干旱区生态环境知识资源中心(Arid): Implementation of an aggregate index to elucidate the influence of atmospheric synoptic conditions on air quality in Athens, Greece

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DOI	10.1007/s11869-020-00810-0
	Implementation of an aggregate index to elucidate the influence of atmospheric synoptic conditions on air quality in Athens, Greece
	Dimitriou, Konstantinos 1,2; Liakakou, Eleni 1; Lianou, Maria 1; Psiloglou, Basil 1; Kassomenos, Pavlos 2; Mihalopoulos, Nikolaos 1,3; Gerasopoulos, Evangelos 1
通讯作者	Gerasopoulos, Evangelos
来源期刊	AIR QUALITY ATMOSPHERE AND HEALTH
ISSN	1873-9318
EISSN	1873-9326
出版年	2020
卷号	13 期号:4 页码:447-458
英文摘要	To evaluate air quality in Athens (Greece), hourly concentrations of PM10, NO2, O-3, and CO from an urban background monitoring station and a suburban sampling site, covering the years 2014-2018, were used for the calculation of individual daily air quality indices (AQIs), reflecting the impact of each pollutant on air quality. Individual AQIs were then integrated in a previously reported formula for the computation of a daily aggregate AQI (AQI(agg)) expressing the overall air stress. According to the results of AQI(agg), a generally moderate air quality was estimated in Athens; however, an increased likelihood of extreme AQI(agg) episodes was calculated during the warm period (16 April-15 October), due to the combination of enhanced PM10 and O-3 concentrations. Approximately 83% of AQI(agg) episodes occurred during the warm period and only 17% in cold period (16 October-15 April). Peaks of AQI(agg) in cold period were primarily related to desert dust intrusions from North Africa. AQI(PM10) and AQI(O3) were the primary contributors to AQI(agg), whereas AQI(NO2) and AQI(CO) remained at low levels. AQI(PM10) and AQI(O3) had the highest contribution to AQI(agg) on 72% and 28% of total days respectively. Atmospheric circulation patterns produced by a K-means cluster analysis procedure revealed that extended low pressure areas centered over the UK were associated with dust importation in Athens due to the triggering of southwestern airflows by the cyclonic activity. Strong correlations between the individual and aggregate AQIs calculated at the urban background and the suburban sampling site were found, indicating relatively uniform air quality conditions inside the Athens basin. Mean annual AQI(agg) values at the suburban station for the years 2001-2018 showed a gradual amelioration and stabilization of air quality in Athens after 2008, related to the status of Greek economy and depollution measures.
英文关键词	Air quality index PM10 O-3 Athens Saharan dust
类型	Article
语种	英语
国家	Greece
收录类别	SCI-E
WOS记录号	WOS:000522927500003
WOS关键词	CHEMICAL-COMPOSITION ; POLLUTION INDEX ; TERM EXPOSURE ; URBAN AREAS ; CIRCULATION ; AEROSOL ; HEALTH ; OZONE ; METROPOLITAN ; INDICATORS
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/313996
作者单位	1.Natl Observ Athens, Inst Environm Res & Sustainable Dev, Athens 15236, Greece; 2.Univ Ioannina, Dept Phys, Lab Meteoml, Ioannina 45110, Greece; 3.Univ Crete, Environm Chem Proc Lab, Dept Chem, Iraklion 71003, Greece
推荐引用方式 GB/T 7714	Dimitriou, Konstantinos,Liakakou, Eleni,Lianou, Maria,et al. Implementation of an aggregate index to elucidate the influence of atmospheric synoptic conditions on air quality in Athens, Greece[J],2020,13(4):447-458.
APA	Dimitriou, Konstantinos.,Liakakou, Eleni.,Lianou, Maria.,Psiloglou, Basil.,Kassomenos, Pavlos.,...&Gerasopoulos, Evangelos.(2020).Implementation of an aggregate index to elucidate the influence of atmospheric synoptic conditions on air quality in Athens, Greece.AIR QUALITY ATMOSPHERE AND HEALTH,13(4),447-458.
MLA	Dimitriou, Konstantinos,et al."Implementation of an aggregate index to elucidate the influence of atmospheric synoptic conditions on air quality in Athens, Greece".AIR QUALITY ATMOSPHERE AND HEALTH 13.4(2020):447-458.