Teach the Earth > Complex Systems > Teaching Activities > Atmospheric methyl chloroform: a leaky water tank example

Atmospheric methyl chloroform: a leaky water tank example

Robert MacKay
Clark College Physics and Meteorology
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This activity was selected for the On the Cutting Edge Reviewed Teaching Collection

This activity has received positive reviews in a peer review process involving five review categories. The five categories included in the process are

  • Scientific Accuracy
  • Alignment of Learning Goals, Activities, and Assessments
  • Pedagogic Effectiveness
  • Robustness (usability and dependability of all components)
  • Completeness of the ActivitySheet web page

For more information about the peer review process itself, please see http://serc.carleton.edu/NAGTWorkshops/review.html.

This page first made public: Mar 31, 2010


Atmospheric methyl chloroform concentration is modeled as an extension of the generic water tank structure. Simulated and observed concentrations are used to estimate the global atmospheric lifetime of methyl chloroform and its 1989 to 2009 emission history.

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Students in an environmental modeling course who have been introduced to the generic leaky water tank structure.

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This is intended as an activity for the 4th or 5th week of 15 week environmental modeling class. A solid introduction to modeling, the Stella II modeling environment, and introductory concepts from system dynamics (equilibrium, time constant, stocks and flows) is assumed.


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