Formation of molecular chlorine from the photolysis of ozone and aqueous sea-salt particles

被引：290

作者：

Oum, KW ^{[1
]}

Lakin, MJ ^{[1
]}

DeHaan, DO ^{[1
]}

Brauers, T ^{[1
]}

Finlayson-Pitts, BJ ^{[1
]}

机构：

[1] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA

来源：

SCIENCE | 1998年 / 279卷 / 5347期

关键词：

D O I：

10.1126/science.279.5347.74

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Halogen atoms from the reactions of sea-salt particles may play a significant role in the marine boundary layer, Reactions of sodium chloride, the major component of sea-salt particles, with nitrogen oxides generate chlorine atom precursors, However, recent studies suggest there is an additional source of chlorine in the marine troposphere, This study shows that molecular chlorine is generated from the photolysis of ozone in the presence of sea-salt particles above their deliquescence point; this process may also occur in the ocean surface layer. Given the global distribution of ozone, this process may provide a global source of chlorine.

引用

页码：74 / 77

页数：4

共 35 条

[11] TROPOSPHERIC BUDGET OF REACTIVE CHLORINE [J].