Aerosol formation and climate, Part I


	Aerosol formation and climate, Part I
kmcolo
4-13-2009 5:12 PM
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tags:
climate, climate change, aerosol
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/c6f8af7a-33fe-46c9-a4e4-1466d2262072/63E56B57-1341-48EE-BD13-FB0AC54AE26F/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr" href="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr" style="font-size: 11px;">www.realclimate.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr">The impacts of aerosols on climate are significant, but also very uncertain. There are several reasons for this, one of which is the uncertainty in how and how fast they are formed in the atmosphere by nucleation.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr"><STRONG>Background</STRONG></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr"><STRONG>Climate effects of aerosols</STRONG></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr">Aerosol particles can influence climate in several ways:</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr">The mass of a freshly nucleated aerosol particle is more than 100,000 times smaller than that of an ‘aged’ aerosol of a size optimal to affect climate.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr"><STRONG>Aerosol formation</STRONG></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr"><P><STRONG>Aerosol growth</STRONG></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.realclimate.org/img/FB51B845-7AD6-4BA9-A3BB-8373D9902F1F" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr"><STRONG>Measurements</STRONG></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr">New particle formation has been observed all over the globe, from the Poles to the Tropics</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr">Of these locations, only nucleation in the free troposphere and in the vicinity of clouds seems to agree with theoretical predictions. In most other cases the number of aerosol particles produced is under-predicted.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.realclimate.org/img/F633BF71-4E6F-4463-8B54-7B876A76646B" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.realclimate.org/index.php/archives/2009/04/aerosol-formation-and-climate-part-i/langswitch_lang/fr">The dominant role of sulfuric acid has remained a steady conclusion over the years, whereas the potential roles of organic compounds and ions are still hotly debated. </blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/63E56B57-1341-48EE-BD13-FB0AC54AE26F/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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