Three Gorges Dam shrinks Yangtze delta


	Three Gorges Dam shrinks Yangtze delta

kmcolo

5-17-2007 12:07 PM

761 views

tags:

china, environment

kmcolo says:

With potential negative impacts on humans to come.

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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/68c97ef1-e2e1-43d9-8f01-e564919db03a/EA547E3C-7069-4490-83FF-020B234666D4/" 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.eurekalert.org/pub_releases/2007-05/agu-ajh051607.php" href="http://www.eurekalert.org/pub_releases/2007-05/agu-ajh051607.php" style="font-size: 11px;">www.eurekalert.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.eurekalert.org/pub_releases/2007-05/agu-ajh051607.php">River damming can damage downstream environments by retaining sediments and nutrients. Yang et al. quantify how China's Three Gorges Dam, the world's largest dam, influences downstream sediment delivery in the Yangtze River.</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.eurekalert.org/pub_releases/2007-05/agu-ajh051607.php">The Three Gorges Dam, which has regulated the waters of the Yangtze River since 2003, retains two-thirds of the upstream sediment each year, they find.</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.eurekalert.org/pub_releases/2007-05/agu-ajh051607.php">the Yangtze River mouth has decreased by 31 percent per year, the Yangtze delta is shrinking. Continued sediment retention at these rates, combined with more dams planned for the watershed, will severely affect the humans and ecosystems that reside on the Yangtze delta, the authors suggest.</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/EA547E3C-7069-4490-83FF-020B234666D4/blog/" title="blog or email this clip"><img src="http://content6.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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