Thursday 3 July 2008

geog stuff



Tutorial 10, Atmospheric Hazards

1) Explain how El Nino events could result in atmospheric hazards. [6m]
2) With regards to possible natural and human causes of drought, which do you think has a greater influence on the creation of drought in an area? Why?
3) A) Describe the changes shown [3m]
b) Explain the reasons for the changes shown [4m]
c) Explain why the formation and paths of tropical cyclones are limited to sub-tropical regions in the world [5m]

Tutorial 11, Microclimates

1) Compare a typical rural surface with a typical city surface. List 2 ways in which the differences adds to the urban heat island effect.
2) Describe the differences in the various climate elements of the urban area as compared to the rural area. Give reasons for these differences.
3) The UHI is said to create ‘country breeze’. How could this happen?
4) Study Figure 2. Describe and explain the variations in temperature as shown in the figure

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