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Archive for December, 2010

I write this article as a placeholder to send people to – and as a request for information. On another blog, there was a confused article posted about the earth’s energy balance. Within the article was this statement: Earth is a grey body, because it has volume, a black body does not have volume, simply [...]

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A long time ago I wrote the article The Dull Case of Emissivity and Average Temperatures and expected that would be the end of the interest in emissivity. But it is a gift that keeps on giving, with various people concerned that no one has really been interested in measuring surface emissivity properly. Background All solid and [...]

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This first part considers some elementary points. In the next part we will consider more advanced aspects of this subject. Since 1978 we have had satellites continuously measuring: incoming solar radiation reflected solar radiation outgoing terrestrial radiation To see how we can differentiate the solar and terrestrial radiation, take a look at The Sun and Max [...]

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Azimuth

I recently came across Azimuth – a fascinating blog by John Baez. What prompted me to actually get around to writing a brief article was the latest article - This Week’s Finds (Week 307) –  about El Nino and its uncertain causes and comes with great graphics and interesting explanations. A brief extract: I finally broke [...]

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With apologies to my many readers who understand the basics of heat transfer in the atmosphere and really want to hear more about feedback, uncertainty, real science.. Clearing up basic misconceptions is also necessary. It turns out that many people read this blog and comment on it elsewhere and a common claim about climate science [...]

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In Part One we looked at the absorption of solar and atmospheric radiation (aka “back radiation”) in the ocean. About half of the solar energy is absorbed in the first meter, but most of the DLR (downward longwave radiation), or “back radiation”, from the atmosphere is absorbed in the first few microns of the ocean surface. [...]

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I’m in the process of writing a couple more in-depth articles but have been much distracted by “First Life” in recent weeks.. sad and unfortunate, because writing Science of Doom articles is much more interesting.. While writing a new article – What’s the Palaver? – Kiehl and Trenberth 1997 -  I thought that I should separately [...]

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