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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 16, issue 12 | Copyright

Special issue: Situational sea awareness technologies for maritime safety...

Nat. Hazards Earth Syst. Sci., 16, 2623-2639, 2016
https://doi.org/10.5194/nhess-16-2623-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 09 Dec 2016

Research article | 09 Dec 2016

Marine Rapid Environmental Assessment in the Gulf of Taranto: a multiscale approach

Nadia Pinardi1,2, Vladyslav Lyubartsev2, Nicola Cardellicchio3, Claudio Caporale4, Stefania Ciliberti2, Giovanni Coppini2, Francesca De Pascalis6, Lorenzo Dialti4, Ivan Federico2, Marco Filippone4, Alessandro Grandi5, Matteo Guideri4, Rita Lecci2, Lamberto Lamberti4, Giuliano Lorenzetti6, Paolo Lusiani4, Cosimo Damiano Macripo3, Francesco Maicu6, Michele Mossa7, Diego Tartarini4, Francesco Trotta1, Georg Umgiesser6, and Luca Zaggia6 Nadia Pinardi et al.
  • 1Department of Physics and Astronomy, University of Bologna, Bologna, 40127, Italy
  • 2Centro EuroMediterraneo sui Cambiamenti Climatici, Bologna, 40128, Italy
  • 3Istituto per lo studio dell'Ambiente Marino Costiero-CNR, Taranto, 74100, Italy
  • 4Istituto Idrografico della Marina, Genoa, 16134, Italy
  • 5Istituto Nazionale di Geofisica e Vulcanologia, Bologna, 40128, Italy
  • 6Istituto di Scienze Marine-CNR, Venice, 30122, Italy
  • 7Department of Civil, Environmental, Building Engineering and Chemistry, Technical University of Bari, Italy

Abstract. A multiscale sampling experiment was carried out in the Gulf of Taranto (eastern Mediterranean) providing the first synoptic evidence of the large-scale circulation structure and associated mesoscale variability. The mapping of the mesoscale and large-scale geostrophic circulation showed the presence of an anticyclonic large-scale gyre occupying the central open ocean area of the Gulf of Taranto. On the periphery of the gyre upwelling is evident where surface waters are colder and saltier than at the center of the gyre. Over a 1-week period, the rim current of the gyre undergoes large changes which are interpreted as baroclinic–barotropic instabilities, generating small-scale cyclonic eddies in the periphery of the anticyclone. The eddies are generally small, one of which can be classified as a submesoscale eddy due to its size. This eddy field modulates the upwelling regime in the gyre periphery.

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A multiscale sampling experiment was carried out in the Gulf of Taranto (eastern Mediterranean) providing the first synoptic evidence of the large-scale circulation structure and associated mesoscale variability. The circulation is shown to be dominated by an anticyclonic gyre and upwelling areas at the gyre periphery.
A multiscale sampling experiment was carried out in the Gulf of Taranto (eastern Mediterranean)...
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