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Ocean Dynamics

, Volume 69, Issue 10, pp 1239–1251 | Cite as

Characteristics of ocean waves off Fortaleza, CE, Brazil, extracted from 1-year deep-water measured data

  • Rogério Neder CandellaEmail author
Article
Part of the following topical collections:
  1. Topical Collection on the International Conference of Marine Science ICMS2018, the 3rd Latin American Symposium on Water Waves (LatWaves 2018), Medellin, Colombia, 19-23 November 2018 and the XVIII National Seminar on Marine Sciences and Technologies (SENALMAR), Barranquilla, Colombia 22-25 October 2019

Abstract

One year of deep-water wave hourly records collected by a buoy deployed off Ceará state, northeastern Brazilian coast, were used to estimate some regional wave climate characteristics and annual cycles. Waves generated by four wind sources were identified. Southeastern direction showed to be the most effective, especially in the period from June to November due to southeast trade winds system intensification. Several dispersive arrivals of north Atlantic swell were recorded, and their generation zones were identified, which allows determining the region of main sources of these northern waves. Analysis of sea storms showed that although most of them had southeast direction, they could also come from the north. These northern storms sometimes are highly energetic, leading to damage in coastal structures. Only 37 records in the analyzed dataset around 0.4% of the total contained rogue waves. Although the number of occurrences of rogue waves was small, all of them were higher than 2.5 m.

Keywords

Wind wave climate Brazilian northeast region North Atlantic swell Storms characteristics 

Notes

Acknowledgments

The author would like to thank Dr. Luigi Cavaleri (ISMAR.CNR.IT) for his help to this work.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Instituto de Estudos do Mar Almirante Paulo MoreiraArraial do CaboBrazil

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