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Introduction

The dynamic of the ozone Antarctic hole are related strongly with the stratospheric vortex polar. The displacements and oscillations of the ozone Antarctic hole are conditioned strongly for the section of the stratospheric vortex polar. During the periods of strong ozone depletion in spring, an East-West oscillation on the natural axis of the Antarctic Peninsula is produced, transporting polar masses of ozone-poor air toward the south cone of America, occasioning events of ozone depletion in mid-latitudes. [1]

For the study of these phenomenon's is needed a tool that helps to identify and following the ozone-poor air masses, with this purpose developed a model what characterize the phenomenon of ozone depletion. Basically the model identifies the masses of air by the potential vorticity (PV) and the isentropics surfaces (q) identifying the characteristic profiles of the masses of air in study of another. From a dynamic point of view, the profiles evidence the atmospheric transport of the ozone-poor air masses.

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