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Author Topic: Anti-greenhouse limit?  (Read 4253 times)

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Offline Charlie Beeler

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Re: Anti-greenhouse limit?
« Reply #15 on: March 25, 2011, 07:34:07 AM »
Quote from: Tarran on March 24, 2011, 04:12:09 PM
But they have the same effect, no? Then in gameplay terms they are the same. Atmospheric pressure factor, Greenhouse factor, etc are 100% the same. No difference whatsoever as far as I can tell. Try it yourself, no difference. Carbon Dioxide has the same effect gameplay wise as Safe Greenhouse Gases.

Actually no they don't.  I can't find the topic where Steve talks about the calculations he's using, but the gas boiling point is a factor in the albedo calculations which in turn is a factor in calculating temperature.  CO2 has a higher impact on albedo than SGG.  From the stand point of only the atmospheric pressure impact on temperature you are correct.  CO2 and SGG are the only non-toxic greenhouse gasses,  greenhouse gasses have temp pressure modifier of 10X.
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Offline Mel Vixen

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Re: Anti-greenhouse limit?
« Reply #16 on: March 26, 2011, 02:12:46 AM »
Its in the Wiki. If the Temperature is below the Boiling Point of a gas it does not affect the Greenhousefactor.
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Offline Tarran

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Re: Anti-greenhouse limit?
« Reply #17 on: March 26, 2011, 02:27:09 AM »
Quote from: Heph on March 26, 2011, 02:12:46 AM
Its in the Wiki. If the Temperature is below the Boiling Point of a gas it does not affect the Greenhousefactor.
Really? Because I just put .1 Atms of Carbon Dioxide on Pluto and I got 1.11 GH factor despite it being 40K degrees and it increased the temperature to 44.4K degrees. Same with SGG.
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Offline Mel Vixen

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Re: Anti-greenhouse limit?
« Reply #18 on: March 26, 2011, 02:38:23 AM »
Err thats because your Athmospheric preasure has increased. And i think i misworded my previous post it could have been GHP instead of GHF.

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Offline Tarran

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Re: Anti-greenhouse limit?
« Reply #19 on: March 26, 2011, 03:19:41 AM »
Quote from: Heph on March 26, 2011, 02:38:23 AM
Err thats because your Athmospheric preasure has increased.
Not really. The atmospheric pressure only added .01 GH factor. The greenhouse gas added the .1. Thus the 1.11 GH Factor.

Quote from: Heph on March 26, 2011, 02:38:23 AM
And i think i misworded my previous post it could have been GHP instead of GHF.
Doesn't matter. GHP increased by .1 anyway.

As far as I can tell, adding .1 ATMs Carbon Dioxide or SGG had the same effect on Pluto as on Mercury. 1.11 GH Factor, 0.1 GHP, an increase in ground temperature of 11%.
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Offline Ziusudra

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Re: Anti-greenhouse limit?
« Reply #20 on: March 26, 2011, 12:35:52 PM »
Quote from: Heph on March 26, 2011, 02:12:46 AM
Its in the Wiki. If the Temperature is below the Boiling Point of a gas it does not affect the Greenhousefactor.
What wiki? Not AuroraWiki, a search for "boiling" found nothing.

If that were true Titan would have the same surface and base temperatures, as it should.
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