Icebergs – Oases Of The Ocean


	Icebergs – Oases Of The Ocean

amgumen

4-27-2008 8:26 PM

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tags:

iceberg, climate

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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/000de758-0153-48a3-bafe-1862532258dd/B4B76F5C-A7C4-46B9-A309-8E7EAF2168C6/" 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.scienceagogo.com/news/20070521231328data_trunc_sys.shtml" href="http://www.scienceagogo.com/news/20070521231328data_trunc_sys.shtml" style="font-size: 11px;">www.scienceagogo.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.scienceagogo.com/news/20070521231328data_trunc_sys.shtml"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.scienceagogo.com/img/B203E1CC-10AA-4260-989F-1D75F8368A2D" 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.scienceagogo.com/news/20070521231328data_trunc_sys.shtml"><FONT size="2" face="Verdana,Arial,Helvetica,sans-serif"> The study reveals that icebergs hold trapped terrestrial material, which is released as they melt. The researchers discovered that this process produces a halo effect, with significantly increased phytoplankton, krill and seabirds out to a radius of more than two miles around the icebergs. </FONT></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.scienceagogo.com/news/20070521231328data_trunc_sys.shtml">One important consequence of the increased biological productivity is that free-floating icebergs can serve as a route for carbon dioxide drawdown and sequestration of particulate carbon as it sinks into the deep sea</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.scienceagogo.com/news/20070521231328data_trunc_sys.shtml">While the melting of Antarctic ice shelves is contributing to rising sea levels and other climate change dynamics in complex ways, this additional role of removing carbon from the atmosphere may have implications for global climate models that need to be further studied</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.scienceagogo.com/news/20070521231328data_trunc_sys.shtml">phytoplankton around the icebergs was enriched with large diatom cells</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.scienceagogo.com/news/20070521231328data_trunc_sys.shtml">As diatoms are the preferred food for krill, we expect the changes in phytoplankton community composition to favor grazing as a key biological process inv</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/B4B76F5C-A7C4-46B9-A309-8E7EAF2168C6/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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