Key ocean mission goes into orbit


	Key ocean mission goes into orbit

tabsey

6-22-2008 6:04 AM

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tags:

oceans, rise, for, air

1 Comment |

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6-22-2008 11:35 AM

papananook

Good science!

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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/0b2760e8-ff82-4d55-a6ac-10ecbdf1e471/73B74007-8167-43E8-A468-6578B0E660F1/" 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.bbc.co.uk/2/hi/science/nature/7457818.stm" href="http://news.bbc.co.uk/2/hi/science/nature/7457818.stm" style="font-size: 11px;">news.bbc.co.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7457818.stm"><B>A space mission that will be critical to our understanding of climate change has launched from California.</B></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.bbc.co.uk/2/hi/science/nature/7457818.stm"><P>
The Jason-2 satellite will become the primary means of measuring the shape of the world's oceans, taking readings with an accuracy of better than 4cm.
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Its data will track not only sea level rise but reveal how the great mass of waters are moving around the globe.
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This information will be fundamental in helping weather and climate agencies make better forecasts.
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Jason-2 will provide a topographic map of 95% of the Earth's ice-free oceans every 10 days.  Although we think of our seas as being flat, they are actually marked by "hills" and "valleys", where the highs and lows may be as much as two metres apart.
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<P class="caption">How Jason-2 will probe the oceans</p> </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://news.bbc.co.uk/2/hi/science/nature/7457818.stm"><P>Elevation is a key parameter for oceanographers.  Just as surface air pressure reveals what the atmosphere is doing above, so ocean height will betray details about the behaviour of water down below.
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