NDLI: Increased atmospheric carbon dioxide and climate feedback mechanisms

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Increased atmospheric carbon dioxide and climate feedback mechanisms

Content Provider	NASA Technical Reports Server (NTRS)
Author	Cess, R. D.
Copyright Year	1982
Description	As a consequence of fossil fuel burning, the atmospheric concentration of carbon dioxide has increased from 314 ppm in 1958, when detailed measurements of this quantity began, to a present value of 335 ppm; and it is estimated that during the next century, the CO2 concentration will double relative to its assumed preindustrial value of 290 ppm. Since CO2 is an infrared-active gas, increases in its atmospheric concentration would lead to a larger infrared opacity for the atmospheric which, by normal logic, would result in a warmer Earth. A number of modeling endeavors suggest a 2 to 4 C increase in global mean surface temperature with doubling of the CO2 concentration. But such estimates of CO2-induced warming are highly uncertain because of a lack of knowledge of climate feedback mechanisms. Interactive influences upon the solar and infrared opacities of the Earth-atmosphere system can either amplify or damp a climate-forcing mechanism such as increasing CO2. Climate feedback mechanisms discussed include climate sensitivity, cloudiness-radiation feedback, climate change predictions, and interactive atmospheric chemistry.
File Size	784207
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19820025446
Archival Resource Key	ark:/13960/t5dc2vm58
Language	English
Publisher Date	1982-08-01
Access Restriction	Open
Subject Keyword	Space Radiation Planetary Temperature Climate Change Cloud Cover Climate Atmospheric Composition Earth Radiation Budget Experiment Atmospheric Chemistry Temperature Effects Carbon Dioxide Concentration Long Term Effects Solar Radiation Earth Surface Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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