Abstract:<p>Particulate matter (PM) is one major air pollutant that affects human health and the radiation balance of the earth. Thus, it is essential to identify the sources of air pollutants to provide feasible control strategies. In this study, we investigated the size-dependent <sup>15</sup>N and<sup> 18</sup>O isotope ratio of N-containing species in aerosols to specify their sources, transport, and formation processes. Aerosol samples of differ… Show more
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