On the tradeoff of the solar and thermal infrared radiative impact of contrails

被引：75

作者：

Myhre, G

Stordal, F

机构：

[1] NILU, N-2027 Kjeller, Norway

[2] Univ Oslo, Dept Geophys, Oslo, Norway

来源：

GEOPHYSICAL RESEARCH LETTERS | 2001年 / 28卷 / 16期

关键词：

D O I：

10.1029/2001GL013193

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Global calculations of the radiative forcing due to contrails from aircraft are performed. A contrail distribution computed based on aviation fuel consumption and radiative transfer models for solar and thermal infrared radiation have been used. A substantially smaller net radiative forcing due to contrails (about 0.01 Wm(-2)) is estimated in comparison to former studies, emphasizing the strong sensitivity of this value to uncertainties in the longwave and shortwave contribution. The solar forcing is negative and the magnitude maximizes for high solar zenith angles. Altering the time for aircraft traffic has the potential for reducing the radiative forcing due to contrails, and under certain assumptions made in this paper giving a net zero forcing.

引用

页码：3119 / 3122

页数：4

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