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Height resolved ozone hole structure as observed by the Global Ozone Monitoring Experiment–2

JCA van Peet, RJ van der A, ATJ de Laat, ONE Tuinder, G Koenig-Langlo, J Wittig

We present Global Ozone Monitoring Experiment-2 (GOME-2) ozone profiles that were operationally retrieved with the KNMI Ozone ProfilE Retrieval Algorithm (OPERA) algorithm for the period September –December 2008. It is shown that it is possible to accurately measure the vertical distribution of stratospheric ozone for Antarctic ozone hole conditions from spectra measured at ultraviolet wavelengths from a nadir viewing instrument. Comparisons with ozone sonde observations from the Neumayer station at the Antarctic coast show a good agreement for various ozone profile shapes representing different phases of the annual recurring ozone hole cycle. A preliminary analysis of the three-dimensional structure of the ozone hole shows for example that at the vortex edges ozone rich mid-latitude middle and upper stratospheric layers can be found over ozone depleted lower stratospheric ‘ozone hole’ layers. These Antarctic ozone profile observations combined with the daily global coverage of GOME-2 enables the monitoring of the three-dimensional structure of the ozone hole on a daily basis.

Bibliografische gegevens

JCA van Peet, RJ van der A, ATJ de Laat, ONE Tuinder, G Koenig-Langlo, J Wittig. Height resolved ozone hole structure as observed by the Global Ozone Monitoring Experiment–2
published, Geophys. Res. Lett., 2009, 36

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