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	<title>Comments on: The antidote to 150 million quadrillion joules</title>
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	<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/</link>
	<description>Sword of logic -- fighting stone-age brains.</description>
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		<title>By: Rca Wsp150 Main / Wireless Stereo Speaker Up To150 Feet</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-8799</link>
		<dc:creator>Rca Wsp150 Main / Wireless Stereo Speaker Up To150 Feet</dc:creator>
		<pubDate>Wed, 22 Jul 2009 10:13:13 +0000</pubDate>
		<guid isPermaLink="false">http://joannenova.com.au/?p=2695#comment-8799</guid>
		<description>[...] The antidote to 150 million quadrillion joules &#124; JoNova [...]</description>
		<content:encoded><![CDATA[<p>[...] The antidote to 150 million quadrillion joules | JoNova [...]</p>
<p>Like or Dislike: <img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="up-8799" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_up.png" alt="Thumb up" onclick="javascript:ckratingKarma('8799', 'add', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_');" title="" /> <small id="karma-8799-up" style="font-size:12px; color:#009933;">0</small>&nbsp;<img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="down-8799" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_down.png" alt="Thumb down" onclick="javascript:ckratingKarma('8799', 'subtract', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_')" title="" /> <small id="karma-8799-down" style="font-size:12px; color:#990033;">0</small></p>]]></content:encoded>
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		<title>By: Joanne Nova</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-8233</link>
		<dc:creator>Joanne Nova</dc:creator>
		<pubDate>Tue, 14 Jul 2009 10:28:06 +0000</pubDate>
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		<description>This post has been updated. Michael Hammer realized the discrepancy is not as large as he&#039;d estimated (it&#039;s still large though.) See here, http://joannenova.com.au/2009/07/14/a-climate-change-paradox-part-ii/ for the more accurate figures.</description>
		<content:encoded><![CDATA[<p>This post has been updated. Michael Hammer realized the discrepancy is not as large as he&#8217;d estimated (it&#8217;s still large though.) See here, <a href="http://joannenova.com.au/2009/07/14/a-climate-change-paradox-part-ii/" rel="nofollow">http://joannenova.com.au/2009/07/14/a-climate-change-paradox-part-ii/</a> for the more accurate figures.</p>
<p>Like or Dislike: <img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="up-8233" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_up.png" alt="Thumb up" onclick="javascript:ckratingKarma('8233', 'add', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_');" title="" /> <small id="karma-8233-up" style="font-size:12px; color:#009933;">0</small>&nbsp;<img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="down-8233" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_down.png" alt="Thumb down" onclick="javascript:ckratingKarma('8233', 'subtract', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_')" title="" /> <small id="karma-8233-down" style="font-size:12px; color:#990033;">0</small></p>]]></content:encoded>
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		<title>By: co2isnotevil</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-8212</link>
		<dc:creator>co2isnotevil</dc:creator>
		<pubDate>Tue, 14 Jul 2009 03:16:37 +0000</pubDate>
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		<description>Here&#039;s some relevant data.

http://www.palisad.com/co2/ocean.html

This shows the average daily incident energy for each 10 degree slice of latitude and for each month. It also shows the average ocean surface temperature, for the same times and spaces. All of the data is averaged from satellite data accumulated over the last 25 years. The ocean surface temperature data originates fon GISS (Hansen et all) and the solar irradiation is from the University of Colorado which is adjusted for Sun angles and the length of the day for each slice.

Notice the lag from min/max incident energy to min/max surface temperature.  Also notice the relatively large ocean temperature swings, over 10C in some latitude slices!  The ocean is responding very quickly to changes in the incident energy and not the decades that are needed to explain AGW.

