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Learning objective

Students should be able to identify and clarify the factors that lead to drought, including the absence of rainfall due to extended periods of high atmospheric pressure, the influence of the El Niño Southern Oscillation (ENSO) and La Niña on sea temperatures and evaporation rates, as well as the impact of climate change.

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Cambridge IGCSE Environmental ManagementManaging natural hazards

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Quick explanation

Students should be able to identify and clarify the factors that lead to drought, including the absence of rainfall due to extended periods of high atmospheric pressure, the influence of the El Niño Southern Oscillation (ENSO) and La Niña on sea temperatures and evaporation rates, as well as the impact of climate change

  • This point belongs to Drought, especially Drought outcomes.
  • You need to be able to students should be able to identify and clarify the factors that lead to drought, including the absence of rainfall due to extended periods of high atmospheric pressure, the influence of the El Niño Southern Oscillation (ENSO) and La Niña on sea temperatures and evaporation rates, as well as the impact of climate change.
  • The key ideas to know are Describe, Explain, and Identify.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplainIdentify

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Paper 1 structured question: Drought

Paper 1Theory2 marks

Description

Factors Leading to Drought

Drought can be caused by several factors including prolonged high atmospheric pressure, changes in sea surface temperatures due to ENSO and La Niña, and the effects of climate change on weather patterns.

  1. a

    Identify two factors that can lead to drought.

    Aim for approximately 2 distinct marking points.

    [2]
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