Coherent Lagrangian vortices in turbulence

George Haller
ETH Zürich

Lagrangian Coherent Structures (LCSs) are special material surfaces that act as organizing centers for tracer patterns in unsteady continuum motion.
In this talk I review recent results on elliptic LCSs that provide an objective way to define and locate coherent material vortices in turbulent flow data. I show applications to geophysical data sets, including satellite altimetry of the ocean and a cloud-video footage of Jupiter.

Back to Workshop II: Turbulent Transport and Mixing