气候变化领域集成服务门户(CCPortal): Sun photometer retrievals of Saharan dust properties over Barbados during SALTRACE

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DOI	10.5194/acp-19-14571-2019
	Sun photometer retrievals of Saharan dust properties over Barbados during SALTRACE
	Toledano C.; Torres B.; Velasco-Merino C.; Althausen D.; Groß S.; Wiegner M.; Weinzierl B.; Gasteiger J.; Ansmann A.; González R.; Mateos D.; Farrel D.; Müller T.; Haarig M.; Cachorro V.E.
发表日期	2019
ISSN	16807316
起始页码	14571
结束页码	14583
卷号	19 期号:23
英文摘要	The Saharan Aerosol Long-Range Transport and Aerosol-Cloud-Interaction Experiment (SALTRACE) was devoted to the investigation of Saharan dust properties over the Caribbean. The campaign took place in June-July 2013. A wide set of ground-based and airborne aerosol instrumentation was deployed at the island of Barbados for a comprehensive experiment. Several sun photometers performed measurements during this campaign: two AERONET (Aerosol Robotic Network) Cimel sun photometers and the Sun and Sky Automatic Radiometer (SSARA). The sun photometers were co-located with the ground-based multi-wavelength lidars BERTHA (Backscatter Extinction lidar Ratio Temperature Humidity profiling Apparatus) and POLIS (Portable Lidar System). Aerosol properties derived from direct sun and sky radiance observations are analyzed, and a comparison with the co-located lidar and in situ data is provided. The time series of aerosol optical depth (AOD) allows identifying successive dust events with short periods in between in which the marine background conditions were observed. The moderate aerosol optical depth in the range of 0.3 to 0.6 was found during the dust periods. The sun photometer infrared channel at the 1640nm wavelength was used in the retrieval to investigate possible improvements to aerosol size retrievals, and it was expected to have a larger sensitivity to coarse particles. The comparison between column (aerosol optical depth) and surface (dust concentration) data demonstrates the connection between the Saharan Air Layer and the boundary layer in the Caribbean region, as is shown by the synchronized detection of the successive dust events in both datasets. However the differences of size distributions derived from sun photometer data and in situ observations reveal the difficulties in carrying out a column closure study. © 2019 All rights reserved.
语种	英语
scopus关键词	AERONET; aerosol; aerosol property; dust; long range transport; optical depth; photometer; wavelength; Barbados
来源期刊	Atmospheric Chemistry and Physics
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/144003
作者单位	Atmospheric Optics Group, University of Valladolid, Valladolid, Spain; Laboratory of Atmospheric Optics, University of Lille, Villeneuve-d'Ascq, France; Leibniz Institute for Tropospheric Research, Leipzig, Germany; Institute of Atmospheric Physics, German Aerospace Center, Oberpfaffenhofen, Germany; Meteorological Institute Munich, Ludwig-Maximilians-Universität München, Munich, Germany; Aerosol Physics and Environmental Physics, University of Vienna, Vienna, Austria; Caribbean Institute for Meteorology and Hydrology, Bridgetown, Barbados
推荐引用方式 GB/T 7714	Toledano C.,Torres B.,Velasco-Merino C.,et al. Sun photometer retrievals of Saharan dust properties over Barbados during SALTRACE[J],2019,19(23).
APA	Toledano C..,Torres B..,Velasco-Merino C..,Althausen D..,Groß S..,...&Cachorro V.E..(2019).Sun photometer retrievals of Saharan dust properties over Barbados during SALTRACE.Atmospheric Chemistry and Physics,19(23).
MLA	Toledano C.,et al."Sun photometer retrievals of Saharan dust properties over Barbados during SALTRACE".Atmospheric Chemistry and Physics 19.23(2019).