Active chlorine species in the atmosphere. A model study
详细信息 查看全文
- 作者：Moldanová ; J. ; Ljungströ ; m ; E.
- 刊名：Journal of Aerosol Science
- 出版年：1997
- 出版时间：September, 1997
- 年：1997
- 卷：28
- 期：6
- 页码：1114
- 全文大小：78.9 K
文摘
A numerical model for the simulation of chemical and photochemical processes is used for the simulation of the development of inorganic chlorine species in coastal atmosphere. A gas-phase chemistry model for simulation of photooxidant formation was updated and extended. Chemical and photochemical reactions describing conversion of inorganic chlorine species were added to the model. Both gaseous and aqueous phase and the mass transport between the two phases were considered. A simulation of an air parcel of marine origin traveling over the land with emissions of NOx, SO2 and VOC was performed. The pH of the sea-salt particles, included in the parcel, dropped with time. Hydrochloric acid was released from the particles, mostly during nighttime. The concentration of atomic chlorine had an average daytime concentration of 1.5 × 104 molecules cm−3, the maximum peak concentration was 1.4 × 105 molecules cm−3.