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Ice particle sampling from aircraft – influence of the probing position on the ice water content

Afchine, Armin and Rolf, Christian and Costa, Anja and Spelten, Nicole and Riese, Martin and Buchholz, Bernhard and Ebert, Volker and Heller, Romy and Kaufmann, Stefan and Minikin, Andreas and Voigt, Christiane and Zöger, Martin and Smith, Jessica and Lawson, Paul and Lykov, Alexey and Khaykin, Sergey and Krämer, Martina (2017) Ice particle sampling from aircraft – influence of the probing position on the ice water content. Atmospheric Measurement Techniques Discussions, pp. 1-23. Copernicus Publications. DOI: 10.5194/amt-2017-373 ISSN 1867-8610

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Official URL: http://dx.doi.org/10.5194/amt-2017-373

Abstract

The ice water content (IWC) of cirrus clouds is an essential parameter determining their radiative properties and thus is important for climate simulations. Therefore, for a reliable measurement of IWC on board of research aircraft, it is important to carefully design the ice crystal sampling and measuring devices. During the HALO field campaign ML-CIRRUS in 2014, IWC was recorded by three closed path total water together with one gas phase water instrument. The Hygrometers were 5 supplied by inlets mounted on the roof of the aircraft fuselage. Simultaneously, the IWC is determined by a cloud particle spectrometer attached under an aircraft wing. Two more examples of simultaneous IWC measurements by Hygrometers and cloud spectrometers are presented, but the inlets of the hygrometers were mounted at the fuselage side (Geophysica, StratoClim campaign 2017) and bottom (WB57, MacPex 2011). This combination of instruments and inlet positions provides the opportunity to experimentally study the influence of the ice particle sampling position on the IWC.

Item URL in elib:https://elib.dlr.de/115448/
Document Type:Article
Title:Ice particle sampling from aircraft – influence of the probing position on the ice water content
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Afchine, ArminFZ JülichUNSPECIFIED
Rolf, ChristianFZ JülichUNSPECIFIED
Costa, AnjaFZ JülichUNSPECIFIED
Spelten, NicoleFZ JülichUNSPECIFIED
Riese, MartinFZ JülichUNSPECIFIED
Buchholz, BernhardPTA, BraunschweigUNSPECIFIED
Ebert, VolkerPTA, BraunschweigUNSPECIFIED
Heller, RomyDLR, IPAUNSPECIFIED
Kaufmann, StefanDLR, IPAUNSPECIFIED
Minikin, AndreasDLR, IPAUNSPECIFIED
Voigt, ChristianeDLR, IPAhttps://orcid.org/0000-0001-8925-7731
Zöger, MartinDLR, FXUNSPECIFIED
Smith, JessicaHarvard Univ., Cambridge, MA, USAUNSPECIFIED
Lawson, PaulSPEC, Boulder, USAUNSPECIFIED
Lykov, AlexeyCAO, Moskau, RusslandUNSPECIFIED
Khaykin, SergeyCNRS, Guyancourt, FrankreichUNSPECIFIED
Krämer, MartinaFZ JülichUNSPECIFIED
Date:2017
Journal or Publication Title:Atmospheric Measurement Techniques Discussions
Refereed publication:No
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:No
In ISI Web of Science:No
DOI :10.5194/amt-2017-373
Page Range:pp. 1-23
Publisher:Copernicus Publications
ISSN:1867-8610
Status:Published
Keywords:cirrus, inlet, ice water content
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Climate, Weather and Environment
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Cloud Physics
Deposited By: Voigt, Dr.rer.nat. Christiane
Deposited On:16 Nov 2017 09:22
Last Modified:02 May 2019 14:15

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