Difference between revisions of "Cloud cover"
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(the effects of clouds in reflecting light and in enhancing the greenhouse effect are roughly in balance) |
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[[Richard Lindzen]] wrote: | [[Richard Lindzen]] wrote: | ||
:Cloud cover in [[climate model|model]]s is poorly treated and inaccurately predicted. Yet clouds reflect about seventy-five watts per square meter. Given that a doubling of [[carbon dioxide]] would change the [[surface heat flux]] by only two watts per square meter, it is evident that a small change in cloud cover can strongly affect the response to carbon dioxide. ... the effects of clouds in reflecting light and in enhancing the [[greenhouse effect]] are roughly in balance. [http://www.cato.org/pubs/regulation/regv15n2/reg15n2g.html] | :Cloud cover in [[climate model|model]]s is poorly treated and inaccurately predicted. Yet clouds reflect about seventy-five watts per square meter. Given that a doubling of [[carbon dioxide]] would change the [[surface heat flux]] by only two watts per square meter, it is evident that a small change in cloud cover can strongly affect the response to carbon dioxide. ... the effects of clouds in reflecting light and in enhancing the [[greenhouse effect]] are roughly in balance. [http://www.cato.org/pubs/regulation/regv15n2/reg15n2g.html] | ||
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Revision as of 23:22, May 15, 2007
Cloud cover is a sorely neglected factor in debates over global warming.
Richard Lindzen wrote:
- Cloud cover in models is poorly treated and inaccurately predicted. Yet clouds reflect about seventy-five watts per square meter. Given that a doubling of carbon dioxide would change the surface heat flux by only two watts per square meter, it is evident that a small change in cloud cover can strongly affect the response to carbon dioxide. ... the effects of clouds in reflecting light and in enhancing the greenhouse effect are roughly in balance. [1]