Climate, Soil and Vegetation Characteristics (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the aridity index (AI) value for hyper-arid desert environments?
What is the aridity index (AI) value for hyper-arid desert environments?
AI < 0.05
Approximately what percentage of the global land surface is covered by arid lands?
Approximately what percentage of the global land surface is covered by arid lands?
37%
If a desert location has a max temp of 36°C and min temp of -1°C, what is the diurnal range?
If a desert location has a max temp of 36°C and min temp of -1°C, what is the diurnal range?
37°C
What are the two key factors that cause large diurnal temperature ranges in hot deserts?
What are the two key factors that cause large diurnal temperature ranges in hot deserts?
Low humidity and clear skies
What are cloudbursts in desert environments?
What are cloudbursts in desert environments?
Sudden intense rainfall after dry periods
What is the typical depth of aridisol soil profiles in hot deserts?
What is the typical depth of aridisol soil profiles in hot deserts?
Less than 100cm
What is capillary movement in desert soils?
What is capillary movement in desert soils?
Upward movement of moisture through soil
What are xerophytes?
What are xerophytes?
Plants adapted to dry conditions
What defines phreatophytes in desert environments?
What defines phreatophytes in desert environments?
Deep roots accessing groundwater/aquifers
What are halophytes adapted to tolerate?
What are halophytes adapted to tolerate?
High levels of salinity in soil