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A Large Spectrum of Free Oscillations of the World Ocean Including the Full Ocean Loading and Self-attraction EffectsSynthesis of Forced Oscillations

A Large Spectrum of Free Oscillations of the World Ocean Including the Full Ocean Loading and... [The semidiurnal and diurnal tidal oscillation systems of the open ocean are meanwhile well known. This is due to many improvements made during the last decades. On the one hand, missing physical effects were included, e.g. the LSA-effect (e.g. [1, 56]) and the parameterization of the internal wave drag [7]. On the other hand, the assimilation of tidal sea surface elevations extracted from satellite altimetry (TOPEX/POSEIDON) brought about very accurate tidal solutions (e.g. [63]) . To understand the tidal oscillation system, the tidal solution can be represented spectrally. This attempt describing ocean tides by synthesizing free oscillations, was first made by [35]. His free oscillations were obtained by solving the homogeneous Laplace tidal equation without frictional terms and loading and self-attraction effects (PL1981). Dissipation was included into the synthesis with a special procedure [34]. The large scale features of the resulting synthesized solutions were in good agreement with complete tidal model solutions. Hence, further investigations of the spectral composition of the semidiurnal and diurnal tides were made [35]. Another spectral composition was made by ZAMU2005. They used a simple least squares approximation to determine the contribution of individual free oscillations to the tidal patterns.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A Large Spectrum of Free Oscillations of the World Ocean Including the Full Ocean Loading and Self-attraction EffectsSynthesis of Forced Oscillations

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Publisher
Springer Berlin Heidelberg
Copyright
© Springer-Verlag Berlin Heidelberg 2009
ISBN
978-3-540-85575-0
Pages
39 –71
DOI
10.1007/978-3-540-85576-7_4
Publisher site
See Chapter on Publisher Site

Abstract

[The semidiurnal and diurnal tidal oscillation systems of the open ocean are meanwhile well known. This is due to many improvements made during the last decades. On the one hand, missing physical effects were included, e.g. the LSA-effect (e.g. [1, 56]) and the parameterization of the internal wave drag [7]. On the other hand, the assimilation of tidal sea surface elevations extracted from satellite altimetry (TOPEX/POSEIDON) brought about very accurate tidal solutions (e.g. [63]) . To understand the tidal oscillation system, the tidal solution can be represented spectrally. This attempt describing ocean tides by synthesizing free oscillations, was first made by [35]. His free oscillations were obtained by solving the homogeneous Laplace tidal equation without frictional terms and loading and self-attraction effects (PL1981). Dissipation was included into the synthesis with a special procedure [34]. The large scale features of the resulting synthesized solutions were in good agreement with complete tidal model solutions. Hence, further investigations of the spectral composition of the semidiurnal and diurnal tides were made [35]. Another spectral composition was made by ZAMU2005. They used a simple least squares approximation to determine the contribution of individual free oscillations to the tidal patterns.]

Published: Jan 1, 2009

Keywords: Free Oscillation; Forced Oscillation; Tidal Model; Tidal Constituent; Diurnal Tide

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