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Seiches in the eastern Caribbean

Woodworth, P.L.. 2017 Seiches in the eastern Caribbean. Pure and Applied Geophysics, 174 (12). 4283-4312. https://doi.org/10.1007/s00024-017-1715-7

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© Springer Science+Business Media B.V. 2017 This document is the author’s final manuscript version of the journal article, incorporating any revisions agreed during the peer review process. Some differences between this and the publisher’s version remain. You are advised to consult the publisher’s version if you wish to cite from this article. The final publication is available at Springer via http://dx.doi.org/10.1007/s00024-017-1715-7
seichepaper_v2_nora.pdf - Accepted Version
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Abstract/Summary

Data from a network of tide gauges in the eastern Caribbean have been used to investigate the periods and amplitudes of seiches at each station, and the coherence in seiche activity between stations. Seiches in this area have very small amplitudes, but they can be readily identified in the sea level spectra obtained from high-quality, high-frequency tide gauges. Most of their periods are found to be determined by the quarter-wavelength response of the adjacent shelf, and their Q values are generally consistent with them being relatively undamped. At several stations, the forcing responsible for the seiches is clear. At others, the forcing is harder to pin down, seiches appearing seemingly randomly, and resulting in what has been called ‘continuous seiche’. Overall, it is demonstrated that seiches (or at least their statistics) need to be better understood and to be included effectively in studies of extreme sea levels. Also related to shelf resonance, two possible examples of ‘tidal ringing’ have been identified.

Item Type: Publication - Article
Digital Object Identifier (DOI): https://doi.org/10.1007/s00024-017-1715-7
ISSN: 0033-4553
Additional Information. Not used in RCUK Gateway to Research.: Data files (also included as supplementary material files) are held at BODC - accession number POL170189.
Date made live: 30 Oct 2017 09:51 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/518155

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