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Characteristics, sources and evolution of fine aerosol (PM1) at urban, coastal and forest background sites in Lithuania

机译:立陶宛城市,沿海和森林背景站点的精细气溶胶(PM1)的特征,来源和演变

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摘要

The chemical and isotopic composition of organic aerosol (OA) samples collected on PM1 filters was determined as a function of desorption temperature to investigate the main sources of organic carbon and the effects of photochemical processing on atmospheric aerosol. The filter samples were collected at an urban (54 degrees 38' N, 25 degrees 18' E), coastal (55 degrees 55' N, 21 degrees 00' E) and forest (55 degrees 27' N, 26 degrees 00' E) site in Lithuania in March 2013. They can be interpreted as winter-time samples because the monthly averaged temperature was -4 degrees C.
机译:确定了在PM1过滤器上收集的有机气溶胶(OA)样品的化学和同位素组成与解吸温度的关系,以研究有机碳的主要来源以及光化学处理对大气气溶胶的影响。过滤器样品在市区(54度38'N,25度18'E),沿海地区(55度55'N,21度00'E)和森林(55度27'N,26度00'E)采集)站点于2013年3月在立陶宛。由于月平均温度为-4摄氏度,因此可以将其解释为冬季样本。

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