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Updated: Aug 11, 2026
13:02
Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow
Published on: February 27, 2016
Statistical equilibrium predictions of jets and spots on Jupiter
B Turkington1, A Majda, K Haven
1Department of Mathematics and Statistics, University of Massachusetts, Amherst, MA 01003, USA.
Summary
An equilibrium statistical theory explains Jupiter's atmospheric bands by modeling coherent structures. Intense anticyclones at small scales are key to predicting vortex formation in Jupiter's weather layer.
Area of Science:
- Planetary Science
- Fluid Dynamics
- Statistical Mechanics
Background:
- Jupiter's atmosphere exhibits complex banded structures and persistent vortices.
- Understanding the dynamics of these large-scale features requires parameterizing small-scale turbulent eddies.
Purpose of the Study:
- To apply equilibrium statistical theory to model coherent structures in Jupiter's midlatitude bands.
- To investigate the role of small-scale turbulent eddies in shaping large-scale atmospheric features.
Main Methods:
- Utilized an equilibrium statistical theory with energy and circulation constraints.
- Employed a prior distribution on potential vorticity fluctuations to parameterize small-scale eddies.
- Solved the constrained maximum entropy principle to compute stable coherent structures.
Main Results:
- Theoretical predictions align with observed Jovian weather layer features when assuming anticyclonic skewness (predominance of intense anticyclones).
- Computed anticyclonic vortices emerge at latitudes corresponding to Jupiter's Great Red Spot and White Ovals in the southern hemisphere.
- No vortices formed within the zonal jets in the northern hemisphere under these conditions.
Conclusions:
- The study supports the occurrence of intense small-scale anticyclonic forcing, consistent with Galileo mission data.
- Equilibrium statistical theory shows promise for inverse modeling of Jovian atmospheric small-scale characteristics from observed features.
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