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Clear air turbulence detection and characterisation in the delicat airborne lidar project

Vrancken, Patrick and Wirth, Martin and Rempel, Dimitry and Ehret, Gerhard and Dolfi-Bouteyre, Agnès and Lombard, Laurent and Gaudo, Thierry and Rees, David and Barny, Hervé and Rondeau, Philippe (2010) Clear air turbulence detection and characterisation in the delicat airborne lidar project. In: 25th International Laser Radar Conference. 25th International Laser Radar Conference (ILRC), 05.-09. Juli 2010, St. Petersburg, Russland.

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Abstract

We report on a development of a long-range airborne UV high spectral resolution lidar, intended for the detection and characterisation of clear air turbulence (CAT). The detection of turbulence is based on the measurement of density fluctuations associated with the movement of turbulent air masses. These density fluctuations are measured by the variations in the molecular backscatter coefficient which is determined from the lidar signal by spectrally separating it from the aerosol backscatter. After an introduction, we review the CAT detection principle and describe the lidar system design. We then present the expected performance of the system and give an overview on the planned measurement campaign.

Document Type:Conference or Workshop Item (Speech)
Title:Clear air turbulence detection and characterisation in the delicat airborne lidar project
Authors:
AuthorsInstitution or Email of Authors
Vrancken, PatrickDLR
Wirth, MartinDLR
Rempel, DimitryDLR
Ehret, GerhardDLR
Dolfi-Bouteyre, AgnèsOffice National d´Études et de Recherches Aérospatiales
Lombard, LaurentOffice National d´Études et de Recherches Aérospatiales
Gaudo, ThierryOffice National d´Études et de Recherches Aérospatiales
Rees, DavidHovemere Ltd.
Barny, HervéTHALES Avionics
Rondeau, PhilippeTHALES Avionics
Date:2010
Journal or Publication Title:25th International Laser Radar Conference
Status:Published
Keywords:LIDAR; DELICAT; Turbulence Detection; ILRC
Event Title:25th International Laser Radar Conference (ILRC)
Event Location:St. Petersburg, Russland
Event Type:international Conference
Event Dates:05.-09. Juli 2010
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignement
DLR - Research area:Space
DLR - Program:W - no assignement
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Michaela Scheitler
Deposited On:09 Dec 2010 10:49
Last Modified:12 Dec 2013 21:08

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