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AGU: Geophysical Research Letters

 

Keywords

  • tropospheric ozone
  • IASI/MetOp
  • air quality

Index Terms

  • Atmospheric Composition and Structure: Troposphere: composition and chemistry
  • Atmospheric Composition and Structure: Pollution: urban and regional

Abstract

GEOPHYSICAL RESEARCH LETTERS, VOL. 35, L18805, 5 PP., 2008
doi:10.1029/2008GL034803

Tropospheric ozone distributions over Europe during the heat wave in July 2007 observed from infrared nadir spectra recorded by IASI

M. Eremenko

Laboratoire Interuniversitaire des Systèmes Atmosphériques, UMR7583, Université Paris-Est and Université Denis Diderot–Paris 7, CNRS, Créteil, France

G. Dufour

Laboratoire Interuniversitaire des Systèmes Atmosphériques, UMR7583, Université Paris-Est and Université Denis Diderot–Paris 7, CNRS, Créteil, France

G. Foret

Laboratoire Interuniversitaire des Systèmes Atmosphériques, UMR7583, Université Paris-Est and Université Denis Diderot–Paris 7, CNRS, Créteil, France

C. Keim

Laboratoire Interuniversitaire des Systèmes Atmosphériques, UMR7583, Université Paris-Est and Université Denis Diderot–Paris 7, CNRS, Créteil, France

J. Orphal

Laboratoire Interuniversitaire des Systèmes Atmosphériques, UMR7583, Université Paris-Est and Université Denis Diderot–Paris 7, CNRS, Créteil, France

M. Beekmann

Laboratoire Interuniversitaire des Systèmes Atmosphériques, UMR7583, Université Paris-Est and Université Denis Diderot–Paris 7, CNRS, Créteil, France

G. Bergametti

Laboratoire Interuniversitaire des Systèmes Atmosphériques, UMR7583, Université Paris-Est and Université Denis Diderot–Paris 7, CNRS, Créteil, France

J.-M. Flaud

Laboratoire Interuniversitaire des Systèmes Atmosphériques, UMR7583, Université Paris-Est and Université Denis Diderot–Paris 7, CNRS, Créteil, France

First partial tropospheric ozone columns (0–6 km) derived from radiances observed by the IASI instrument aboard the MetOp-A platform over Europe during summer 2007 are presented. They were retrieved using an altitude-dependent regularization method. Comparison with measurements from balloon sondes shows excellent agreement. Space-borne observations show large lower tropospheric ozone amounts over South-Eastern Europe during the heat wave period, which are also displayed by simulations with a regional chemistry-transport model CHIMERE.

Received 27 May 2008; accepted 5 August 2008; published 23 September 2008.

Citation: Eremenko, M., G. Dufour, G. Foret, C. Keim, J. Orphal, M. Beekmann, G. Bergametti, and J.-M. Flaud (2008), Tropospheric ozone distributions over Europe during the heat wave in July 2007 observed from infrared nadir spectra recorded by IASI, Geophys. Res. Lett., 35, L18805, doi:10.1029/2008GL034803.

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