干旱区生态环境知识资源中心(Arid): EARLINET observations of Saharan dust intrusions over the northern Mediterranean region (2014-2017): properties and impact on radiative forcing

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DOI	10.5194/acp-20-15147-2020
	EARLINET observations of Saharan dust intrusions over the northern Mediterranean region (2014-2017): properties and impact on radiative forcing
	Soupiona, Ourania; Papayannis, Alexandros; Kokkalis, Panagiotis; Foskinis, Romanos; Sanchez Hernandez, Guadalupe; Ortiz-Amezcua, Pablo; Mylonaki, Maria; Papanikolaou, Christina-Anna; Papagiannopoulos, Nikolaos; Samaras, Stefanos; Gross, Silke; Mamouri, Rodanthi-Elisavet; Alados-Arboledas, Lucas; Amodeo, Aldo; Psiloglou, Basil
通讯作者	Soupiona, O (corresponding author), Natl Tech Univ Athens, Sch Appl Math & Phys Sci, Dept Phys, Athens 15780, Greece.
来源期刊	ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN	1680-7316
EISSN	1680-7324
出版年	2020
卷号	20 期号:23 页码:15147-15166
英文摘要	Remote sensing measurements of aerosols using depolarization Raman lidar systems from four EARLINET (European Aerosol Research Lidar Network) stations are used for a comprehensive analysis of Saharan dust events over the Mediterranean basin in the period 2014-2017. In this period, 51 dust events regarding the geometrical, optical and microphysical properties of dust were selected, classified and assessed according to their radiative forcing effect on the atmosphere. From west to east, the stations of Granada, Potenza, Athens and Limassol were selected as representative Mediterranean cities regularly affected by Saharan dust intrusions. Emphasis was given on lidar measurements in the visible (532 nm) and specifically on the consistency of the particle linear depolarization ratio (delta(p532)), the extinction-to-backscatter lidar ratio (LR532) and the aerosol optical thickness (AOT(532)) within the observed dust layers. We found mean delta(p532) values of 0.24 +/- 0.05, 0.26 +/- 0.06, 0.28 +/- 0.05 and 0.28 +/- 0.04, mean LR532 values of 52 +/- 8, 51 +/- 9, 52 +/- 9 and 49 +/- 6 sr and mean AOT(532) values of 0.40 +/- 0.31, 0.11 +/- 0.07, 0.12 +/- 0.10 and 0.32 +/- 0.17, for Granada, Potenza, Athens and Limassol, respectively. The mean layer thickness values were found to range from similar to 1700 to similar to 3400 m a.s.l. Additionally, based also on a previous aerosol type classification scheme provided by airborne High Spectral Resolution Lidar (HSRL) observations and on air mass backward trajectory analysis, a clustering analysis was performed in order to identify the mixing state of the dusty layers over the studied area. Furthermore, a synergy of lidar measurements and modeling was used to analyze the solar and thermal radiative forcing of airborne dust in detail. In total, a cooling behavior in the solar range and a significantly lower heating behavior in the thermal range was estimated. Depending on the dust optical and geometrical properties, the load intensity and the solar zenith angle (SZA), the estimated solar radiative forcing values range from -59 to -22 W m(-2) at the surface and from -24 to -1 W m(-2) at the top of the atmosphere (TOA) Similarly, in the thermal spectral range these values range from +2 to +4 W m(-2) for the surface and from +1 to +3 W m(-2) for the TOA. Finally, the radiative forcing seems to be inversely proportional to the dust mixing ratio, since higher absolute values are estimated for less mixed dust layers.
类型	Article
语种	英语
开放获取类型	Green Submitted, gold
收录类别	SCI-E
WOS记录号	WOS:000599162200003
WOS关键词	OPTICAL-PROPERTIES ; MINERAL DUST ; RAMAN LIDAR ; DESERT DUST ; PARTICLE PROPERTIES ; IBERIAN PENINSULA ; AFRICAN DUST ; AEROSOL ; BACKSCATTER ; EXTINCTION
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/348738
作者单位	[Soupiona, Ourania; Papayannis, Alexandros; Foskinis, Romanos; Mylonaki, Maria; Papanikolaou, Christina-Anna] Natl Tech Univ Athens, Sch Appl Math & Phys Sci, Dept Phys, Athens 15780, Greece; [Kokkalis, Panagiotis] Kuwait Univ, Dept Phys, Safat 13060, Kuwait; [Sanchez Hernandez, Guadalupe; Ortiz-Amezcua, Pablo; Alados-Arboledas, Lucas] Univ Granada, Dept Appl Phys, Granada 18071, Spain; [Sanchez Hernandez, Guadalupe; Ortiz-Amezcua, Pablo; Alados-Arboledas, Lucas] Andalusian Inst Earth Syst Res, Granada 18006, Spain; [Papagiannopoulos, Nikolaos; Amodeo, Aldo] CNR, Ist Metodol Anal Ambientale, I-85050 Tito, Italy; [Samaras, Stefanos] German Aerosp Ctr DLR, German Remote Sensing Data Ctr DFD, Wessling, Germany; [Gross, Silke] Deutsch Zentrum Luft & Raumfahrt DLR, Inst Atmospher Phys, D-82234 Oberpfaffenhofen, Germany; [Mamouri, Rodanthi-Elisavet] Cyprus Univ Technol, Dept Civil Engn & Geomat, Limassol, Cyprus; [Mamouri, Rodanthi-Elisavet] ERATOSTHENES Ctr Excellence, Limassol, Cyprus; [Psiloglou, Basil] Natl...
推荐引用方式 GB/T 7714	Soupiona, Ourania,Papayannis, Alexandros,Kokkalis, Panagiotis,et al. EARLINET observations of Saharan dust intrusions over the northern Mediterranean region (2014-2017): properties and impact on radiative forcing[J],2020,20(23):15147-15166.
APA	Soupiona, Ourania.,Papayannis, Alexandros.,Kokkalis, Panagiotis.,Foskinis, Romanos.,Sanchez Hernandez, Guadalupe.,...&Psiloglou, Basil.(2020).EARLINET observations of Saharan dust intrusions over the northern Mediterranean region (2014-2017): properties and impact on radiative forcing.ATMOSPHERIC CHEMISTRY AND PHYSICS,20(23),15147-15166.
MLA	Soupiona, Ourania,et al."EARLINET observations of Saharan dust intrusions over the northern Mediterranean region (2014-2017): properties and impact on radiative forcing".ATMOSPHERIC CHEMISTRY AND PHYSICS 20.23(2020):15147-15166.