Estimation of the aerosol perturbation to the Earth's radiative budget over oceans using POLDER satellite aerosol retrievals

被引：66

作者：

Boucher, O ^{[1
]}

Tanré, D ^{[1
]}

机构：

[1] Univ Sci & Tech Lille Flandres Artois, Opt Atmospher Lab, F-59655 Villeneuve Dascq, France

来源：

GEOPHYSICAL RESEARCH LETTERS | 2000年 / 27卷 / 08期

关键词：

Algorithms - Atmospheric radiation - Computer simulation - Geodetic satellites - Light reflection - Refractive index - Wind stress;

D O I：

10.1029/1999GL010963

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

POLDER satellite retrievals of aerosol properties over oceans are used to estimate a global-mean clear-sky aerosol shortwave flux perturbation of order -5 to -6 Wm(-2). Uncertainties due to aerosol absorption and POLDER cloud screening algorithm are quantified. In order to bound the radiative forcing by anthropogenic aerosols, we attempt to remove the contribution of background aerosols from these estimates and present all-sky aerosol radiative effects for three regions and two methods. The results are sensitive to the thresholds used to define the background conditions.

引用

页码：1103 / 1106

页数：4

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