George</description>
		<content:encoded><![CDATA[<p>Here&#8217;s some relevant data.</p>
<p><a href="http://www.palisad.com/co2/ocean.html" rel="nofollow">http://www.palisad.com/co2/ocean.html</a></p>
<p>This shows the average daily incident energy for each 10 degree slice of latitude and for each month. It also shows the average ocean surface temperature, for the same times and spaces. All of the data is averaged from satellite data accumulated over the last 25 years. The ocean surface temperature data originates fon GISS (Hansen et all) and the solar irradiation is from the University of Colorado which is adjusted for Sun angles and the length of the day for each slice.</p>
<p>Notice the lag from min/max incident energy to min/max surface temperature.  Also notice the relatively large ocean temperature swings, over 10C in some latitude slices!  The ocean is responding very quickly to changes in the incident energy and not the decades that are needed to explain AGW.</p>
<p>George</p>
<p>Like or Dislike: <img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="up-8212" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_up.png" alt="Thumb up" onclick="javascript:ckratingKarma('8212', 'add', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_');" title="" /> <small id="karma-8212-up" style="font-size:12px; color:#009933;">0</small>&nbsp;<img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="down-8212" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_down.png" alt="Thumb down" onclick="javascript:ckratingKarma('8212', 'subtract', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_')" title="" /> <small id="karma-8212-down" style="font-size:12px; color:#990033;">0</small></p>]]></content:encoded>
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		<title>By: Celebrity Paycut - Encouraging celebrities all over the world to save us from global warming by taking a paycut.</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-7966</link>
		<dc:creator>Celebrity Paycut - Encouraging celebrities all over the world to save us from global warming by taking a paycut.</dc:creator>
		<pubDate>Fri, 10 Jul 2009 08:11:52 +0000</pubDate>
		<guid isPermaLink="false">http://joannenova.com.au/?p=2695#comment-7966</guid>
		<description>[...] This report gives details of heat calculations which show that the heat taken in by the world&#8217;s oceans is nowhere near enough to support the theory of global warming of the IPCC. Yet another piece of evidence that doesn&#8217;t add up. [...]</description>
		<content:encoded><![CDATA[<p>[...] This report gives details of heat calculations which show that the heat taken in by the world&#8217;s oceans is nowhere near enough to support the theory of global warming of the IPCC. Yet another piece of evidence that doesn&#8217;t add up. [...]</p>
<p>Like or Dislike: <img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="up-7966" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_up.png" alt="Thumb up" onclick="javascript:ckratingKarma('7966', 'add', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_');" title="" /> <small id="karma-7966-up" style="font-size:12px; color:#009933;">0</small>&nbsp;<img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="down-7966" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_down.png" alt="Thumb down" onclick="javascript:ckratingKarma('7966', 'subtract', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_')" title="" /> <small id="karma-7966-down" style="font-size:12px; color:#990033;">0</small></p>]]></content:encoded>
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		<title>By: Lucy Skywalker</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-7962</link>
		<dc:creator>Lucy Skywalker</dc:creator>
		<pubDate>Fri, 10 Jul 2009 07:17:51 +0000</pubDate>
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		<description>Thanks Michael. I pretty well agree with you now.</description>
		<content:encoded><![CDATA[<p>Thanks Michael. I pretty well agree with you now.</p>
<p>Like or Dislike: <img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="up-7962" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_up.png" alt="Thumb up" onclick="javascript:ckratingKarma('7962', 'add', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_');" title="" /> <small id="karma-7962-up" style="font-size:12px; color:#009933;">0</small>&nbsp;<img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="down-7962" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_down.png" alt="Thumb down" onclick="javascript:ckratingKarma('7962', 'subtract', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_')" title="" /> <small id="karma-7962-down" style="font-size:12px; color:#990033;">0</small></p>]]></content:encoded>
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		<title>By: michael hammer</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-7789</link>
		<dc:creator>michael hammer</dc:creator>
		<pubDate>Wed, 08 Jul 2009 09:35:15 +0000</pubDate>
		<guid isPermaLink="false">http://joannenova.com.au/?p=2695#comment-7789</guid>
		<description>Hello Lucy;  I fully understand.  I managed to prove the logarithmic relationship for myself from first principles but it is a lengthy calculation and beyond the scope of this debate.  Lets accept for now that the relationship is in fact logarithmic as most people on both sides have accepted.  You are right by the way, for your calculations the difference although significant is not all that great and that is because you are looking at relatively small changes.  If the changes in question were larger it would matter more.

However to come to the more significant issues.  The temperature sensitivity of Earth is a measure of how much one extra watt/sqM will raise the temperature.  I used a value of 0.266C whcih I got by differentiating Stefans law for a temperature of 255K (the emission temperature for Earth claimed by the AGW believers).  I did also find a number of other values on the web used by various AGW advocates ie:  Ramanathan (1988)  0.24K, Soden and Held (2006) 0.25K, Hansen et al (1984) 0.26K, Bony et al (2006) 0.263K, Colman (2003) 0.30K, Kiehl (1992) 0.305K.  As you can see my value is quite representative of the other values.  The sensitivity 0.266 K/watt/sqM can also be exprssed in reciprocal form as 3.76 watts/sqM/K.  So if the temperature rise is 0.4K (or 0.4C) the xtra heat retained is 0.4 * 3.76 = 1.5watts/sqM. I probably expressed this badly in what I posted because I obtained the number by rationing it from the 3C rise ie: if 3C equates to 11.3 watts then 0.4C equates to 11.3 * 0.4/3. I should have expressed it simply as temperature chage times sensitivity.

