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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union
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Volume 1, issue 1
Nonlin. Processes Geophys., 1, 45–50, 1994
https://doi.org/10.5194/npg-1-45-1994
© Author(s) 1994. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Special issue: Including papers presented at the AGU Chapman Conference on...

Nonlin. Processes Geophys., 1, 45–50, 1994
https://doi.org/10.5194/npg-1-45-1994
© Author(s) 1994. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  31 Mar 1994

31 Mar 1994

Fractal trajectories in a numerical model of the upper Indian Ocean

S. D. Meyers1, J. F. Magnan2, and J. J. O'Brien1 S. D. Meyers et al.
  • 1Mesoscale Air-Sea Interaction Group, The Florida State University, Tallahassee, FL 32303, USA
  • 2Mathematics Department, Supercomputer Computations Research Institute and the Geophysical Fluid Dynamics Institute, The Florida State University, Talahessee, FL 32303, USA

Abstract. A wind-driven numerical model of the Indian Ocean is used to examine the horizontal statistics of hundreds of passive tracers spread evenly over the model domain. The distribution covers several dynamically distinct regions, revealing a variety of Lagrangian behaviours associated with different geographic locations. In particular, a cluster of trajectories with scaling dimension as large as 1.3 exists throughout the equatorial zone. Spectral analysis of trajectory displacements indicates mixed Rossby-gravity waves are involved in the production of some fractal trajectories.

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