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2 marksHydrology

CAPE Geography Unit 1 · 2010 · Paper 2 · Question 7(a)(i)

Based on Table 3 showing annual precipitation, rank of events, and the recurrence interval formula RI = (n + 1)/m where n is years of observation and m is rank.

Calculate the recurrence interval of a year with at least 31 inches of rainfall.

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Other parts of this question

  1. 7(a)(ii)Calculate the recurrence interval of a year with 8 inches of rainfall.[2 marks]
  2. 7(b)(i)Define the term recurrence interval.[3 marks]
  3. 7(b)(ii)Define the term seismic gap.[3 marks]
  4. 7(c)Write an essay explaining the advantages and disadvantages of THREE strategies employed by governments to mitigate the effects of flooding.[20 marks]

More practice: the rest of this paper · more Hydrology questions · all CAPE Geography Unit 1 past papers