Biblioteca de la Universidad Complutense de Madrid

Regional Ocean Tide Loading Modelling Around The Iberian Peninsula


Benavent Merchán, María Teresa y Montesinos, F. G. y Arnoso, J. (2009) Regional Ocean Tide Loading Modelling Around The Iberian Peninsula. Journal of Geodynamics, 48 (3-mayo). pp. 132-137. ISSN 0264-3707

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Wedeveloped a new 1/12◦ resolution oceanic tide model in the complex region that surrounds the Iberian Peninsula. The model, named IBER01, allows us to obtain more accurate tidal loading computations for precise geodetic and gravimetric observations in this area. The modelling follows the scheme of data assimilation (coastal tide gauge, bottom pressure sensors and TOPEX/Poseidon altimetry) into a hydrodynamical model, which is based on two-dimensional barotropic depth averaged shallow-water equations. Detailed bathymetry data and quadratic bottom friction with a specific drag coefficient for the region have been considered. Improved ocean load maps for the Iberian Peninsula are obtained for eight harmonic constituents (Q1, P1, O1, K1, N2, M2, S2 and K2), after computing the load effect (Newtonian attraction and elastic contribution) using IBER01 and six present-day global oceanic tide models for comparison. The results achieved verify the quality of the new model. Our ocean loading computations reduce considerably the discrepancies between the theoretical Earth tide parameters and those from observations at the level of 0.3%.

Tipo de documento:Artículo
Información Adicional:

16th International Symposium on Earth Tides, Sep 01-05, 2008, Jena, Germany

Palabras clave:Oceanic model; Tidal loading; Iberian Peninsula; Earth tide; Internal Tide; Earth Tides; Gravity; Program; Vav; Geochemistry & Geophysics
Materias:Ciencias > Matemáticas > Geodesia
Código ID:14798

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