Supercooled cirrus cloud formation modified by nitric acid pollution of the upper troposphere

被引：40

作者：

Laaksonen, A ^{[1
]}

Hienola, J ^{[1
]}

Kulmala, M ^{[1
]}

Arnold, F ^{[1
]}

机构：

[1] MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANY

来源：

GEOPHYSICAL RESEARCH LETTERS | 1997年 / 24卷 / 23期

关键词：

D O I：

10.1029/97GL02996

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We have investigated nitric acid induced cirrus cloud formation in the upper troposphere. Our theoretical model investigations were made in the light of recent upper tropospheric gaseous nitric acid observations which show higher than expected nitric acid abundances. Our investigations indicate markedly increased cloud condensation nuclei number densities due to nitric acid induced aerosol activation. Our findings suggest that nitric acid may substantially modify supercooled cirrus cloud formation at temperatures above -40 degrees C and thereby influence climate.

引用

页码：3009 / 3012

页数：4

共 20 条

[1] Observation of upper tropospheric sulfur dioxide- and acetone-pollution: Potential implications for hydroxyl radical and aerosol formation [J].