practice sheet systmes & models 1
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Guru charan kumar IB ESS 2013
SYSTEMS & MODELS WORKSHEET
The figure below shows a model of the climatic system.
[Source: O’Hare and Sweeney, The Atmospheric System, (1986), Oliver and Boyd, page 189]
(a) Define the term model.
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(b) Identify two internal interactions in the figure above which affect the climate.
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(c) List four gases which are part of the atmosphere.
CLIMATE
Radiation outputs from
Earth-atmosphere
Solar inputs to
Earth-atmosphere
Atmospheric
circulation andcomposition
Humanactivity
Earth-atmosphere system
Land andterrestrialfeatures
Atmosphere
Ocean
Oceaniccirculation
Ice
External inputs and outputs of the climatic system
Internal interactions of the climatic system
Guru charan kumar IB ESS 2013 ......................................................................................................................................
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(d) State how solar inputs and Earth outputs differ in their radiation wavelengths.
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(e) Outline the ways in which human activity can have an impact on climate.
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(f) Evaluate the strengths and limitations of the model in the figure above for describing
the atmospheric system.
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(Total 13 marks)
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