Difference between revisions of "Greenhouse effect"

Latest revision as of 00:21, December 16, 2009

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Greenhouse gas

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-The '''"greenhouse effect"''' refers to
+#REDIRECT [[Greenhouse gas]]
-the retention of warmth at the [[Earth]]'s surface and in the [[atmosphere]]
-which results when gas molecules prevent the escape of [[infrared radiation]]
-into [[outer space]].
-These "greenhouse gas" molecules (principally [[water]], [[carbon dioxide]], and [[methane]])
-absorb and re-emit longwave [[infrared rays]] emitted from the earth's surface into the atmosphere (see [[radiational cooling]]). Sunlight falling on the surface of a planet is primarily in the visible part of the spectrum. However, the reflection of light from the surface tends to produce light of longer wavelength called infrared (IR) radiation (also known as radiant heat; IR radiation is the heat that we sense being radiated from a hot surface like a hot piece of metal). <ref>[http://csep10.phys.utk.edu/astr161/lect/venus/greenhouse.html A Runaway Greenhouse Effect?] </ref>
-[[Richard Lindzen]] wrote:
-:The main absorbers of infrared in the atmosphere are water vapor and clouds. Even if all other greenhouse gases (such as carbon dioxide and methane) were to disappear, we would still be left with over 98 percent of the current greenhouse effect. [http://www.cato.org/pubs/regulation/regv15n2/reg15n2g.html]
-This insulating effect has been compared to a blanket or to the glass walls and roof of a [[greenhouse]], but the process is not the same.
-==See also==
-*[[Runaway greenhouse effect]]
-==Bibliography==
-<references/>
-Wile, Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000.
-[[Category:Ecology]]

Difference between revisions of "Greenhouse effect"

Latest revision as of 00:21, December 16, 2009

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