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Journal Articles Planetary and Space Science Year : 1987

Intercomparison of stratospheric NO2 and NO3 measurements during MAP/GLOBUS 1983

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Jean-Pierre Pommereau
W.A. Matthews
  • Function : Author
D. Huguenin
  • Function : Author

Abstract

Nitrogen dioxide and trioxide have been observed from balloons, plane and from the ground during MAP/GLOBUS 1983. Comparison between NO2 mixing ratios measured from balloons shows some agreement between remote sensing techniques on the one hand and in situ methods on the other. The two sets of data which agree in the lower stratosphere at 20 km diverge at higher altitudes by a factor of 2 around 27 km and 4 around 33 km. The NO2 column densities observed at sunset from the ground are in agreement with plane and balloon determinations, provided that the average mixing ratio below 16 km was indeed lower than 1.5 × 10−10. The diurnal variation of the NO2 column as determined from ground observations during the second half of September differs from the one seen in the stratosphere. A first comparison between NO3 night-time remote measurement and preliminary in situ results show a disagreement by a factor of 2.

Dates and versions

insu-03219473 , version 1 (06-05-2021)

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Cite

Jean-Pierre Pommereau, P. Fabian, G. Flentje, M. Helten, H.W. Pätz, et al.. Intercomparison of stratospheric NO2 and NO3 measurements during MAP/GLOBUS 1983. Planetary and Space Science, 1987, 35 (5), pp.615-629. ⟨10.1016/0032-0633(87)90128-0⟩. ⟨insu-03219473⟩
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