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Particle settling and vertical mixing in the Saharan Air Layer as seen from an integrated model, lidar, and in situ perspective.

Gasteiger, Josef and Groß, Silke Martha and Sauer, Daniel and Haarig, Moritz and Ansmann, Albert and Weinzierl, Bernadett (2017) Particle settling and vertical mixing in the Saharan Air Layer as seen from an integrated model, lidar, and in situ perspective. Atmospheric Chemistry and Physics, 17 (1), pp. 297-311. Copernicus Publications. DOI: 10.5194/acp-17-297-2017 ISSN 1680-7316

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Official URL: https://www.atmos-chem-phys.net/17/297/2017/

Abstract

Long-range transport of aerosol in the Saharan Air Layer (SAL) across the Atlantic plays an important role for weather, climate, and ocean fertilization. However, processes occurring within the SAL and their effects on aerosol properties are still unclear. In this work we study particle settling and vertical mixing within the SAL based on measured and modeled vertical aerosol profiles in the upper 1km of the transported SAL. We use ground-based lidar measurements and airborne particle counter measurements over the western Atlantic, collected during the SALTRACE campaign, as well as space-based CALIOP lidar measurements from Africa to the western Atlantic in the summer season. In our model we take account of the optical properties and the Stokes gravitational settling of irregularly shaped Saharan dust particles.

Item URL in elib:https://elib.dlr.de/124207/
Document Type:Article
Title:Particle settling and vertical mixing in the Saharan Air Layer as seen from an integrated model, lidar, and in situ perspective.
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Gasteiger, JosefUnversität WienUNSPECIFIED
Groß, Silke MarthaDLR, IPAhttps://orcid.org/0000-0002-7467-9269
Sauer, DanielDLR, IPAhttps://orcid.org/0000-0002-0317-5063
Haarig, MoritzTROPOS, leipzigUNSPECIFIED
Ansmann, AlbertTROPOS, LeipzigUNSPECIFIED
Weinzierl, BernadettUniversität WienUNSPECIFIED
Date:2017
Journal or Publication Title:Atmospheric Chemistry and Physics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:17
DOI :10.5194/acp-17-297-2017
Page Range:pp. 297-311
Publisher:Copernicus Publications
ISSN:1680-7316
Status:Published
Keywords:Aerosols, dust, transport
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 Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Institute of Atmospheric Physics > Atmospheric Trace Species
Deposited By: Groß, Silke Martha
Deposited On:04 Dec 2018 13:22
Last Modified:02 May 2019 14:05

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