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Spatial and temporal variations of wave height in shelf seas around India

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  • V. Kumar
  • T. Anoop

Abstract

The spatial and temporal variations of wave height in shelf seas around Indian mainland are examined based on the ERA-Interim dataset produced by the European Centre for Medium-Range Weather Forecasts. The study shows that during the summer monsoon, higher wave heights are observed in all locations except at the southern locations in the shelf seas around India, where the winter monsoon is predominant. The annual average significant wave height is highest (~1.6 m) at the southern location. During 1979–2012, a weak statistically significant increasing trend (maximum ~0.20 cm/year) in wave height is observed in the northern and southern region of eastern Arabian Sea, whereas the middle region shows negligible negative trend. A weak decreasing trend (maximum ~−0.18 cm/year) in wave height is observed in the western Bay of Bengal except along the southern region. At most of the locations weak decreasing trend (0.1–2.5 cm/s/year) is observed for the annual mean wind speed. The conflicting trends in the wind speed and wave height are mainly due to the swell dominance in the North Indian Ocean. Copyright Springer Science+Business Media Dordrecht 2015

Suggested Citation

  • V. Kumar & T. Anoop, 2015. "Spatial and temporal variations of wave height in shelf seas around India," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 78(3), pages 1693-1706, September.
    • Handle: RePEc:spr:nathaz:v:78:y:2015:i:3:p:1693-1706
    DOI: 10.1007/s11069-015-1796-5
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    Citations

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    Cited by:

    1. T. Muhammed Naseef & V. Sanil Kumar & Jossia Joseph & B. K. Jena, 2019. "Uncertainties of the 50-year wave height estimation using generalized extreme value and generalized Pareto distributions in the Indian Shelf seas," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 97(3), pages 1231-1251, July.
    2. V. Sanil Kumar & Aswathy B. Asok & Jesbin George & M. M. Amrutha, 2020. "Regional Study of Changes in Wind Power in the Indian Shelf Seas over the Last 40 Years," Energies, MDPI, vol. 13(9), pages 1-23, May.
    3. Adem Akpınar & Bilal Bingölbali, 2016. "Long-term variations of wind and wave conditions in the coastal regions of the Black Sea," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 84(1), pages 69-92, October.
    4. Shaobo Yang & Shanhua Duan & Linlin Fan & Chongwei Zheng & Xingfei Li & Hongyu Li & Jianjun Xu & Qiang Wang & Ming Feng, 2019. "10-Year Wind and Wave Energy Assessment in the North Indian Ocean," Energies, MDPI, vol. 12(20), pages 1-16, October.
    5. M. Anjali Nair & V. Sanil Kumar, 2016. "Spectral wave climatology off Ratnagiri, northeast Arabian Sea," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 82(3), pages 1565-1588, July.

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