长三角地区近地面大气气溶胶化学成分与同位素组成数据集（2019-2021年）

此数据集包含2019年和2021年7月在长三角地区的城市站点（合肥和宁波）开展了大气气溶胶的外场采样，并在实验室测定了气溶胶中的水溶性离子、碳组分、元素和有机分子标志物浓度，并分析了其中同位素含量，建立了气溶胶化学成分和同位素数据集，增进了对长三角地区大气气溶胶污染特征和来源的理解。

This dataset consists of field sampling campaigns for atmospheric aerosols carried out in 2019 and July 2021 at urban monitoring stations in Hefei and Ningbo, located in the Yangtze River Delta region. Laboratory measurements were conducted to determine the concentrations of water-soluble ions, carbonaceous components, elemental species, and organic molecular tracers in the collected aerosols, and the isotopic compositions of these samples were analyzed. An integrated dataset of aerosol chemical compositions and isotopic signatures was thus established, which advances the understanding of atmospheric aerosol pollution characteristics and their sources in the Yangtze River Delta region.