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Metal elements in atmospheric aerosols during different pollution events in the coastal region of the Yellow Sea: Concentration, solubility and deposition flux.
Shang, Tao; Kong, Lingdong; Qi, Jianhua.
Afiliación
  • Shang T; Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao 266100, China.
  • Kong L; Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao 266100, China.
  • Qi J; Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao 266100, China. Electronic address: qjianhua@ouc.edu.cn.
Mar Pollut Bull ; 206: 116711, 2024 Sep.
Article en En | MEDLINE | ID: mdl-39018821
ABSTRACT
Atmospheric aerosol (including total suspended particulate (TSP) samples and fine particulate matter (PM2.5) samples) and precipitation samples were collected in Qingdao from May 2020 to June 2021. The concentrations of metal elements on fog days were 0.28-0.56 times that on clean days; those on haze-fog (HF), haze and dust days were 0.76-2.7, 1.2-3.6 and 1.7-5.7 times those on clean days, respectively. Compared with that on clean days, the solubility of metals on fog, HF and haze days increased by 4 %-193 %, but that on dust days decreased by 1 %-62 %. The dry deposition fluxes of dissolved Al, Fe, Zn, Pb, Cu and Cd were the highest on HF or haze days, which were 2.2-15 times clean days. The dry deposition fluxes of metals accounted for 56 %-89 % of the total deposition fluxes (including dry and wet deposition).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Solubilidad / Monitoreo del Ambiente / Aerosoles / Contaminantes Atmosféricos / Material Particulado / Metales País/Región como asunto: Asia Idioma: En Revista: Mar Pollut Bull Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Solubilidad / Monitoreo del Ambiente / Aerosoles / Contaminantes Atmosféricos / Material Particulado / Metales País/Región como asunto: Asia Idioma: En Revista: Mar Pollut Bull Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido