Seasonal variations, temperature dependence, and sources of size-resolved PM components in Nanjing, east China

Mingjie Xie,Wei Feng,Shuyan He,Qin'geng Wang

Journal of Environmental Sciences（2022）

引用 6|浏览7

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摘要

•NO3- concentrations in coarse particles show elevations in warm seasons.•Size distributions of semi-volatile species have a dependency on ambient temperatures.•Relative humidity plays a role in driving seasonal changes of PM size distributions.•Heterogeneous formations of secondary salts contribute ∼20% of speciated coarse PM.

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关键词

Particulate matter,Size distribution,Seasonal variation,Semi-volatility,Source apportionment

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