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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 12, issue 10/11
Ann. Geophys., 12, 956–961, 1994
https://doi.org/10.1007/s00585-994-0956-9
© European Geosciences Union 1994
Ann. Geophys., 12, 956–961, 1994
https://doi.org/10.1007/s00585-994-0956-9
© European Geosciences Union 1994

  31 Aug 1994

31 Aug 1994

Ground-based mobile scanning LIDAR for remote sensing of contrails

V. Freudenthaler, F. Homburg, and H. Jäger V. Freudenthaler et al.

Abstract. Air traffic is a source of trace gases in the upper troposphere and lower stratosphere. Contrails readily form from water vapor exhausts under favorable meteorological conditions. Since contrails are ice crystal clouds like natural cirrus clouds, they bear a greenhouse potential which has to be investigated. The IFU has built a scanning lidar system employing a pulsed Nd:YAG laser as the emitter and a 52-cm diameter telescope as the receiver. Signals are processed in several channels to investigate depolarization and wavelength dependencies of the light backscattered from ice crystals. These investigations are aimed at the formation and life cycles of contrails, their optical properties, and their climatological consequences in areas of dense air traffic. The experimental lidar setup is described and a sample measurement is shown.

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