Latitudinal distribution of stratospheric aerosols during the EASOE winter 1991/92

R. Neuber (1) , G. Beyerle (1) , G. Fiocco (2) , A. Di Sarra (3) , K. Fricke (4) , Christine David (5) , Sophie Godin (5) , B. Knudsen (6) , L. Stefanutti (7) , G. Vaughan (8) , J.-P. Wolf (9)

1 AWI - Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung = Alfred Wegener Institute for Polar and Marine Research = Institut Alfred-Wegener pour la recherche polaire et marine
2 UNIROMA - Università degli Studi di Roma "La Sapienza" = Sapienza University [Rome]
3 ENEA - Agenzia Nazionale per le nuove Tecnologie, l’energia e lo sviluppo economico sostenibile = Italian National Agency for New Technologies, Energy and Sustainable Economic Development
4 Rheinische Friedrich-Wilhelms-Universität Bonn
5 SA - Service d'aéronomie
6 DMI - Danish Meteorological Institute
7 IROE - Istituto di Ricerca sulle Onde Elettromagnetiche “Nello Carrara”
8 University of Wales
9 Freie Universität Berlin

Lidar measurements of stratospheric aerosols were made at several Arctic and mid-latitude stations as part of the European Arctic Stratospheric Ozone Experiment (EASOE) in 1991/92. Volcanic aerosols were observed throughout the winter at all stations. High latitude stations observed an aerosol-free stratosphere during most of the winter at altitudes above 450 K potential temperature (above 16 km). An even latitudinal distribution of volcanic aerosols was observed below this level. This is interpreted as indicative of latitudinal transport into the polar region throughout the winter.

Domaines: Physique Atmosphérique et Océanique [physics.ao-ph]

R. Neuber, G. Beyerle, G. Fiocco, A. Di Sarra, K. Fricke, et al.. Latitudinal distribution of stratospheric aerosols during the EASOE winter 1991/92. Geophysical Research Letters, 1994, 21 (13), pp.1283-1286. ⟨10.1029/93GL02890⟩. ⟨insu-03052896⟩