AEROSOL INVESTIGATION DURING THE ARCTIC HAZE SEASON OF 2018: OPTICAL AND MICROPHYSICAL PROPERTIES

被引：0
|
作者：
Nakoudi, Konstantina [1 ,2 ]
Boeckmann, Christine [3 ]
Ritter, Christoph [1 ]
Pefanis, Vasileios [4 ,5 ]
Maturilli, Marion [1 ]
Bracher, Astrid [4 ,5 ]
Neuber, Roland [1 ]
机构：
[1] Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, Potsdam, Germany
[2] Univ Potsdam, Inst Phys & Astron, Potsdam, Germany
[3] Univ Potsdam, Inst Math, Potsdam, Germany
[4] Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, Bremerhaven, Germany
[5] Univ Bremen, Inst Environm Phys, Bremen, Germany
来源：
29TH INTERNATIONAL LASER RADAR CONFERENCE (ILRC 29) | 2020年 / 237卷
关键词：
LIDAR; INVERSION;
D O I：
10.1051/epjconf/202023702002
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this work, optical and microphysical properties of Arctic aerosol as well as their radiative impact are investigated. Air-borne Lidar observations along with ground -based measurements are evaluated for the Arctic Haze season of 2018. Aerosol abundance as inferred from particle backscatter was typical for this period of the year, with nearly spherical and large particles. The inversion of microphysical properties yielded high Refractive Index (RI) together with low Single Scattering Albedo (SSA), suggesting absorbing particles. A fitted lognormal volume distribution revealed a fine mode with effective radius (r(eff)) of 0.23 mu m and a coarse mode with r(eff)=0.75 mu m. The total radiative balance on ground was positive (12 wm(-2))
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页数：4
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