PARAMETERIZATION OF EPISODICAL CLOUD AND RAINOUT EVENTS IN LARGE-SCALE ATMOSPHERIC CHEMISTRY MODELS

被引：9
|
作者：
JONSON, JE
ISAKSEN, ISA
机构：
[1] Institute of Geophysics, University of Oslo, N-0315 Oslo 3, P.O. Box 1022, Blindern
来源：
ATMOSPHERIC ENVIRONMENT PART A-GENERAL TOPICS | 1992年 / 26卷 / 11期
关键词：
RAINOUT; CLOUD CHEMISTRY; SO-2; OXIDATION; PARAMETERIZATION;
D O I：
10.1016/0960-1686(92)90086-Z
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A parameterization scheme taking into account the episodical nature of rainout and incloud chemical transformation has been tested in a 2-D channel model. In the liquid phase many soluble gases are observed in concentrations never experienced in the gas phase. The effects on the trace gases SO2 and hydrogen peroxide, when they are modified by clouds and precipitation, are studied. When incloud interaction of SO2 and hydrogen peroxide is taken into consideration, calculated hydrogen peroxide profiles are brought closer to observed distributions. The effect of varying the time periods between cloud and rain events is tested. The impact on the formation and destruction of tropospheric ozone is also discussed.
引用
收藏
页码：2019 / 2029
页数：11
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