There is another way to look at all this.  Since 1900 we have had 0.45 doublings of CO2.  The temperature rise attributed to this rising CO2 is 0.4C.  We are told by 2070 the CO2 level will have reached 560 ppm which is double the 1900 level.  That means there are 0.55 doublings to go and we are toldthis will give a further rise of 3C.  Hmm, the first 0.45 doublings gives 0.4C and the next 0.55 doublings gives 3C.  How is that possible?  Surely one would expect that it would only give 0.4 * 0.55/0.45 = 0.5C (simple ratio).  The explanation I have heard is that there is massive stored heat which will cause further warming even if the current CO2 level did not rise further.  In short the climate system has a long time constant.  If that were the case what would be happening is that the current CO2 level (with feedbacks)would be retaining much more heat than the temperature rise suggests and this heat would be going into slowly heating up the planet.  However the largest heat sink on the planet has to be the oceans and as the analysis shows the oceans simply do not have enough heat capacity for this exlanation to be credible.  I have now seen a report by Roger Pielke saying the same thing. There is no stored pipeline of energy.</description>
		<content:encoded><![CDATA[<p>Hello Lucy;  I fully understand.  I managed to prove the logarithmic relationship for myself from first principles but it is a lengthy calculation and beyond the scope of this debate.  Lets accept for now that the relationship is in fact logarithmic as most people on both sides have accepted.  You are right by the way, for your calculations the difference although significant is not all that great and that is because you are looking at relatively small changes.  If the changes in question were larger it would matter more.</p>
<p>However to come to the more significant issues.  The temperature sensitivity of Earth is a measure of how much one extra watt/sqM will raise the temperature.  I used a value of 0.266C whcih I got by differentiating Stefans law for a temperature of 255K (the emission temperature for Earth claimed by the AGW believers).  I did also find a number of other values on the web used by various AGW advocates ie:  Ramanathan (1988)  0.24K, Soden and Held (2006) 0.25K, Hansen et al (1984) 0.26K, Bony et al (2006) 0.263K, Colman (2003) 0.30K, Kiehl (1992) 0.305K.  As you can see my value is quite representative of the other values.  The sensitivity 0.266 K/watt/sqM can also be exprssed in reciprocal form as 3.76 watts/sqM/K.  So if the temperature rise is 0.4K (or 0.4C) the xtra heat retained is 0.4 * 3.76 = 1.5watts/sqM. I probably expressed this badly in what I posted because I obtained the number by rationing it from the 3C rise ie: if 3C equates to 11.3 watts then 0.4C equates to 11.3 * 0.4/3. I should have expressed it simply as temperature chage times sensitivity.</p>
<p>There is another way to look at all this.  Since 1900 we have had 0.45 doublings of CO2.  The temperature rise attributed to this rising CO2 is 0.4C.  We are told by 2070 the CO2 level will have reached 560 ppm which is double the 1900 level.  That means there are 0.55 doublings to go and we are toldthis will give a further rise of 3C.  Hmm, the first 0.45 doublings gives 0.4C and the next 0.55 doublings gives 3C.  How is that possible?  Surely one would expect that it would only give 0.4 * 0.55/0.45 = 0.5C (simple ratio).  The explanation I have heard is that there is massive stored heat which will cause further warming even if the current CO2 level did not rise further.  In short the climate system has a long time constant.  If that were the case what would be happening is that the current CO2 level (with feedbacks)would be retaining much more heat than the temperature rise suggests and this heat would be going into slowly heating up the planet.  However the largest heat sink on the planet has to be the oceans and as the analysis shows the oceans simply do not have enough heat capacity for this exlanation to be credible.  I have now seen a report by Roger Pielke saying the same thing. There is no stored pipeline of energy.</p>
<p>Like or Dislike: <img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="up-7789" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_up.png" alt="Thumb up" onclick="javascript:ckratingKarma('7789', 'add', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_');" title="" /> <small id="karma-7789-up" style="font-size:12px; color:#009933;">0</small>&nbsp;<img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="down-7789" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_down.png" alt="Thumb down" onclick="javascript:ckratingKarma('7789', 'subtract', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_')" title="" /> <small id="karma-7789-down" style="font-size:12px; color:#990033;">0</small></p>]]></content:encoded>
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		<title>By: Lucy Skywalker</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-7783</link>
		<dc:creator>Lucy Skywalker</dc:creator>
		<pubDate>Wed, 08 Jul 2009 08:17:08 +0000</pubDate>
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		<description>Michael you may be right, but I&#039;m not up to any more maths right now and I need it spelled out really carefully. Certainly the logarithmic link sounds right but it actually does not change the numbers that much and does not upset the basic thesis that figures do not add up! 

