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Investigation of cirrus cloud structure by airborne water-vapor DIAL measurements during the HALO Techno-Mission

Groß, Silke and Wirth, Martin and Kiemle, Christoph (2012) Investigation of cirrus cloud structure by airborne water-vapor DIAL measurements during the HALO Techno-Mission.

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Abstract

During the first campaign of the new German research aircraft HALO, measurements with the differential absorption lidar (DIAL) WALES from the DLR Oberpfaffenhofen were performed. Comparisons with collocated in-situ measurements on board the DLR’s Falcon20-E5, performing synchronous flights below HALO, were used to validate the DIAL measurements. Furthermore they justified the use of ECMWF analysis temperature to calculate the relative humidity from DIAL measurements of the absolute humidity, as they showed, that the main variability of the relative humidity results from the water vapour fluctuations and not from temperature fluctuation. Thus for the first time studies of the absolute and relative humidity within a fully developed cirrus cloud could be performed.

Item URL in elib:https://elib.dlr.de/77283/
Document Type:Proceedings
Title:Investigation of cirrus cloud structure by airborne water-vapor DIAL measurements during the HALO Techno-Mission
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Groß, Silkesilke.gross (at) dlr.deUNSPECIFIED
Wirth, Martinmartin.wirth (at) dlr.deUNSPECIFIED
Kiemle, Christophchristoph.kiemle (at) dlr.deUNSPECIFIED
Date:2012
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:lidar, water vapor, cirrus clouds
HGF - Research field:Aeronautics, Space and Transport, Aeronautics, Space and Transport, Aeronautics, Space and Transport
HGF - Program:Transport, Space, Aeronautics
HGF - Program Themes:other, Earth Observation, ATM and Operation (old)
DLR - Research area:Transport, Raumfahrt, Aeronautics
DLR - Program:V - no assignment, R EO - Erdbeobachtung, L AO - Air Traffic Management and Operation
DLR - Research theme (Project):V - no assignment, R - Vorhaben Atmosphären- und Klimaforschung, L - Climate, Weather and Environment (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Groß, Silke Martha
Deposited On:24 Sep 2012 13:27
Last Modified:11 Feb 2013 16:14

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