Estimation of the direct radiative forcing due to sulfate and soot aerosols

被引：124
|
作者：
Myhre, G [1 ]
Stordal, F
Restad, K
Isaksen, ISA
机构：
[1] Univ Oslo, Dept Geophys, N-0316 Oslo, Norway
[2] Norwegian Inst Air Res, NILU, Tromso, Norway
来源：
TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY | 1998年 / 50卷 / 05期
关键词：
D O I：
10.1034/j.1600-0889.1998.t01-4-00005.x
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
The direct radiative forcings due to tropospheric sulfate and fossil fuel soot aerosols are calculated. The change in the atmospheric sulfate since preindustrial time is taken from a recent three-dimensional chemistry transport model calculation. A multistream radiative transfer code and observed atmospheric input data is used. The direct radiative forcing due to sulfate is calculated to -0.32 W/m(2). Our results for global and annual mean radiative forcing have been compared with results from other model studies. We have assumed a linear relationship between the concentration of fossil fuel soot and sulfate aerosols. The resulting radiative forcing due to soot particles is 0.16 W/m(2). Two types of mixtures of sulfate and soot are further assumed. The calculated single scattering albedo is compared to observations.
引用
收藏
页码：463 / 477
页数：15
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