Scan strategies for wind profiling with Doppler lidar – an large-eddy simulation (LES)-based evaluation
Abstract m s - 1 for 10 min averages of wind speed measurements in a moderately convective boundary layer, while RMSD exceeds 2 m s - 1 in strongly convective conditions. Unlike instrument orientation with respect to the main flow and scanning scheme, the zenith angle configuration proved to have significant effect on the retrieval error. Horizontal wind speed error is reduced when a larger zenith angle configuration is used but is increased for measurements of vertical wind. Furthermore, we find that extending the averaging interval length of lidar measurements reduces the error. In addition, a longer duration of a full scan cycle and hence a smaller number of scans per averaging interval increases the error. Results suggest that the scan strategy has a measurable impact on the lidar retrieval error and that instrument configuration should be chosen depending on the quantity of interest and the flow conditions in which the measurement is performed.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Scan strategies for wind profiling with Doppler lidar – an large-eddy simulation (LES)-based evaluation ; volume:15 ; number:9 ; year:2022 ; pages:2839-2856 ; extent:18
Atmospheric measurement techniques ; 15, Heft 9 (2022), 2839-2856 (gesamt 18)
- Urheber
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Rahlves, Charlotte
Beyrich, Frank
Raasch, Siegfried
- DOI
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10.5194/amt-15-2839-2022
- URN
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urn:nbn:de:101:1-2022051205193894315435
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:37 MESZ
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Beteiligte
- Rahlves, Charlotte
- Beyrich, Frank
- Raasch, Siegfried
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