A fast method for updating global fossil fuel carbon dioxide emissions

被引：26

作者：

Myhre, G. ^{[1
]}

Alterskjaer, K. ^{[1
]}

Lowe, D. ^{[2
]}

机构：

[1] CICERO, Oslo, Norway

[2] Natl Inst Water & Atmospher Res, Wellington, New Zealand

来源：

ENVIRONMENTAL RESEARCH LETTERS | 2009年 / 4卷 / 03期

关键词：

fossil fuel CO2 emissions; IPCC scenarios; ATMOSPHERIC CO2 GROWTH; CLIMATE;

D O I：

10.1088/1748-9326/4/3/034012

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

We provide a fast and efficient method for calculating global annual mean carbon dioxide emissions from the combustion of fossil fuels by combining data from an established data set with BP annual statistics. Using this method it is possible to retrieve an updated estimate of global CO2 emissions six months after the actual emissions occurred. Using this data set we find that atmospheric carbon dioxide emissions have increased by over 40% from 1990 to 2008 with an annual average increase of 3.7% over the five-year period 2003-2007. In 2008 the growth rate in the fossil fuel carbon dioxide emissions was smaller than in the preceding five years, but it was still over 2%. Global mean carbon dioxide emissions in 2008 were 8.8 GtC yr(-1). For the latter part of the last century emissions of carbon dioxide have been greater from oil than from coal. However during the last few years this situation has changed. The recent strong increase in fossil fuel CO2 emissions is mainly driven by an increase in emissions from coal, whereas emissions from oil and gas to a large degree follow the trend from the 1990s.

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