One query: this maths of yours &quot;11.3*.4/3 = 1.5 &quot; does not compute with me. Have I missed something?

I think we all suspect that IPCC have played fast and loose with the maths. But to nail them, we have to be very, very sure - and clear, so that others can follow the maths. Otherwise Schmidt of RC, who is a mathematician, can run rings round us. 

I might finally go back to Monckton&#039;s analysis of the IPCC maths, and might now be able to understand it and check it myself! I&#039;ve already used it &lt;a href=&quot;http://www.greenworldtrust.org.uk/Science/Curious.htm#heart&quot; rel=&quot;nofollow&quot;&gt;in my primer&lt;/a&gt;. Monckton answered every single challenge of Schmidt, and since Schmidt never deigned to respond, and the issue is crucial, I am certain that Schmidt could not respond, that Monckton was correct.</description>
		<content:encoded><![CDATA[<p>Michael you may be right, but I&#8217;m not up to any more maths right now and I need it spelled out really carefully. Certainly the logarithmic link sounds right but it actually does not change the numbers that much and does not upset the basic thesis that figures do not add up! </p>
<p>One query: this maths of yours &#8220;11.3*.4/3 = 1.5 &#8221; does not compute with me. Have I missed something?</p>
<p>I think we all suspect that IPCC have played fast and loose with the maths. But to nail them, we have to be very, very sure &#8211; and clear, so that others can follow the maths. Otherwise Schmidt of RC, who is a mathematician, can run rings round us. </p>
<p>I might finally go back to Monckton&#8217;s analysis of the IPCC maths, and might now be able to understand it and check it myself! I&#8217;ve already used it <a href="http://www.greenworldtrust.org.uk/Science/Curious.htm#heart" rel="nofollow">in my primer</a>. Monckton answered every single challenge of Schmidt, and since Schmidt never deigned to respond, and the issue is crucial, I am certain that Schmidt could not respond, that Monckton was correct.</p>
<p>Like or Dislike: <img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="up-7783" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_up.png" alt="Thumb up" onclick="javascript:ckratingKarma('7783', 'add', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_');" title="" /> <small id="karma-7783-up" style="font-size:12px; color:#009933;">0</small>&nbsp;<img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="down-7783" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_down.png" alt="Thumb down" onclick="javascript:ckratingKarma('7783', 'subtract', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_')" title="" /> <small id="karma-7783-down" style="font-size:12px; color:#990033;">0</small></p>]]></content:encoded>
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		<title>By: Tel</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-7772</link>
		<dc:creator>Tel</dc:creator>
		<pubDate>Tue, 07 Jul 2009 23:25:21 +0000</pubDate>
		<guid isPermaLink="false">http://joannenova.com.au/?p=2695#comment-7772</guid>
		<description>&lt;blockquote&gt;
Let’s go back in time in live to harmony with Nature, when typhoid, diphtheria, cholera, and plague were truly King
&lt;/blockquote&gt;

You have to keep in mind that your average city office worker is traumatized by traffic, train timetables, and by their computer and their telephone on a daily basis, but they have no experience of any major life threatening epidemic (yes I know that Swine Flu is the latest &quot;pandemic&quot; BS, but I mean a real epidemic rather than media/WHO beat-ups). Most of them don&#039;t consciously understand that they are traumatized.

