In Part One we took a look at what data was available for “back radiation”, better known as Downward Longwave Radiation, or DLR. And we saw that around many locations the typical DLR was in the order of 300 W/m2, and it didn’t decrease very much at night. In Part Two we looked at several measured spectra [...]
Archive for July, 2010
The Amazing Case of “Back Radiation” – Part Three
Posted in Basic Science, Debunking Flawed "Science" on July 31, 2010 | 429 Comments »
Do Trenberth and Kiehl understand the First Law of Thermodynamics?
Posted in Basic Science, Debunking Flawed "Science" on July 26, 2010 | 218 Comments »
Do Trenberth and Kiehl understand the First Law of Thermodynamics? Yes But many people claim that they don’t after reviewing their well-known diagram from their 1997 paper, Earth’s Annual Global Mean Energy Budget: The “problem” is – how can the absorbed solar energy be 235W/m2 when the radiation from the surface is 390W/m2? Where is [...]
The Sun and Max Planck Agree – Part Two
Posted in Basic Science on July 25, 2010 | 27 Comments »
I didn’t think that a Part Two would be needed after the initial installment - The Sun and Max Planck Agree Anyway, I always appreciate commenters explaining why the article hasn’t done its job, and so following various comments, hopefully, this article can address the deficiencies of the first. I recommend reading the First Article before diving [...]
The Amazing Case of “Back Radiation” – Part Two
Posted in Measurement on July 24, 2010 | 77 Comments »
In Part One we took a look at what data was available for “back radiation”, better known as Downward Longwave Radiation, or DLR. The fact that the data is expensive to obtain doesn’t mean that there is any doubt that downward longwave radiation exists and is significant. It’s no more in question than the salinity [...]
The Amazing Case of “Back-Radiation”
Posted in Measurement on July 17, 2010 | 293 Comments »
This could have been included in the Earth’s Energy Budget series, but it deserved a post of its own. First of all, what is “back-radiation” ? It’s the radiation emitted by the atmosphere which is incident on the earth’s surface. It is also more correctly known as downward longwave radiation – or DLR What’s amazing about [...]
The Earth’s Energy Budget – Part Four – Albedo
Posted in Measurement on July 4, 2010 | 77 Comments »
This article follows: Part One – which explained a few basics in energy received and absorbed, and gave a few useful “numbers” to remember Part Two – which explained energy balance a little more Part Three – which explained how the earth radiated away energy and how more “greenhouse” gases might change that What is [...]
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