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Non-linear processes in shallow waters. Influence on local observed mean sea level

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dc.creator Gil Cid, Esther
dc.creator Toro y Llaca, Carmen de
dc.date 2008-05-23T09:16:42Z
dc.date 2008-05-23T09:16:42Z
dc.date 2005
dc.date.accessioned 2017-01-31T01:26:45Z
dc.date.available 2017-01-31T01:26:45Z
dc.identifier Física de la Tierra 2005, 17, 77-96
dc.identifier 0214-4557 (Print)
dc.identifier 1988-2440 (Online)
dc.identifier http://hdl.handle.net/10261/4478
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/4478
dc.description A combined theoretical and empirical method is applied to study the nonlinear interactions occurring in shallow waters among astronomical, overtide and compound constituents. Although the isolated nonlinear terms present a small amplitude, the global response of the oceans to the primary and secondary interactions can mean an important contribution to the sea level variability in continental shelf and coasts with a strong tidal signal. Thus, an accurate determination inside these areas is of considerably importance both in mean sea level studies and in tidal prediction. To this purpose, a formal theoretical development of the generating processes has been accomplished. At the same time, the tidal parameters of the most significant shallow water constituents have been empirically determined in six nearby stations located in the Cantabric Sea. The methodology developed for this determination and later elimination of over and compound tides is described in this work. Besides, the simultaneous determination allows us to study the dependence of these non primary waves on the properties of the emplacements. The effectivity of the method has been contrasted through an iterative process based on spectral analysis of the residuals. The application, component by component, of this technique, allows us to minimize the influence of tidal forces on mean sea level, as it is shown in the increased accuracy.
dc.description This work has been carried out in the framework of Project Ref. REN2001-2271, "Geodetic networks, space techniques and gravimetry applied to the study of the structure and dynamic of the crust in Canary Islands".
dc.description Peer reviewed
dc.format 940398 bytes
dc.format application/pdf
dc.language eng
dc.publisher Universidad Complutense de Madrid
dc.rights openAccess
dc.subject Tide gauge observations
dc.subject Ocean tides
dc.subject Mean sea level
dc.subject Nonlinear interactions
dc.subject Shallow water constituents
dc.title Non-linear processes in shallow waters. Influence on local observed mean sea level
dc.type Artículo

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