The contribution of wood burning and other pollution sources to wintertime organic aerosol levels in two Greek cities

被引:78
|
作者
Florou, Kalliopi [1 ,2 ]
Papanastasiou, Dimitrios K. [1 ,2 ]
Pikridas, Michael [3 ]
Kaltsonoudis, Christos [1 ,2 ]
Louvaris, Evangelos [1 ,2 ]
Gkatzelis, Georgios I. [1 ,2 ]
Patoulias, David [1 ,2 ]
Mihalopoulos, Nikolaos [4 ,5 ]
Pandis, Spyros N. [1 ,2 ,6 ]
机构
[1] ICE FORTH, Inst Chem Engn Sci, Patras, Greece
[2] Univ Patras, Dept Chem Engn, Patras, Greece
[3] Cyprus Inst, Environm Energy & Water Res Ctr, Nicosia, Cyprus
[4] Univ Crete, Dept Chem, Iraklion, Greece
[5] Natl Observ Athens, IERSD, Athens, Greece
[6] Carnegie Mellon Univ, Dept Chem Engn, Pittsburgh, PA 15213 USA
基金
欧洲研究理事会;
关键词
NEW-YORK-CITY; POSITIVE MATRIX FACTORIZATION; HIGH-RESOLUTION; MASS-SPECTROMETER; SOURCE APPORTIONMENT; CHEMICAL-CHARACTERIZATION; PARTICULATE MATTER; AIR-POLLUTION; GAS-PHASE; SECONDARY;
D O I
10.5194/acp-17-3145-2017
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The composition of fine particulate matter (PM) in two major Greek cities (Athens and Patras) was measured during two wintertime campaigns, one conducted in 2013 and the other in 2012. A major goal of this study is to quantify the sources of organic aerosol (OA) and especially residential wood burning, which has dramatically increased due to the Greek financial crisis. A high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS) was deployed at both sites. PM with diameter less than 1 mu m (PM1) consisted mainly of organics (60-75 %), black carbon (5-20 %), and inorganic salts (around 20 %) in both Patras and Athens. In Patras, during evening hours, PM1 concentrations were as high as 100 mu g m(-3), of which 85% was OA. In Athens, the maximum hourly value observed during nighttime was 140 mu g m(-3), of which 120 mu g m(-3) was OA. Forty to 60% of the average OA was due to biomass burning for both cities, while the remaining mass originated from traffic (12-17 %), cooking (12-16 %), and long-range transport (18-24 %). The contribution of residential wood burning was even higher (80-90 %) during the nighttime peak concentration periods, and less than 10% during daytime. Cooking OA contributed up to 75% during mealtime hours in Patras, while traffic-related OA was responsible for 60-70% of the OA during the morning rush hour.
引用
收藏
页码:3145 / 3163
页数:19
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