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Politics : Formerly About Advanced Micro Devices

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longz

To: Wharf Rat who wrote (1442542)	2/27/2024 6:38:15 PM
From: maceng2	1 Recommendation Read Replies (1) of 1571223

I can see the difference. Your guy puts in a figure for the Albedo (0.3), but my guy made an assumption of an albedo of 1. i.e perfect black body. He was looking at the calculation from an elementary point of view. Naturally he comes up with a different and higher temperature. Fact is your guys value for Albedo is disputed by Zoe.. Shrinking the Atmospheric Greenhouse Effect closer to reality – Zoe's Insights (phzoe.com) The math is mostly fine (Earth is not a perfect Sphere), but the real problem is the choice of 0.31 albedo. Most of the albedo comes from the atmosphere itself! And also this albedo value is only useful in observing Earth from space. ~30% of incoming shortwave solar radiation is indeed reflected from the Earth onto an observing satellite. But this is NOT a metric for figuring out how much solar radiation reaches the surface, which is what is in question. And so this entire calculation is utterly superficial and meaningless. If you read all Zoe Phinns links he she explains clearly why the established view on GHG's is wrong.

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