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・ Airborne Airpark
・ Airborne and Antigas Defence League
・ Airborne Athletics
・ Airborne Avenger
・ Airborne Bells/Is Suicide a Solution?
・ Airborne Climax
・ Airborne collision avoidance system
・ Airborne Corps (Soviet Union)
・ Airborne disease
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・ Airborne Edge
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・ Airborne forces of Australia
Airborne fraction
・ Airborne Fun
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・ Airborne gun
・ Airborne interception radar
・ Airborne Launch Assist Space Access
・ Airborne Launch Control Center
・ Airborne Launch Control System
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・ Airborne lifeboat
・ Airborne Maintenance & Engineering Services
・ Airborne March
・ Airborne Mine Countermeasures Weapon Systems Training School
・ Airborne Museum
・ Airborne Museum 'Hartenstein'


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Airborne fraction : ウィキペディア英語版
Airborne fraction
The airborne fraction is a scaling factor defined as the ratio of the annual increase in atmospheric to the emissions from anthropogenic sources.〔Forster, P, V Ramaswamy, P Artaxo, ''et al.'' (2007) Changes in Atmospheric Constituents and in Radiative Forcing. In: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate
Change (S. ''et al.'' (eds.) ). Cambridge University Press, Cambridge, UK & New York, USA.()〕 It represents the proportion of human emitted that remains in the atmosphere. The fraction averages about 45%, meaning that approximately half the human-emitted is absorbed by ocean and land surfaces. There is some evidence for a recent increase in airborne fraction, which would imply a faster increase in atmospheric for a given rate of human fossil-fuel burning. However, other sources suggest that the "fraction of carbon dioxide has not increased either during the past 150 years or during the most recent five decades".
Changes in carbon sinks can affect the airborne fraction.
== References ==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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