Factors influencing aerosol solubility during cloud processes

被引：127

作者：

Desboeufs, KV ^{[1
]}

Losno, R

Colin, JL

机构：

[1] Univ Paris 07, LISA, F-94010 Creteil, France

[2] Univ Paris 12, LISA, F-94010 Creteil, France

来源：

ATMOSPHERIC ENVIRONMENT | 2001年 / 35卷 / 20期

关键词：

evaporation/condensation cycles; weathering; aerosol composition; pH; heterogeneous chemistry;

D O I：

10.1016/S1352-2310(00)00472-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The water-soluble fraction of an aerosol determine its chemical and physical properties and also its behaviour. The origin of the aerosol and its atmospheric transport influence ifs solubility. Cloud process simulations have been conducted on both Saharan and anthropogenic aerosols. The rate of solubilisation was followed for native and processed aerosol particles; it is controlled by the pH variations due to release of acids or bases. It appears that one condensation/evaporation cycle increases the solubility of aerosol particles. Increasing the number of cloud process simulations does not affect the solubility profile. The solubility depends only on the conditions of the last cloud cycle and, in particular, on the factor controlling pH during this process. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：3529 / 3537

页数：9

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