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Intercomparison of Airborne Water Vapour DIAL Measurements with Ground Based Remote Sensing and Radiosondes within the Framework of LUAMI 2020

Wirth, M. and Fix, A. and Ehret, G. and Reichardt, R. and Begbie, R. and Engelbart, D. and Vömel, H. and Calpini, B. and Romanens, G. and Apituley, A. and Wilson, K. M. and Vogelmann, H. and Trickl, T. (2009) Intercomparison of Airborne Water Vapour DIAL Measurements with Ground Based Remote Sensing and Radiosondes within the Framework of LUAMI 2020. ISTP 2009, 19.-23. Okt. 2009, Delft, Netherlands.

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Abstract

Within the framework of the 'Lindenberg campaign regarding an Upper-Air Methods Intercomparison' (LUAMI), an intercomparison of water vapour profile measurements between ground based lidars and radiosondes with an airborne differential absorption lidar (DIAL) were performed. On 17. October 2008 the DLR Falcon aircraft carried out a flight over middle Europe with overpasses of the ground based observatories located at Payerne (MeteoSwiss, Switzerland), Bilthoven (RIVM, Netherlands), Lindenberg (DWD, Germany) and Zugspitze (IMK, Germany). The aircraft was equipped with DLR's new four-wavelength water-vapour DIAL WALES and a coherent wind lidar operating at 2 μm wavelength. On this day the water vapour field over the probed region showed a highly non-standard vertical distribution with a very dry layer at about 3 km altitude, most probably originating from a stratospheric intrusion. This gave an excellent opportunity to compare RAMAN lidar, DIAL, and radiosonde measurements under conditions far from the standard profile. The results of this effort will be shown together with a critical analysis of the relative benefits and deficits of the different probing methods which were applied.

Document Type:Conference or Workshop Item (Speech)
Title:Intercomparison of Airborne Water Vapour DIAL Measurements with Ground Based Remote Sensing and Radiosondes within the Framework of LUAMI 2020
Authors:
AuthorsInstitution or Email of Authors
Wirth, M.DLR
Fix, A.DLR
Ehret, G.DLR
Reichardt, R.DWD
Begbie, R.DWD
Engelbart, D.DWD
Vömel, H.DWD
Calpini, B.MeteoSwiss
Romanens, G.MeteoSwiss
Apituley, A.RIVM
Wilson, K. M.RIVM
Vogelmann, H.Institute of Technology
Trickl, T.Institute of Technology
Date:October 2009
Status:Published
Keywords:Lidar Luami Falcon Water Vapor
Event Title:ISTP 2009
Event Location:Delft, Netherlands
Event Type:international Conference
Event Dates:19.-23. Okt. 2009
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben LIDAR-Forschung und -Entwicklung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Stephanie Zähnle
Deposited On:26 Jan 2010 14:11
Last Modified:26 Jan 2010 14:11

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