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Generated using version 3.0 of the official AMS LATEX template Instability of shielded surface temperature vortices
 

Summary: Generated using version 3.0 of the official AMS LATEX template
Instability of shielded surface temperature vortices
Benjamin J. Harvey
and Maarten H. P. Ambaum
Department of Meteorology, University of Reading, Reading, UK
Xavier J. Carton
LPO, UBO/UEB, Brest, France

Corresponding author address: Ben Harvey, Department of Meteorology, University of Reading, PO Box
243, Reading, RG6 6BB, United Kingdom
E-mail: b.j.harvey@reading.ac.uk
1
ABSTRACT
The stability characteristics of the surface quasi-geostrophic shielded Rankine vortex are
found using a linearised contour dynamics model. We analyse both the normal modes and
non-modal evolution of the system and compare the results to two previous studies. One is a
numerical study of the instability of smooth surface quasi-geostrophic vortices with which we
find qualitative similarities and the other is a corresponding study for the two-dimensional
Euler system with which we highlight several notable differences.
1. Introduction

  

Source: Ambaum, Maarten - Department of Meteorology, University of Reading

 

Collections: Geosciences