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In the stratosphere ozone is always formed and destroyed. The english mathematician and geophycisist Sidney Chapman investigated and described this cycle. Because of that this cycle is named "Chapman-cycle".
The flash animation below demonstrates the Chapman-cycle and all the important steps of it.
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© 2003 Seesing, Tausch, Universität-Duisburg-Essen, Duisburg
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Add the missing words in the text. The missing words are:
ozone molecule ; ozone molecules; cracking of ozone; oxygen atom ; oxygen atom; oxygen atoms; oxygen atoms; oxygen molecule ; oxygen molecule; oxygen molecule; oxygen molecules; UV-light ; UV-light; warmth; warmth; wavelength
High-energy (short wave) UV-light can crack ________________________ into ________________________.
- By a "triple collision", if a ________________________, a ________________________ and a heavy wight particle impact, a ________________________ is formed. the heavy wight particle can be a dust particle, or another big gas molecule.
- The heavy wight particle has the task, to take over the ________________________ ,which becomes free during the ozone formation. It delivers the ________________________slowly to the environment afterwards.
- ________________________ can be cracked likewise by ________________________. The ________________________needed by this does not need to have as much energy than to crack oxygen molecules. The ________________________may be larger. The products of this ________________________are an ________________________and an_______________________.
- Do two ________________________impact, a ________________________is formed.
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Explain briefly which form of energy is in the stratosphere convertet into warmth by the chapman-cycle.
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About this page:
Authors: M. Seesing, M. Tausch - Universität Duisburg-Essen, Duisburg / Germany
Rewiewer:
Last update: 2004-05-13 |
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