quote:

So in your simplified what if, you left off strength of stellar radiation reaching said planet. How much radiation is being expelled and how far away the planet is from it's star, and what are the planetary conditions.

So for example after pumping all that " massive amounts of green house gasses, water vapor, CO2 etc.. over hundreds of years. " on Pluto the atmosphere would be identical since it would all freeze out on the surface. On Mars the polar ice caps would increase in an immeasurable way. On Mercury it would disappear into space. And on Venus, Jupiter, Saturn, Uranus, and Neptune it would be unnoticed in the vast atmospheres. An atmosphere like ours can only exist with photosynthetic life, and life changes everything.

Let's keep it simple... three duplicate planets. Same exact parameters. Same atmosphere. Same earths. Same everything. Three scenarios.. and a greatly accelerated timescale.

quote:

Will the 3 planets have the same weather patterns and ultimately climate?

Planet 0 (baseline)- Humans/life exists as it does today. Greenhouse gas emissions, total carbon released, water vapor concentration is within current levels, etc. Let's let this planet be a control in this hypothetical experiment.

Planet 1 (4x more in atmosphere)- Humans/life exists as it does today but humans have intentionally began releasing greenhouse gasses, water vapor, CO2, etc. into the atmosphere at incredible levels and over 1,000 years the amounts in the atmosphere is 4x that of Planet 0.

Planet 2 (1/4th in atmosphere)- Humans/life exists as it does today but humans have intentionally began reducing the amount of greenhouse gasses, water vapor, CO2, etc. in the atmosphere at incredible levels and over 1,000 years the amounts have shrunk to 1/4x of Planet 0 levels.

This post was edited on 3/13/17 at 5:03 pm

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Posted by Dale51

Member since Oct 2016

32378 posts

Posted on 3/13/17 at 5:10 pm to bmy

quote:
Let's keep it simple... three duplicate planets. Same exact parameters. Same atmosphere. Same earths. Same everything. Three scenarios.. and a greatly accelerated timescale.

Science!!!

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Posted by Gaspergou202

Metairie, LA

Member since Jun 2016

13509 posts

Posted on 3/13/17 at 5:54 pm to bmy

Well bmy my answer to why there is no impact on Earth's climate is best read in the last 5 paragraphs that you replied to.

But quick synopsis of the impact on Earth: man's influence on global climate is minuscule and of no significance. This is do to the fact that you are concerned with natural chemicals that naturally occur in vast amounts. Also Earth is extremely geologically active, and all of these chemicals are part of the natural geology. Finally life is teaming on and in the Earth. Most of these chemicals are considered "organic" or are involved intimately and massively in Earth life. The "circle of life" will incorporate them into additional life! Increasing the temperature, water, and essential plant food (CO2), results in a higher global life form carrying capacity!

Believe me, it's better to live now than in the Little Ice Age that you seem to believe normal or ideal! That's the best answer to your 3 hypotheticals. Warming is good and natural. Cooling is bad and natural. It has been both cooler and warmer in the past. Remember those Medieval English wines? The latest evidence indicates that the rate of warming is slowing down, but a few decades of observation on a 4.5 billion year old planet amount to nothing. If man is adding significantly to warming, good. But I don't think so. Would love to try English wine in my lifetime!

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