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Robles-Diaz Lucia Ocampo-Torres Francisco J. Branger Hubert Garcia-Nava Hector Osuna Pedro Rascle Nicolas 《Ocean Dynamics》2021,71(10):981-992
Ocean Dynamics - A comprehensive analysis of the wavefield evolution under accelerated wind conditions provides an essential contribution to understanding the wind-wave generation process. A set of... 相似文献
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The continuous research and improvement of ocean modelling helps to provide a more sustainable development of coastal and offshore regions. This paper focuses on ocean modelling at the NW Mediterranean using the POLCOMS–WAM model with new developments. The Stokes’ drift effect on currents has been included and the distribution of surface stress between waves and currents has also been considered. The system is evaluated in the NW Mediterranean and an evaluation of different forcing terms is performed. The temperature and salinity distributions control the main patterns of the Mediterranean circulation. Currents are typically small and therefore the modification of waves due to the effect of currents is minimal. However, the wave induced currents, mainly caused by a modified wind drag due to waves, produce changes that become an important source of mass transport. POLCOMS was able to reproduce the main Mediterranean features, its coupling with WAM can be a very useful tool for ocean and wave modelling in the Mediterranean and other shelf seas. 相似文献
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F. J. Ocampo-Torres H. García-Nava R. Durazo P. Osuna G. M. Díaz Méndez H. C. Graber 《Boundary-Layer Meteorology》2011,138(3):433-451
The Gulf of Tehuantepec air–sea interaction experiment (intOA) took place from February to April 2005, under the Programme for the Study of the Gulf of Tehuantepec (PEGoT, Spanish acronym
for Programa para el Estudio del Golfo de Tehuantepec). PEGoT is underway aiming for better knowledge of the effect of strong
and persistent offshore winds on coastal waters and their natural resources, as well as performing advanced numerical modelling
of the wave and surface current fields. One of the goals of the intOA experiment is to improve our knowledge on air–sea interaction processes with particular emphasis on the effect of surface
waves on the momentum flux for the characteristic and unique conditions that occur when strong Tehuano winds blow offshore against the Pacific Ocean long period swell. For the field campaign, an air–sea interaction spar (ASIS)
buoy was deployed in the Gulf of Tehuantepec to measure surface waves and the momentum flux between the ocean and the atmosphere.
High frequency radar systems (phase array type) were in operation from two coastal sites and three acoustic Doppler current
profilers were deployed near-shore. Synthetic aperture radar images were also acquired as part of the remote sensing component
of the experiment. The present paper provides the main results on the wave and wind fields, addressing the direct calculation
of the momentum flux and the drag coefficient, and gives an overview of the intOA experiment. Although the effect of swell has been described in recent studies, this is the first time for the very specific
conditions encountered, such as swell persistently opposing offshore winds and locally generated waves, to show a clear evidence
of the influence on the wind stress of the significant steepness of swell waves. 相似文献
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