Arid
DOI10.5194/acp-16-13711-2016
Extreme dust storm over the eastern Mediterranean in September 2015: satellite, lidar, and surface observations in the Cyprus region
Mamouri, Rodanthi-Elisavet1,2; Ansmann, Albert3; Nisantzi, Argyro1; Solomos, Stavros2; Kallos, George4; Hadjimitsis, Diofantos G.1
通讯作者Mamouri, Rodanthi-Elisavet
来源期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
EISSN1680-7324
出版年2016
卷号16期号:21页码:13711-13724
英文摘要

A record-breaking dust storm originating from desert regions in northern Syria and Iraq occurred over the eastern Mediterranean in September 2015. In this contribution of a series of two articles (part 1, observations; part 2, atmospheric modeling), we provide a comprehensive overview of the aerosol conditions during this extreme dust outbreak in the Cyprus region. These observations are based on satellite observations (MODIS, moderate resolution imaging spectroradiometer) of aerosol optical thickness (AOT) and Angstrom exponent, surface particle mass (PM10) concentrations measured at four sites in Cyprus, visibility observations at three airports in southern Cyprus and corresponding conversion products (particle extinction coefficient, dust mass concentrations), EARLINET (European Aerosol Research Lidar Network) lidar observations of dust vertical layering over Limassol, particle optical properties (backscatter, extinction, lidar ratio, linear depolarization ratio), and derived profiles of dust mass concentrations. Maximum 550 nm AOT exceeded values of 5.0, according to MODIS, and the mass loads were correspondingly > 10 g m(-2) over Larnaca and Limassol during the passage of an extremely dense dust front on 8 September 2015. Hourly mean PM10 values were close to 8000 mu g m(-3) and the observed meteorological optical range (visibility) was reduced to 300-750 m at Larnaca and Limassol. The visibility observations suggest peak values of the near-surface total suspended particle (TSP) extinction coefficients of 6000 Mm(-1) and thus TSP mass concentrations of 10 000 mu g m(-3). The Raman polarization lidar observations mainly indicated a double layer structure of the dust plumes (reaching to about 4 km height), pointing to at least two different dust source regions. Dust particle extinction coefficients (532 nm) already exceeded 1000 Mm(-1) and the mass concentrations reached 2000 mu g m(-3) in the elevated dust layers on 7 September, more than 12 h before the peak dust front on 8 September reached the Limassol lidar station around local noon. Typical Middle Eastern dust lidar ratios around 40 sr were observed in the dense dust plumes. The particle depolarization ratio decreased from around 0.3 in the lofted dense dust layers to 0.2 at the end of the dust period (11 September), indicating an increasing impact of anthropogenic haze.


类型Article
语种英语
国家Cyprus ; Greece ; Germany
收录类别SCI-E
WOS记录号WOS:000387119200003
WOS关键词SAHARAN DUST ; MINERAL DUST ; POLARIZATION LIDAR ; MASS CONCENTRATION ; AEROSOL PRODUCTS ; RAMAN LIDAR ; EARLINET ; PROFILES ; NETWORK ; MOROCCO
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/2XILL650/191581
作者单位1.Cyprus Univ Technol, Dept Civil Engn & Geomat, Limassol, Cyprus;
2.Natl Observ Athens, Inst Astron Astrophys Space Applicat & Remote Sen, Athens, Greece;
3.Leibniz Inst Tropospher Res, Leipzig, Germany;
4.Univ Athens, Sch Phys, Div Environm & Meteorol, Athens, Greece
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Mamouri, Rodanthi-Elisavet,Ansmann, Albert,Nisantzi, Argyro,et al. Extreme dust storm over the eastern Mediterranean in September 2015: satellite, lidar, and surface observations in the Cyprus region[J],2016,16(21):13711-13724.
APA Mamouri, Rodanthi-Elisavet,Ansmann, Albert,Nisantzi, Argyro,Solomos, Stavros,Kallos, George,&Hadjimitsis, Diofantos G..(2016).Extreme dust storm over the eastern Mediterranean in September 2015: satellite, lidar, and surface observations in the Cyprus region.ATMOSPHERIC CHEMISTRY AND PHYSICS,16(21),13711-13724.
MLA Mamouri, Rodanthi-Elisavet,et al."Extreme dust storm over the eastern Mediterranean in September 2015: satellite, lidar, and surface observations in the Cyprus region".ATMOSPHERIC CHEMISTRY AND PHYSICS 16.21(2016):13711-13724.
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