<?xml version="1.0" encoding="UTF-8" standalone="yes"?><oembed><version><![CDATA[1.0]]></version><provider_name><![CDATA[Real Science]]></provider_name><provider_url><![CDATA[https://stevengoddard.wordpress.com]]></provider_url><author_name><![CDATA[stevengoddard]]></author_name><author_url><![CDATA[https://stevengoddard.wordpress.com/author/stevengoddard/]]></author_url><title><![CDATA[JPL Acknowledges That The Basis Of Hansen&#8217;s Sea Level Numbers Is&nbsp;Wrong]]></title><type><![CDATA[link]]></type><html><![CDATA[<p><a href="https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png"><img loading="lazy" data-attachment-id="4078" data-permalink="https://stevengoddard.wordpress.com/2010/10/10/jpl-acknowledges-that-hansens-sea-level-numbers-are-wrong/800px-antarctic_surface_temperature/" data-orig-file="https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png" data-orig-size="800,448" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}" data-image-title="800px-antarctic_surface_temperature" data-image-description="" data-medium-file="https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png?w=300" data-large-file="https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png?w=800" class="alignnone size-full wp-image-4078" title="800px-antarctic_surface_temperature" src="https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png?w=640&#038;h=358" alt="" width="640" height="358" srcset="https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png?w=640&amp;h=358 640w, https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png?w=150&amp;h=84 150w, https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png?w=300&amp;h=168 300w, https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png?w=768&amp;h=430 768w, https://stevengoddard.files.wordpress.com/2010/10/800px-antarctic_surface_temperature.png 800w" sizes="(max-width: 640px) 100vw, 640px" /></a></p>
<p><a href="http://en.wikipedia.org/wiki/File:Antarctic_surface_temperature.png">Antarctic temperatures are far below freezing all year</a>.</p>
<p>During June, I <a href="http://wattsupwiththat.com/2010/06/29/amazing-grace/">explained on WUWT</a> that the University of Texas GRACE interpretations were wrong due to glacial rebound (isostasy.) Later in the summer they <a href="http://ecocentric.blogs.time.com/2010/09/09/climate-change-a-slowdown-on-polar-melt/">acknowledged that my explanation was correct</a>.</p>
<p><!--more--></p>
<p style="padding-left:30px;"><em>a new study published in the September issue of Nature Geoscience suggests that the true melt rate might be much slower than that. (Access a PDF of the study <a rel="attachment wp-att-1858" href="https://stevengoddard.wordpress.com/2010/09/20/global-climate-disruption-brings-early-snow-to-russia/1855-revision-2/">here</a>.) A joint team of American and Dutch scientists took another look at the GRACE data and found that <strong>Greenland and West Antarctica may be melting  just half as fast the earlier studies estimated</strong>. As researcher Bert Vermeersen, a professor at Delft University of Technology in the Netherlands,<a title="AFP" href="http://www.google.com/hostednews/afp/article/ALeqM5iFYPF7wJrj-K5GTv1-oZsHhqrzIg" target="_blank"> told the AFP</a>, the earlier estimates<strong> failed to account for glacial isostatic adjustment—the rebounding of the Earth&#8217;s crust after the end of the last Ice Age</strong>:</em></p>
<p>Hansen&#8217;s <a href="http://www.grist.org/article/yet-another-must-read-by-james-hansen/">&#8220;non-linear&#8221; theory</a> was ridiculous to begin with, and was undermined by the JPL study.</p>
<p style="padding-left:30px;"><em>Under BAU [business as usual] forcing in the 21st century, the sea level rise surely will be dominated by a third term: (3) ice sheet disintegration. This third term was small until the past few years,<strong> but it is has at least doubled in the past decade and is now close to 1 mm/year, based on the gravity satellite measurements discussed above.</strong> As a quantitative example, let us say that the ice sheet contribution is 1 cm for the decade 2005–15 and that it <strong>doubles each decade until the West Antarctic ice sheet is largely depleted</strong>. That time constant yields a sea level rise of the order of 5 m this century.</em></p>
<p>His doubling has been halved. That means ice loss rates have not changed, which was obvious from sea level data. Temperatures in Antarctica are cold and getting colder.</p>
<p>How does this crap get through peer review? Ice doesn&#8217;t melt in summer temperatures of -10C, and Antarctica is getting colder.</p>
<p><a href="https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png"><img loading="lazy" data-attachment-id="4079" data-permalink="https://stevengoddard.wordpress.com/2010/10/10/jpl-acknowledges-that-hansens-sea-level-numbers-are-wrong/uah_antarctica_temperature_anomalies-2/" data-orig-file="https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png" data-orig-size="819,320" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}" data-image-title="uah_antarctica_temperature_anomalies" data-image-description="" data-medium-file="https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png?w=300" data-large-file="https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png?w=819" class="alignnone size-full wp-image-4079" title="uah_antarctica_temperature_anomalies" src="https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png?w=640&#038;h=250" alt="" width="640" height="250" srcset="https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png?w=640&amp;h=250 640w, https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png?w=150&amp;h=59 150w, https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png?w=300&amp;h=117 300w, https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png?w=768&amp;h=300 768w, https://stevengoddard.files.wordpress.com/2010/10/uah_antarctica_temperature_anomalies1.png 819w" sizes="(max-width: 640px) 100vw, 640px" /></a></p>
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