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DOI: 10.1016/j.gloplacha.2017.02.009
Title:
Scrutinizing the carbon cycle and CO2 residence time in the atmosphere
Author: Harde H.
Source Publication: Global and Planetary Change
ISSN: 0921-8181
Indexed By: SCI-E ; EI
Publishing Year: 2017
Volume: 152
pages begin: 19
pages end: 26
Language: 英语
Keyword: Anthropogenic emissions ; Atmospheric CO2 concentration ; Carbon cycle ; Climate change ; CO2 residence time ; Fossil fuel combustion ; Land use change
Scopus Keyword: Air pollution ; Atmospheric composition ; Climate change ; Combustion ; Fossil fuels ; Fuels ; Global warming ; Greenhouse effect ; Land use ; Anthropogenic emissions ; Atmospheric CO ; Carbon cycles ; Fossil fuel combustion ; Land-use change ; Residence time ; Carbon dioxide
Subject in Chinese: 大气科学 ; ; 排放物 ; 吸收 ; 二氧化碳 ; 吸附作用
Subject: ATMOSPHERE ; CARBON ; EMISSIONS ; ABSORPTION ; CARBON DIOXIDE
English Abstract: Climate scientists presume that the carbon cycle has come out of balance due to the increasing anthropogenic emissions from fossil fuel combustion and land use change. This is made responsible for the rapidly increasing atmospheric CO2 concentrations over recent years, and it is estimated that the removal of the additional emissions from the atmosphere will take a few hundred thousand years. Since this goes along with an increasing greenhouse effect and a further global warming, a better understanding of the carbon cycle is of great importance for all future climate change predictions. We have critically scrutinized this cycle and present an alternative concept, for which the uptake of CO2 by natural sinks scales proportional with the CO2 concentration. In addition, we consider temperature dependent natural emission and absorption rates, by which the paleoclimatic CO2 variations and the actual CO2 growth rate can well be explained. The anthropogenic contribution to the actual CO2 concentration is found to be 4.3%, its fraction to the CO2 increase over the Industrial Era is 15% and the average residence time 4 years. © 2017 Elsevier B.V.
Related Link: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85014504182&doi=10.1016%2fj.gloplacha.2017.02.009&partnerID=40&md5=f9e4dcd2670e1713acaca062744a626b
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被引频次[WOS]:5   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/11744
Appears in Collections:全球变化的国际研究计划
气候变化与战略

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Affiliation: Helmut-Schmidt-University Hamburg, Experimental Physics and Materials Science, Holstenhofweg 85, Hamburg, Germany

Recommended Citation:
Harde H.. Scrutinizing the carbon cycle and CO2 residence time in the atmosphere[J]. Global and Planetary Change,2017-01-01,152.
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