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2002 LAPCOD Meeting
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Vortex statistics from Eulerian and Lagrangian time-series.
Claudia Pasquero, Antonello Provenzale, Jeffrey B. Weiss
ISAC - CNR, Torino, Italy
c.pasquero@isac.cnr.it(Abstract received 09/23/2002 for session D)
ABSTRACT
Coherent vortices are an important component of the dynamics of geophysical turbulence, but direct estimates of the properties of the vortex population from measured data is usually difficult. Motivated by this problem, we propose a new method for determining the statistical properties of coherent vortices in two-dimensional turbulence based on a small number of Lagrangian and Eulerian time series. The method provides reliable estimates of the mean vortex size and vortex number density.
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2002 LAPCOD Meeting, Key Largo, Florida, December 12-16, 2000