Journal Article

FZJ-2021-00855

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png A powerful lidar system capable of 1 h measurements of water vapour in the troposphere and the lower stratosphere as well as the temperature in the upper stratosphere and mesosphere

Klanner, L. (Corresponding author) ; Höveler, K. ; Khordakova, D.FZJ* ; Perfahl, M. ; Rolf, C.FZJ* ; Trickl, T. (Corresponding author) ; Vogelmann, H.

2021
Copernicus Katlenburg-Lindau

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Please use a persistent id in citations: http://hdl.handle.net/2128/27258  doi:10.5194/amt-14-531-2021

Abstract: A high-power Raman lidar system has been installed at the high-altitude research station Schneefernerhaus (Garmisch-Partenkirchen, Germany) at 2675 ma.s.l., at the side of an existing wide-range differential absorption lidar (DIAL). An industrial XeCl laser was modified for linearly polarized single-line operation at an average power of about 180 W. This high power and a 1.5 m diameter receiver allow us to extend the operating range for water-vapour sounding to 20 km for a measurement time of just 1 h, at an uncertainty level of the mixing ratio of 1 to 2 ppm. This was achieved for a vertical resolution varied between just 0.2 and 0.6 km in the stratosphere. The lidar was successfully validated with a balloon-borne cryogenic frost-point hygrometer (CFH). In addition, temperature measurements up to altitudes of around 87 km were demonstrated for 1 h of signal averaging. The system has been calibrated with the DIAL, the CFH and radiosondes.

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Contributing Institute(s):

1. Stratosphäre (IEK-7)

Research Program(s):

1. 211 - Die Atmosphäre im globalen Wandel (POF4-211) (POF4-211)
2. 2B1 - MOSES (CTA - CCA) (POF4-2B1) (POF4-2B1)

Appears in the scientific report 2021

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