From: Paul Doherty (pauld@exploratorium.edu)
Date: Fri Oct 18 2002 - 12:28:12 PDT
Message-Id: <l03110723b9d60fd24957@[192.174.3.125]> Date: Fri, 18 Oct 2002 12:28:12 -0700 From: Paul Doherty <pauld@exploratorium.edu> Subject: Re: pinhole Ozone questions
Hi Andy
Here's a great website which answers your questions
http://www.atm.ch.cam.ac.uk/tour/part3.html
Paul Doherty
The Chlorine in the chlorofluorocarbons catalyzes the destruction of ozone.
>We are reading articles about the 'hole' in the Ozone
>layer above Antarctica.
>
>I had a number of questions that I could not answer so
>I wanted to see if folks could help me.
>
>1) First..what is the chemical reaction for the
>destruction of ozone by CFC's?,
>
>2) What is the basis (and chemical reaction) for the
>renewal of ozone?
>
>2.5) What is it about the colder months makes ozone
>depletion more intense? (Critical reactions take place on the surfaces of
>ice particles in polar stratospheric clouds which form in the winter.
>
>3) What causes the polar vortex that seems to isolate
>the weather at the poles during the colder months.
>
>4) What effect does the hole have on the inhabitants
>(animal or human) of the poles?
>
>5) Ozone is a pollutant at ground level. What human
>activity produce ozone? If CFC's can get in the
>stratosphere from the ground...how come Ozone can't
>(or maybe it does)? Ozone is reactive and goes away before it can reach
>the stratosphere, chlorofluorocarbons are inert and so can easily hang
>around long enough to be transported to the stratosphere.
>
>Help on any of these questions is appreciated.
>
>thanks,
>
>Andy.
>
>
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