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- Title
A powerful lidar system capable of one-hour measurements of water vapour in the troposphere and the lower stratosphere as well as the temperature in the upper stratosphere and mesosphere.
- Authors
Klanner, Lisa; Höveler, Katharina; Khordakova, Dina; Perfahl, Matthias; Rolf, Christian; Trickl, Thomas; Vogelmann, Hannes
- Abstract
A high-power Raman lidar system has been installed at the high-altitude research station Schneefernerhaus (Garmisch-Partenkirchen, Germany) at 2675m a.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 180W. This high power and a 1.5-m-diameter receiver allow us to extend the operating range for water-vapour sounding to 20km within one hour, at an uncertainty level of the mixing ratio of 1 to 2ppm. This was achieved for a vertical resolution varied between just 0.2 and 0.6km in the stratosphere and could be improved for stronger smoothing. The lidar was successfully validated with a balloon-borne cryogenic frost-point hygrometer (CFH). In addition, temperature measurements to altitudes around 87km were demonstrated for one hour of signal averaging. The system has been calibrated with the DIAL, the CFH and radiosondes.
- Subjects
STRATOSPHERE; TROPOSPHERE; TROPOPAUSE; ALTITUDE measurements; VAPORS; INDUSTRIAL lasers
- Publication
Atmospheric Measurement Techniques Discussions, 2020, p1
- ISSN
1867-8610
- Publication type
Article
- DOI
10.5194/amt-2020-90