Chemical compositions, spatial distributions and hygroscopic properties of organic aerosols from East and South Asia

从中国、韩国、蒙古、印度和日本以及沿海和偏远岛屿采集的大气气溶胶进行了有机化学成分研究。来自北京以北40公里的漫山的气溶胶显示，草酸等二元酸的浓度高于北京的气溶胶，这表明在大气输送过程中存在二次(光化学)产生水溶性有机酸。来自新德里的印度气溶胶显示，低分子二元酸的浓度非常高。对乌兰巴托气溶胶的吸湿性进行了研究，结果表明，乌兰巴托气溶胶的生长因子(GF=1.22)与生物质燃烧气溶胶相近。

Atmospheric aerosols, collected from China, Korea, Mongolia, India and Japan as well as coastal and remote islands, have been studied for organic chemical compositions. The aerosols from Manshan, 40 km north of Beijing, showed higher concentrations of dicarboxylic acids such as oxalic acid than those from Beijing, suggesting a secondary (photochemical) production of water-soluble organic acids during atmospheric transport. Indian aerosols from New Delhi showed very high concentrations of low molecular weight diacids. Aerosols from Ulaanbaatar were studied for the hygroscopicity, indicating that the growth factor (Gf=1.22) is close to that of biomass burning aerosols.