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Look forward to a darker world: 'Global dimming'

  1. May 23, 2004 #1

    Ivan Seeking

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    http://www.nature.com/nsu/040517/040517-7.html
     
  2. jcsd
  3. May 24, 2004 #2
    Since the late 1950s, I have observed a 2-4% increase in the amount of high cirrus type clouds generated by aircraft contrails.
     
  4. May 28, 2004 #3
    U have observed? U do this for a living? For 54 years??
     
  5. May 28, 2004 #4
    Hold it, the late fifties is not 54 years ago. And yes, I certainly did some observing back then but out of curiosity like all kids.
     
  6. Jun 3, 2004 #5
    fine 45-55 years. Still, you observed specifically that a 2-4% increas in clouds would result from airplane fumes. I wonder how you did it.
     
  7. Jun 5, 2004 #6
    protect us from global warming? i don't think so. it may weaken the monsoon over the subcontinent and decrease our agricultural yield substantially. that is bad news for my country.
     
  8. Jun 5, 2004 #7
    It may but then again it may increase it strenght. Nobody can foresee how these chaotic processes work. So don't trust anybody who says: there will be global warming so the monsoons get weaker and dryer. But if you support our treaty and pay, everything will be fine again.
     
  9. Jun 5, 2004 #8

    Ivan Seeking

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    IIRC, there is a study or paper that shows that if we added an aluminum oxide to jet fuel, we could reduce the incident solar radiation globally by about 1%. Given that this involves a direct effort to reduce the incoming energy, I doubt that we have had two or four times the influence by chance.

    I think I have the patent linked in biology...I will try to find.
     
  10. Jun 5, 2004 #9

    Ivan Seeking

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