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Improvement of airborne retrievals of cloud droplet number concentration of trade wind cumulus using a synergetic approach

Wolf, Kevin and Ehrlich, André and Jacob, Marek and Crewell, Susanne and Wirth, Martin and Wendisch, Manfred (2019) Improvement of airborne retrievals of cloud droplet number concentration of trade wind cumulus using a synergetic approach. Atmospheric Measurement Techniques (AMT), 12 (3), pp. 1635-1658. Copernicus Publications. DOI: 10.5194/amt-12-1635-2019 ISSN 1867-1381

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Official URL: http://dx.doi.org/10.5194/amt-12-1635-2019

Abstract

In situ measurements of cloud droplet number concentration N are limited by the sampled cloud volume. Satellite retrievals of N suffer from inherent uncertainties, spatial averaging, and retrieval problems arising from the commonly assumed strictly adiabatic vertical profiles of cloud properties. To improve retrievals of N it is suggested in this paper to use a synergetic combination of passive and active airborne remote sensing measurement, to reduce the uncertainty of N retrievals, and to bridge the gap between in situ cloud sampling and global averaging. For this purpose, spectral solar radiation measurements above shallow trade wind cumulus were combined with passive microwave and active radar and lidar observations carried out during the second Next Generation Remote Sensing for Validation Studies (NARVAL-II) campaign with the High Altitude and Long Range Research Aircraft (HALO) in August 2016.

Item URL in elib:https://elib.dlr.de/127933/
Document Type:Article
Title:Improvement of airborne retrievals of cloud droplet number concentration of trade wind cumulus using a synergetic approach
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wolf, KevinLeipzig Institute for Meteorology, University of LeipzigUNSPECIFIED
Ehrlich, AndréLeipzig Institute for Meteorology, University of LeipzigUNSPECIFIED
Jacob, MarekInstitute for Geophysics and Meteorology, University of CologneUNSPECIFIED
Crewell, SusanneInstitute for Geophysics and Meteorology, University of CologneUNSPECIFIED
Wirth, MartinDLR, IPAhttps://orcid.org/0000-0001-5951-2252
Wendisch, ManfredLeipzig Institute for Meteorology, University of LeipzigUNSPECIFIED
Date:13 March 2019
Journal or Publication Title:Atmospheric Measurement Techniques (AMT)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:12
DOI :10.5194/amt-12-1635-2019
Page Range:pp. 1635-1658
Publisher:Copernicus Publications
ISSN:1867-1381
Status:Published
Keywords:Cloud, number concentration, remote sensing
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben LIDAR-Forschung und -Entwicklung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Wirth, Dr.rer.nat. Martin
Deposited On:28 Jun 2019 11:27
Last Modified:17 Sep 2019 11:15

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