Human brains are designed to react to what it hurting me now, not what once hurt great grandpa. These people are operating at an emotional level, and then back-rationalising their emotional decisions to convince themselves they have thought about it. The Al Gore&#039;s of the world know how to tap into that energy and channel it.</description>
		<content:encoded><![CDATA[<blockquote><p>
Let’s go back in time in live to harmony with Nature, when typhoid, diphtheria, cholera, and plague were truly King
</p></blockquote>
<p>You have to keep in mind that your average city office worker is traumatized by traffic, train timetables, and by their computer and their telephone on a daily basis, but they have no experience of any major life threatening epidemic (yes I know that Swine Flu is the latest &#8220;pandemic&#8221; BS, but I mean a real epidemic rather than media/WHO beat-ups). Most of them don&#8217;t consciously understand that they are traumatized.</p>
<p>Human brains are designed to react to what it hurting me now, not what once hurt great grandpa. These people are operating at an emotional level, and then back-rationalising their emotional decisions to convince themselves they have thought about it. The Al Gore&#8217;s of the world know how to tap into that energy and channel it.</p>
<p>Like or Dislike: <img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="up-7772" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_up.png" alt="Thumb up" onclick="javascript:ckratingKarma('7772', 'add', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_');" title="" /> <small id="karma-7772-up" style="font-size:12px; color:#009933;">0</small>&nbsp;<img style="padding: 0px; border: none; cursor: pointer;" onmouseover="this.width=this.width*1.3" onmouseout="this.width=this.width/1.2" id="down-7772" src="http://joannenova.com.au/wp/wp-content/plugins/comment-rating/images/1_14_down.png" alt="Thumb down" onclick="javascript:ckratingKarma('7772', 'subtract', 'joannenova.com.au/wp/wp-content/plugins/comment-rating/', '1_14_')" title="" /> <small id="karma-7772-down" style="font-size:12px; color:#990033;">0</small></p>]]></content:encoded>
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		<title>By: Tel</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-7771</link>
		<dc:creator>Tel</dc:creator>
		<pubDate>Tue, 07 Jul 2009 23:10:25 +0000</pubDate>
		<guid isPermaLink="false">http://joannenova.com.au/?p=2695#comment-7771</guid>
		<description>&lt;blockquote&gt;
Lucy there is an error in what you wrote. The relationship between co2 concentration and retained heat is logarithmic not linear.
&lt;/blockquote&gt;

I would argue that we don&#039;t know the real relationship and both the logarithmic and the linear estimates are guesswork. Some people prefer one, some prefer the other.</description>
		<content:encoded><![CDATA[<blockquote><p>
Lucy there is an error in what you wrote. The relationship between co2 concentration and retained heat is logarithmic not linear.
</p></blockquote>
<p>I would argue that we don&#8217;t know the real relationship and both the logarithmic and the linear estimates are guesswork. Some people prefer one, some prefer the other.</p>
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		<title>By: michael</title>
		<link>http://joannenova.com.au/2009/07/the-antidote-to-150-million-quadrillion-joules/comment-page-1/#comment-7769</link>
		<dc:creator>michael</dc:creator>
		<pubDate>Tue, 07 Jul 2009 22:48:26 +0000</pubDate>
		<guid isPermaLink="false">http://joannenova.com.au/?p=2695#comment-7769</guid>
		<description>Lucy there is an error in what you wrote.  The relationship between co2 concentration and retained heat is logarithmic not linear.  Thus using your numbers for the increase from 1960 to 2006 the calculations should be fractonal increase = (316+75)/316 = 1.24.  This represents log(1.24)/log(2) doublings or 0.31 doublings which would increase retained heat by 11.3*0.31 = 3.5 watts/sqM.  Now some of that retained heat is in fact re-radiated to space because of the increase in surface temperature.  If that increase is 0.4C then the additional radiation can be estimated as 11.3*.4/3 = 1.5 watts/sqM (Note that this assumes the 3C is an equilibrium rise in temperature.  In fact this is an invalid assumption becuase if we assume the earth is not in equilibrium now and CO2 keeps rising then it will also not be in equilibrium in 2070.  Under those circunstances the 11.3 is a significant under estimate since it assumes no net retained heat ut lets ignore that for now).  Using your numbers the net retained heat is 3.5 - 1.5 or 2 watts/sqM which is still far in excess of the 0.38 computed from ocean warming.</description>
		<content:encoded><![CDATA[<p>Lucy there is an error in what you wrote.  The relationship between co2 concentration and retained heat is logarithmic not linear.  Thus using your numbers for the increase from 1960 to 2006 the calculations should be fractonal increase = (316+75)/316 = 1.24.  This represents log(1.24)/log(2) doublings or 0.31 doublings which would increase retained heat by 11.3*0.31 = 3.5 watts/sqM.  Now some of that retained heat is in fact re-radiated to space because of the increase in surface temperature.  If that increase is 0.4C then the additional radiation can be estimated as 11.3*.4/3 = 1.5 watts/sqM (Note that this assumes the 3C is an equilibrium rise in temperature.  In fact this is an invalid assumption becuase if we assume the earth is not in equilibrium now and CO2 keeps rising then it will also not be in equilibrium in 2070.  Under those circunstances the 11.3 is a significant under estimate since it assumes no net retained heat ut lets ignore that for now).  Using your numbers the net retained heat is 3.5 &#8211; 1.5 or 2 watts/sqM which is still far in excess of the 0.38 computed from ocean warming.</p>
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