Centre for Marine Technology and Engineering, Technical University of Lisbon, Instituto Superior Tecnico, Av. Rovisco Pais 1049-001, Lisboa, Portugal. 2Earth Science and Environment Fraternity, Shivam, Netayikodam Road, Cochin - 682 025, India. 3Centre for Atmospheric Sciences, Indian Institute of Technology, IIT, Hauz Khas, New Delhi - 110 016, India. 4National Institute of Ocean Technology, Pallikaranai, Chennai-600 100, India.
Email: [email protected]

  •  Accepted: 27 January 2010
  •  Published: 31 January 2010

Abstract

The single peaked JONSWAP and double peaked Torsethaugen spectra are unable to simulate multi-peaked spectral sea states effectively. A theoretical spectrum was developed from a modified Weibull distribution and presented. The multi-peaked wave power spectra recorded by a deep-water buoy deployed in the Bay of Bengal, Indian Ocean by the National Institute of Ocean Technology were simulated using this theoretical spectrum. This spectrum succeeded to give better results for smoothed multi-peaked energy sea states with RRMS errors lesser than 18%.
 
 Key words: Ocean waves, spectral sea states, wave climatology.

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