Dear bluesue-ga;
Thank you for allowing me an opportunity to answer your interesting
question. You probably already know that this is a hotly debated issue
so I’ll show you some evidence that supports the global warming theory
in spite of some argument to the contrary:
It is theorized that the cooling effects that the lower atmospheres
experience is due in large part to a combination of issues but one
primary issue is believed to be (believe it or not) volcanic eruptions
on the earth’s surface. These eruptions, which seem quite rare to us,
actually send a voluminous amount of ash and dust into the air. So
much so that even the rarest events are believed to be a leading
factor contributing to the depletion of the ozone layer. Because the
ozone absorbs the sun's ultraviolet rays, the layer normally HEATS the
stratosphere; but with depletion of ozone from volcanic blasts, the
stratosphere COOLED. In addition, it is believed that the very cold
stratosphere may have had a cooling effect on the troposphere, the
lower atmospheric layer, where the “weather” as we know it is present.
This is an extraordinarily interesting article on this very subject
and may help explain what I have mentioned here in greater detail. LOS
ALAMOS NATIONAL LABORATORY released it as a news bulletin on Thursday,
Dec. 16, 1999.
LOS ALAMOS NATIONAL LABORATORY
“A cooling troposphere and global warming can co-exist”
http://www.lanl.gov/worldview/news/releases/archive/99-175.shtml
Here are some other articles pertinent to your question that may also
shed some light on the issue:
GREENPEACE
“NEW RESEARCH SUGGESTS GLOBAL WARMING WILL BOOST OZONE DEPLETION.”
http://archive.greenpeace.org/climate/database/records/zgpz0545.html
LABORATORY FOR INDOOR AND LOCAL ATMOSPHERES (LILA)
“How do volcanic eruptions affect global warming?”
http://bigmac.civil.mtu.edu/home/classes/ce459/public/p13_98/how.html
“THE BIG MISUNDERSTANDING”
http://www.atmosphere.mpg.de/enid/168.html
(Put on your academic thinking cap for this one. This is a very
“heady” explanation of the answer to your question)
“Since ozone holds back the UV-B radiation from the Earth and leads to
a warming in the stratosphere, it can be assumed, that changes in the
total radiation budget of the Earth appear, if ozone disappears.
Indeed, this is the case. But the depletion of ozone does not lead to
a further warming but to a slight cooling.”
I hope you find that my research exceeds your expectations. If you
have any questions about my research please post a clarification
request prior to rating the answer. Otherwise I welcome your rating
and your final comments and I look forward to working with you again
in the near future. Thank you for bringing your question to us.
Best regards;
Tutuzdad-ga
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