Atmos. Chem. Phys. Discuss., 3, 4833-4856, 2003
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This discussion paper has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP.
Ground-based water vapour soundings by microwave radiometry and Raman lidar on Jungfraujoch (Swiss Alps)
D. Gerber1, I. Balin2, D. Feist1, N. Kämpfer1, V. Simeonov2, B. Calpini2,*, and H. van den Bergh2
1Institute of Applied Physics, University of Bern, Switzerland
2Laboratory of Air Pollution, Swiss Federal Institute of Technology – Lausanne (EPFL), Lausanne, Switzerland
*Now at: MétéoSuisse, Payerne Station, Switzerland

Abstract. Water vapour has been measured from the International Scientific Station Jungfraujoch (ISSJ, 47° N, 7° E, 3580 m a.s.l.) during the winters of 1999/2000 and 2000/2001 by microwave radiometry and Raman lidar. The abundance of atmospheric water vapour between the planetary boundary layer and the upper stratosphere varies over more than three orders of magnitude. The currently used measurement techniques are suited to determine the abundance of water vapour in different atmospheric regimes, however none can resolve by itself a vertical distribution profile over a full altitude range from ground level to the top of the stratosphere. We present such a water vapour profile where simultaneous measurements from a Raman lidar and a microwave radiometer are combined to cover both the troposphere and the stratosphere, respectively. We also present a study of the stratospheric and tropospheric water vapour variability for the two consecutive winters.

Citation: Gerber, D., Balin, I., Feist, D., Kämpfer, N., Simeonov, V., Calpini, B., and van den Bergh, H.: Ground-based water vapour soundings by microwave radiometry and Raman lidar on Jungfraujoch (Swiss Alps), Atmos. Chem. Phys. Discuss., 3, 4833-4856, doi:10.5194/acpd-3-4833-2003, 2003.
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