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Seasonal Change of the Ozone Layer State over Yakutia

A. A. Mikhailov, P. P. Ammosov, G. A. Gavrilyeva, N. N. Efremov, S. V. Nikolashkin

physics.ao-pharXiv:physics/0510211

Abstract

The ozone layer state in the stratosphere over Yakutia depending on the year time is considered. It is shown that the layer thickness is maximum in February-March (450 Dobson's units) and it is minimum in July-September (300 - 350 DU). Measurements indicate that the ozone layer thickness was significantly decreased in the 1990's. A problem of change of ozone layer state is discussed.

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