Vortex structures in geophysical convection |
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| Institution: | 1. Department of Mathematics, DIT University, Dehradun 248009, India;2. Department of Mathematics, Central University of Rajasthan, Kishangarh 305817, India;1. Dpto. Astrofísica y CC. de la Atmósfera, Facultad de CC Físicas, Universidad Complutense de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain;2. Academia Sinica, Institute of Earth Sciences, Taipei, Taiwan;3. Atmospheric Physics Group, IMA, University of León, 24071 León, Spain;1. Research School of Earth Sciences, The Australian National University, Canberra, ACT 2601, Australia;2. Bayerisches Geoinstitut, University of Bayreuth, 95440 Bayreuth, Germany;3. Magmas and Volcanoes Laboratory, CNRS, IRD, OPGC, Clermont Auvergne University, 63000 Clermont-Ferrand, France;4. ESRF – The European Synchrotron, 71 avenue de Martyrs, 38043 Grenoble Cedex 9, France;5. Geodetic and Geophyscial Institute, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, Sopron, Hungary;6. Department of Geoscience, James Cook University, Townsville, Australia;7. Institute of Geological Sciences, University of Bern, 3012 Bern, Switzerland;8. Hungarian Institute for Forensic Sciences, Mosonyi u. 9, H-1087, Budapest, Hungary |
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| Abstract: | An intriguing variety of vortex structures arise during buoyant convection, especially in the presence of background stratification and rotation. These vortices play an important role in environmental fluid motions, bearing upon small-scale turbulence to planetary-scale circulation. A brief review of vortex motions associated with buoyant convection is presented in this paper, emphasizing the sources of vorticity, evolution of vortex structures and their role in oceanic and atmospheric dynamics. The genesis of a variety of vortices, for example, mushroom vortices, geostrophic and ageostrophic vortices, dipolar structures and hetons in buoyant convection flows is described, and parameterizations to represent their properties are discussed. New laboratory and numerical simulation results on vortex-related phenomena in stratified and rotating fluids and their implications in geophysical convective flows are also presented. |
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