Coupled atmosphere-ocean-wave simulations of a storm event over the Gulf of Lion and Balearic Sea
Warner, John C.
MetadataShow full item record
KeywordMediterranean Sea; Air-sea interactions; Air-wave interactions; Coupled ocean-atmosphere-wave simulations; Severe storm/cyclogenesis; Wind stress parametrization
The coastal areas of the North-Western Mediterranean Sea are one of the most challenging places for ocean forecasting. This region is exposed to severe storms events that are of short duration. During these events, significant air-sea interactions, strong winds and large sea-state can have catastrophic consequences in the coastal areas. To investigate these air-sea interactions and the oceanic response to such events, we implemented the Coupled Ocean-Atmosphere-Wave-Sediment Transport Modeling System simulating a severe storm in the Mediterranean Sea that occurred in May 2010. During this event, wind speed reached up to 25 m.s−1 inducing significant sea surface cooling (up to 2°C) over the Gulf of Lion (GoL) and along the storm track, and generating surface waves with a significant height of 6 m. It is shown that the event, associated with a cyclogenesis between the Balearic Islands and the GoL, is relatively well reproduced by the coupled system. A surface heat budget analysis showed that ocean vertical mixing was a major contributor to the cooling tendency along the storm track and in the GoL where turbulent heat fluxes also played an important role. Sensitivity experiments on the ocean-atmosphere coupling suggested that the coupled system is sensitive to the momentum flux parameterization as well as air-sea and air-wave coupling. Comparisons with available atmospheric and oceanic observations showed that the use of the fully coupled system provides the most skillful simulation, illustrating the benefit of using a fully coupled ocean-atmosphere–wave model for the assessment of these storm events.
Author Posting. © American Geophysical Union, 2012. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research 117 (2012): C09019, doi:10.1029/2012JC007924.
Suggested CitationJournal of Geophysical Research 117 (2012): C09019
Showing items related by title, author, creator and subject.
Impacts of ocean currents on the South Indian Ocean extratropical storm track through the relative wind effect Seo, Hyodae; Song, Hajoon; O’Neill, Larry W.; Mazloff, Matthew R.; Cornuelle, Bruce D. (American Meteorological Society, 2021-10-21)This study examines the role of the relative wind (RW) effect (wind relative to ocean current) in the regional ocean circulation and extratropical storm track in the south Indian Ocean. Comparison of two high-resolution ...
Abrupt climate change in the Atlantic Ocean during the last 20,000 years : insights from multi-element analysis of benthic and planktic foraminifera and a coupled OA-GCM Came, Rosemarie E. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2005-09)Minor and trace element records from planktic and benthic foraminifera from Atlantic sediment cores, as well as outputfrom a coupled OA·GCM, were used to investigate the magnitude and distribution of the oceanic response ...
Wang, Jinbo (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2008-09)Coupled ocean/atmosphere simulations exhibit systematicwarm biases over the SouthWest African (SWA) coastal region. Recent investigations indicate that coastal ocean dynamics may play an important role in determining the ...