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Decaying two-dimensional turbulence is characterized by the emergence of coherent vortices, whichâ€™subsequently dominate the evolution. The temporal scaling behavior of the flow is analyzed using aâ€¦ (More)

The seasonal dependence of predictability in ENSO manifests itself in the so-called spring barrier found in the cyclostationary lag autocorrelations, or persistence. This work examines the statisticsâ€¦ (More)

- John Clyne, Tim Scheitlin, Jeffrey B. Weiss
- 1998

Using several volume visualization packages including a new package we developed called Volsh, we investigate a 25 GB dataset from a 256 computation of decaying quasigeostrophic turbulence. Weâ€¦ (More)

The motion of N point vortices in a two-dimensional fluid is a Hamiltonian dynamical system with a 2N-dimensional phase space. The equations of motion for point vortices in a twodimensional squareâ€¦ (More)

- Annalisa Bracco, Jost Von Hardenberg, Antonello Provenzale, Jeffrey B. Weiss, Jim C McWilliams
- Physical review letters
- 2004

The dynamics of passive Lagrangian tracers in three-dimensional quasigeostrophic turbulence is studied numerically and compared with the behavior of two-dimensional barotropic turbulence. Despite theâ€¦ (More)

- Claudia Pasquero, Antonello Provenzale, Jeffrey B. Weiss
- Physical review letters
- 2002

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.â€¦ (More)

- John P. Crimaldi, Jillian R Hartford, Jeffrey B. Weiss
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2006

We investigate a class of reactive advection-diffusion problems motivated by an ecological mixing process. We use analytical and numerical methods to determine reaction rates between two initiallyâ€¦ (More)

- Jeffrey B. Weiss
- 1994

Structures such as waves, jets, and vortices have a dramatic impact on the transport properties of a flow. Passive tracer transport in incompressible two-dimensional flows is described by Hamiltonianâ€¦ (More)

We study the Lagrangian dynamics of systems of N point vortices and passive particles in a two-dimensional, doubly periodic domain. The probability distribution function of vortex velocity, pN , hasâ€¦ (More)

Teleconnections between the midlatitudes of the Northern and Southern Hemispheres are diagnosed in National Centers for Environmental Predictionâ€“National Center for Atmospheric Research reanalysisâ€¦ (More)