Ten Years Behavior of Carbonaceous Ultrafine Particulate Matter (PM<sub>0.1</sub>) in Phnom Penh, Cambodia
نویسندگان
چکیده
Abstract The long-term behavior of mass concentration ambient ultrafine particulate matter was discussed on samples collected at a site located in Phnom Penh City, Cambodia, between 2011-2020. A cascade air sampler that can collect PM 0.1 (<0.1 μm) has been used roof floor 5-story building the campus Institute Technology Cambodia (ITC) near central part City. main goal to investigate and carbon compositions, including elemental (EC) organic (OC). As result, increased by about 2.3 times, remarkably past ten years. EC soot-EC, which are considered be road traffic sources, also increase PM0.1 concentration. Soot-EC number vehicles per year correlated. Biomass burning indicators such as OC, char-EC, hot spots same time. Consequently, it is dry season (January March) greatly affected open fires neighboring countries.
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ژورنال
عنوان ژورنال: IOP conference series
سال: 2023
ISSN: ['1757-899X', '1757-8981']
DOI: https://doi.org/10.1088/1755-1315/1199/1/012024