Impact of the 2009 Attica wild fires on the air quality in urban Athens

被引：51

作者：

Amiridis, V. ^{[1
]}

Zerefos, C. ^{[2
,3
]}

Kazadzis, S. ^{[4
]}

Gerasopoulos, E. ^{[4
]}

Eleftheratos, K. ^{[2
,3
]}

Vrekoussis, M. ^{[2
,5
]}

Stohl, A. ^{[6
]}

Mamouri, R. E. ^{[1
,7
]}

Kokkalis, P. ^{[7
]}

Papayannis, A. ^{[7
]}

Eleftheriadis, K. ^{[8
]}

Diapouli, E. ^{[8
]}

Keramitsoglou, I. ^{[1
]}

Kontoes, C. ^{[1
]}

Kotroni, V. ^{[4
]}

Lagouvardos, K. ^{[4
]}

Marinou, E. ^{[1
]}

Giannakaki, E. ^{[9
]}

Kostopoulou, E. ^{[4
]}

Giannakopoulos, C. ^{[4
]}

Richter, A. ^{[5
]}

Burrows, J. P. ^{[5
]}

Mihalopoulos, N. ^{[10
]}

机构：

[1] Natl Observ Athens, Inst Space Applicat & Remote Sensing, GR-15236 Athens, Greece

[2] Acad Athens, Biomed Res Fdn, Athens, Greece

[3] Univ Athens, Lab Climatol & Atmospher Environm, Athens, Greece

[4] Natl Observ Athens, Inst Environm Res & Sustainable Dev, GR-15236 Athens, Greece

[5] Univ Bremen, Inst Environm Phys & Remote Sensing, D-28359 Bremen, Germany

[6] Norwegian Inst Air Res, Kjeller, Norway

[7] Natl Tech Univ Athens, Dept Phys, GR-15773 Athens, Greece

[8] Natl Ctr Sci Res Demokritos, Environm Radioact Lab, Athens, Greece

[9] Aristotle Univ Thessaloniki, Lab Atmospher Phys, GR-54006 Thessaloniki, Greece

[10] Univ Crete, Environm Chem Proc Lab, Iraklion, Greece

来源：

ATMOSPHERIC ENVIRONMENT | 2012年 / 46卷

关键词：

Pollution; Biomass burning; Aerosol; Photochemistry; Radiation; AEROSOL OPTICAL DEPTH; RAMAN LIDAR; EARLINET PROJECT; POLLUTION; THESSALONIKI; BACKSCATTER; VALIDATION; ALGORITHM; TRANSPORT; FRAMEWORK;

D O I：

10.1016/j.atmosenv.2011.07.056

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

At the end of August 2009, wild fires ravaged the north-eastern fringes of Athens destroying invaluable forest wealth of the Greek capital. In this work, the impact of these fires on the air quality of Athens and surface radiation levels is examined. Satellite imagery, smoke dispersion modeling and meteorological data confirm the advection of smoke under cloud-free conditions over the city of Athens. Lidar measurements showed that the smoke plume dispersed in the free troposphere and lofted over the city reaching heights between 2 and 4 km. Ground-based sunphotometric measurements showed extreme aerosol optical depth, reaching nearly 6 in the UV wavelength range, accompanied by a reduction up to 70% of solar irradiance at ground. The intensive aerosol optical properties, namely the Angstrom exponent, the lidar ratio, and the single scattering albedo, showed typical values for highly absorbing fresh smoke particles. In-situ air quality measurements revealed the impact of the smoke plume down to the surface with a slight delay on both the particulate and gaseous phase. Surface aerosols increase was encountered mainly in the fine mode with prominent elevation of OC and EC levels. Photochemical processes, studied via NOx titration of O-3, were also shown to be different compared to typical urban photochemistry. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：536 / 544

页数：9

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