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A Global View on the Wind Sea and Swell Climate and Variability from ERA-40
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL. (Meteorology)
Jet Propulsion Laboratory - NASA (USA).
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL. (Meteorology)
Royal Netherlands Meteorological Institute (KNMI).
2011 (English)In: Journal of Climate, ISSN 0894-8755, E-ISSN 1520-0442, Vol. 24, no 5, 1461-1479 p.Article in journal (Refereed) Published
Abstract [en]

In this paper a detailed global climatology of wind sea and swell parameters, based on the ERA-40 wave reanalysis, is presented. The spatial pattern of the swell dominance of the Earth’s Oceans, in terms of the wave field energy balance and wave field characteristics, is also investigated. Statistical analysis shows that the Global Ocean  is strongly dominated by swell waves. The inter-annual variability of the wind sea and swell significant wave heights, and how they are related to the resultant significant wave height, is analyzed over the Pacific, Atlantic, and Indian Oceans. The leading modes of variability of wind sea and swell demonstrate noticeable differences, particularly in the Pacific and Atlantic Oceans. During the Northern Hemisphere winter a strong north-south swell propagation pattern is observed in the Atlantic Ocean. Statistically significant secular increases in the wind sea and swell significant wave heights are found in the North Pacific and North Atlantic Oceans.

Place, publisher, year, edition, pages
2011. Vol. 24, no 5, 1461-1479 p.
Keyword [en]
swell, waves, MABL, climate, wind sea, reanalysis, ERA-40
National Category
Meteorology and Atmospheric Sciences
Research subject
Meteorology
Identifiers
URN: urn:nbn:se:uu:diva-130643DOI: 10.1175/2010JCLI3718.1ISI: 000289025500011OAI: oai:DiVA.org:uu-130643DiVA: diva2:350092
Available from: 2010-09-10 Created: 2010-09-10 Last updated: 2017-12-12Bibliographically approved

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Semedo, AlvaroRutgersson, Anna

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