Extreme contrast in ozone losses at North, South Poles


	Extreme contrast in ozone losses at North, South Poles

invictus

12-26-2006 11:13 AM

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tags:

ozone layer, antarctica, environment, ozone loss

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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://www.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/5324a17d-6339-4cb8-b2bf-c96ca2dade8c/EBD153BA-3D4C-4F4A-868E-B6271B053759/" 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://news.yahoo.com/s/afp/20061225/ts_alt_afp/usscienceclimateozone_061225220527" href="http://news.yahoo.com/s/afp/20061225/ts_alt_afp/usscienceclimateozone_061225220527" style="font-size: 11px;">news.yahoo.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.yahoo.com/s/afp/20061225/ts_alt_afp/usscienceclimateozone_061225220527"><H1>
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Study shows extreme contrast in ozone losses at North, South Poles 
</H1></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://news.yahoo.com/s/afp/20061225/ts_alt_afp/usscienceclimateozone_061225220527"><P>
CHICAGO (AFP) - A new study shows just how dramatic the ozone loss in the Antarctic has been over the past 20 years compared to the same phenomenon in the Arctic.
</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://news.yahoo.com/s/afp/20061225/ts_alt_afp/usscienceclimateozone_061225220527"><P>
The study found "massive" and "widespread" localized ozone depletion in the heart of Antartica's ozone hole region, beginning in the late 1970s, but becoming more pronounced in the 1980s and 90s.</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://news.yahoo.com/s/afp/20061225/ts_alt_afp/usscienceclimateozone_061225220527"><P>
The US government scientists who conducted the study said that there was an almost complete absence of ozone in certain atmospheric air samples taken after 1980, compared to earlier decades. In contrast, the ozone losses in the Arctic were sporadic, and even the greatest losses did not begin to approach the regular losses in the northern hemisphere, the researchers said.</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://news.yahoo.com/s/afp/20061225/ts_alt_afp/usscienceclimateozone_061225220527"><P>
"Typically the Arctic loss is dramatically less than the Antarctic loss," said Robert Portmann, an atmospheric scientist with the National Oceanic and Atmospheric Administration in Boulder, Colorado.</P></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/EBD153BA-3D4C-4F4A-868E-B6271B053759/blog/" title="blog or email this clip"><img src="http://content8.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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