Western Water Supplies Already Altered by Global Warming


	Western Water Supplies Already Altered by Global Warming

wildcat

2-1-2008 6:57 AM

372 views

tags:

water supplies, climate change

wildcat says:

Currently water resources are allocated based on the idea that water flow in the future will be just like it was in the past, with some natural fluctuations. But the observations over the past 50 years and the predictions for the future now require a shift in the way water management is done.

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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/c8a73156-af85-4d55-8440-01ac5c015350/6CA32B22-1ED8-48D8-A39A-7BFB7E721BDD/" 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.livescience.com/environment/080131-western-water.html" href="http://www.livescience.com/environment/080131-western-water.html" style="font-size: 11px;">www.livescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/environment/080131-western-water.html"><P>
When it rains, it sometimes still pours out West. But it's not enough. 
</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.livescience.com/environment/080131-western-water.html"><P>
Changes in the western U.S. water supply, such as a declining snowpack and rivers running dry in the summer, can mostly be attributed to human-caused climate change, a new study finds. These changes will require a new approach to water management in the West in the future, scientists say. 
</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.livescience.com/environment/080131-western-water.html"><P>
Water supplies for much of the West come from winter snowfall that accumulates in mountainous regions and <A href="http://www.livescience.com/environment/070625_dust_snow.html">melts</A> throughout the spring and early summer, flowing into the rivers that wind throughout the western states. 
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Over the past 50 years, researchers have noted significant changes in this system of water flow, which a new study, detailed in the Feb. 1 issue of the journal <EM>Science</EM>, attributes to global warming. 
</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.livescience.com/environment/080131-western-water.html"><STRONG>Warmer and drier</STRONG></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/6CA32B22-1ED8-48D8-A39A-7BFB7E721BDD/blog/" title="blog or email this clip"><img src="http://content9.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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