New estimates of radiative forcing due to well mixed greenhouse gases

被引：553

作者：

Myhre, G

Highwood, EJ

Shine, KP

Stordal, F

机构：

[1] Univ Oslo, Dept Geophys, N-0315 Oslo, Norway

[2] Univ Reading, Dept Meteorol, Reading RG6 2AH, Berks, England

来源：

GEOPHYSICAL RESEARCH LETTERS | 1998年 / 25卷 / 14期

关键词：

Greenhouse gas; Radiative forcing;

D O I：

10.1029/98GL01908

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We have performed new calculations of the radiative forcing due to changes in the concentrations of the most important well mixed greenhouse gases (WMGG) since pre-industrial time. Three radiative transfer models are used. The radiative forcing due to CO2, including shortwave absorption, is 15% lower than the previous IPCC estimate. The radiative forcing due to all the WMGG is calculated to 2.25 Wm(-2), which we estimate to be accurate to within about 5%. The importance of the CFCs is increased by about. 20% relative to the total effect of all WMGCT compared to previous estimates. We present updates to simple forcing concentration relationships previously used by IPCC.

引用

页码：2715 / 2718

页数：4

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