Aerosol measurements with a shipborne Sun–sky–lunar photometer and collocated multiwavelength Raman polarization lidar over the Atlantic Ocean
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Published:2019-10-28
Issue:10
Volume:12
Page:5685-5698
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ISSN:1867-8548
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Container-title:Atmospheric Measurement Techniques
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language:en
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Short-container-title:Atmos. Meas. Tech.
Author:
Yin ZhenpingORCID, Ansmann Albert, Baars HolgerORCID, Seifert PatricORCID, Engelmann Ronny, Radenz MartinORCID, Jimenez CristoferORCID, Herzog Alina, Ohneiser Kevin, Hanbuch Karsten, Blarel Luc, Goloub Philippe, Dubois Gaël, Victori Stephane, Maupin Fabrice
Abstract
Abstract. A shipborne Sun–sky–lunar photometer of type CE318-T was
tested during two trans-Atlantic cruises aboard the German research vessel
Polarstern from 54∘ N to 54∘ S in May/June and December 2018. The
continuous observations of the motion-stabilized shipborne CE318-T enabled
the first-time observation of a full diurnal cycle of aerosol optical depth
(AOD) and column-mean Ångström coefficient of a mixed dust–smoke
episode. The latitudinal distribution of the AOD from the shipborne CE318-T,
Raman lidar and MICROTOPS II shows the same trend with highest values in the
dust belt from 0 to 20∘ N and overall low values in
the Southern Hemisphere. The linear-regression coefficients of determination
between MICROTOPS II and the CE318-T were 0.988, 0.987, 0.994 and 0.994 for
AODs at 380, 440, 500 and 870 nm and 0.896 for the Ångström exponent
at 440–870 nm. The root-mean-squared differences of AOD at 380, 440, 500 and
870 nm were 0.015, 0.013, 0.010 and 0.009, respectively.
Funder
H2020 Research Infrastructures
Publisher
Copernicus GmbH
Subject
Atmospheric Science
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