Satellite Measurements Help Reveal Ozone Damage to Important Crops

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	Satellite Measurements Help Reveal Ozone Damage to Important Crops

fredondo

6-1-2009 7:44 AM

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tags:

nasa, biology, pollution, america

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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/86572cee-bc47-439a-8ffc-8c9a0c8caf7d/633E11DE-568B-4F0A-9ED6-936A4EA68A19/" 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.nasa.gov/topics/earth/features/soybeans.html" href="http://www.nasa.gov/topics/earth/features/soybeans.html" style="font-size: 11px;">www.nasa.gov</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nasa.gov/topics/earth/features/soybeans.html"><SPAN class="bold">Satellite Measurements Help Reveal Ozone Damage to Important Crops</SPAN></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.nasa.gov/topics/earth/features/soybeans.html"><DIV>
The U.S. soybean crop is suffering nearly $2 billion in damage a year due to rising surface ozone concentrations harming plants and reducing the crop’s yield potential, a NASA-led study has concluded. </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.nasa.gov/topics/earth/features/soybeans.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.nasa.gov/img/ED4CF724-6039-4161-9D60-FD99C557948A" alt="A USDA study showing that the highest yield of soybeans in the U.S. is in the upper midwest." /></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.nasa.gov/topics/earth/features/soybeans.html"><DIV>
The study, presented at the American Geophysical Union Joint Assembly meeting, May 24 in Toronto, is based on five years of soybean yields, surface ozone, and satellite measurements of tropospheric ozone levels in Indiana, Illinois and Iowa. It revealed summertime ozone concentrations consistently exceeded threshold levels at which crops are negatively affected. The states, three of the biggest soybean producers in the U.S., account for a large chunk of the country’s $27 billion annual soybean crop. The study estimates damage to the soybean crop – by a yield reduction of approximately 10 percent – of at least several hundred million in some years in those states alone, and possibly more than $2 billion nationwide. </DIV></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/633E11DE-568B-4F0A-9ED6-936A4EA68A19/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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