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Climatology of stratospheric ozone profiles in Rio Gallegos, Argentina

Abstract : The Río Gallegos experimental site is located in South Patagonia (51º 55'S, 69º 14'W), in subpolar region and it is a convenient monitoring site of the atmosphere in the southern hemisphere. This experimental site operates a differential absorption lidar instrument (DIAL) for the measurement of ozone vertical distribution. The altitude range of the ozone measurement is 14-45 km, which provides the opportunity to monitor the perturbations due to the passage of stratospheric polar air over Río Gallegos. In this paper, we study the stratospheric ozone distribution in height, maximum ozone number density values in the peak and peak altitude, for austral spring time period. We present the climatology of stratospheric ozone profiles in Río Gallegos. The monthly mean profiles were calculated averaging around forty ozone profiles grouped in clusters for each month from late winter to spring. Three years (2005-2007) of measurements were taken into account. These monthly mean profiles were intercompared with similar profiles from High Resolution Dynamic Limb Sonder (HIRDLS/NASA). The coincidences and agreements of this intercomparison are discussed.
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Submitted on : Wednesday, July 4, 2012 - 1:38:42 PM
Last modification on : Tuesday, November 16, 2021 - 4:02:16 AM


  • HAL Id : hal-00714390, version 1


Wolfram Elian, Jacobo Salvador, Raul d'Elia, Sophie Godin-Beekmann, Eduardo Quel. Climatology of stratospheric ozone profiles in Rio Gallegos, Argentina. 25th International Laser Radar Conference 2010 (ILRC 25), Jul 2010, St. Petersburg, Russia. pp.995-998. ⟨hal-00714390⟩



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