Saharan desert dust radiative effects: a study based on atmospheric modelling

被引：2
|
作者：
Santos, D. [1 ]
Costa, M. J. [1 ,2 ]
Silva, A. M. [1 ,2 ]
Salgado, R. [1 ,2 ]
Domingues, A. [1 ]
Bortoli, D. [1 ]
机构：
[1] Univ Evora, Ctr Geofis Evora, P-7000 Evora, Portugal
[2] Univ Evora, Dept Fis, P-7000 Evora, Portugal
来源：
INTERNATIONAL JOURNAL OF GLOBAL WARMING | 2011年 / 3卷 / 1-2期
关键词：
aerosol radiative effects; atmospheric modelling; global warming; radiative transfer; AEROSOL CHARACTERIZATION; PART I; SCHEME; PARAMETERIZATION; SENSITIVITY; SURFACE; LAND;
D O I：
10.1504/IJGW.2011.038372
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This work investigates the Saharan desert storms direct effect, through the assessment of regional-scale Desert Dust (DD) aerosol Radiative Forcing (RF). Simulated parameters, obtained from atmospheric modelling, are used. The effect over different surfaces on the dust RF is analysed and the stratospheric ozone is considered. In the presence of DD aerosols, a shortwave cooling and a longwave warming effects are found both at the top of the atmosphere and at the surface. The underlying surface seems to interfere in the aerosol RF and the total ozone column changes have small impact on the dust RF at the surface.
引用
收藏
页码：88 / 102
页数：15
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