The decay rate of ocean swell observed by altimeter

I. R. Young; A. V. Babanin; S. Zieger

doi:10.1175/JPO-D-13-083.1

The decay rate of ocean swell observed by altimeter

I. R. Young^*, A. V. Babanin, S. Zieger

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

77 Citations (Scopus)

Abstract

Altimeter data from transects across the Southern Ocean are analyzed to determine the decay of oceanic swell. The resulting decay rate is shown to be proportional to wavenumber squared and swell amplitude cubed. Such a decay relationship is consistent with turbulent interaction with the background, either in the air or water. The present data cannot distinguish between these two cases. The results are consistent with the limited previous studies and present a source term suitable for use in wave prediction models.

Original language	English
Pages (from-to)	2322-2333
Number of pages	12
Journal	Journal of Physical Oceanography
Volume	43
Issue number	11
DOIs	https://doi.org/10.1175/JPO-D-13-083.1
Publication status	Published - Nov 2013

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10.1175/JPO-D-13-083.1

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title = "The decay rate of ocean swell observed by altimeter",

abstract = "Altimeter data from transects across the Southern Ocean are analyzed to determine the decay of oceanic swell. The resulting decay rate is shown to be proportional to wavenumber squared and swell amplitude cubed. Such a decay relationship is consistent with turbulent interaction with the background, either in the air or water. The present data cannot distinguish between these two cases. The results are consistent with the limited previous studies and present a source term suitable for use in wave prediction models.",

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AU - Young, I. R.

AU - Babanin, A. V.

AU - Zieger, S.

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N2 - Altimeter data from transects across the Southern Ocean are analyzed to determine the decay of oceanic swell. The resulting decay rate is shown to be proportional to wavenumber squared and swell amplitude cubed. Such a decay relationship is consistent with turbulent interaction with the background, either in the air or water. The present data cannot distinguish between these two cases. The results are consistent with the limited previous studies and present a source term suitable for use in wave prediction models.

AB - Altimeter data from transects across the Southern Ocean are analyzed to determine the decay of oceanic swell. The resulting decay rate is shown to be proportional to wavenumber squared and swell amplitude cubed. Such a decay relationship is consistent with turbulent interaction with the background, either in the air or water. The present data cannot distinguish between these two cases. The results are consistent with the limited previous studies and present a source term suitable for use in wave prediction models.

KW - Circulation/Dynamics

KW - Waves

KW - oceanic

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U2 - 10.1175/JPO-D-13-083.1

DO - 10.1175/JPO-D-13-083.1

M3 - Article

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VL - 43

SP - 2322

EP - 2333

JO - Journal of Physical Oceanography

JF - Journal of Physical Oceanography

IS - 11

ER -

The decay rate of ocean swell observed by altimeter

Abstract

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