Isaac Asimov on climate change, 1989, 1977

Discussion in 'Environment' started by Old Rocks, Jan 29, 2011.

  1. Old Rocks
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    Old Rocks Diamond Member

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  2. Oddball
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    Oddball BANNED Supporting Member

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    I predict that one day, the Earf will be consumed in an immense fiery supernova.

    See how easy that is?
     
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  3. Old Rocks
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    Old Rocks Diamond Member

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    Willfull ignorance. Such a wonderful thing.
     
  4. Trakar
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    Trakar VIP Member

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    Stars such as our sun are not subject to experiencing supernova, but then I take it you don't much care for, or understand issues of science?
     
  5. Quantum Windbag
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    Quantum Windbag Gold Member

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    I have admired Asimov for years, but I long ago realized that he was not perfect. He lost me when he started talking about sea level rising 200 ft Even Al Gore didn't go that far off base.
     
  6. Trakar
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    Trakar VIP Member

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    I believe Asimov was referring to a state where the CO2 levels are higher thanthey currently are. His speculations were not without foundation.

    Coupling of CO2 and Ice Sheet Stability Over Major Climate Transitions of the Last 20 Million Years - (AAAS) Science - http://atripati.bol.ucla.edu/23.pdf

    Our system is still equilibrating to the current levels of CO2. Even if we could hold the atmospheric ratios to their current levels, this level of temp rise and sea level rise could be expected to result from current conditions. At the current rates of increase, CO2 levels will double preindustrial ratios within a couple of decades and may triple their current levels by 2100. Complete melting of the surface icecaps and sheets would raise sea levels by ~70-80meters (not counting thermal expansion), or somewhere between 230-260'. Which puts Asimov's considerations in good standing.
     
  7. The Infidel
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    The Infidel EVIL CONSERVATIVE

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    I made a turd earlier with more common sense than you.

    True steary.... Im serial!
     
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  8. The Infidel
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    The Infidel EVIL CONSERVATIVE

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    [​IMG]
     
  9. Quantum Windbag
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    Quantum Windbag Gold Member

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    Funny things is, the most serious projections do not have the ice caps melting, therefore thee is no chance of the sea levels rising that far. As we have seen this winter, higher CO2 levels contribute to more water vapor, and more precipitation in coastal areas.

    The ice caps, on the other hand, melt all the time. In years where there is less snowfall they do not grow back as fast as the ice melts. In years with more snowfall they grow back faster than the ice melts. Most of the models I have seen show this fluctuating over time, but none of them predict that the ice caps will completely disappear, no matter how hot it gets. That is because the warmer temps generally result in more snowfall in the Arctic regions.

    Like I said, he lost me.

    By the way, he also argued that cholesterol, being the only substance that the body actually makes itself, should be consumed in higher than recommended amounts. Like I said, he was human, and wrong occasionally.
     
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  10. Two Thumbs
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    Two Thumbs Platinum Member

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    They were. They didn't have a fool like Gore to help them get funding. and they couldn't bring themselves to use fear to line thier pockets at the time.

    Today they have gore and no such moral restraint.
     

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