Geography A-Level
Aridity
What Aridity means in Geography A-Level, as defined for AQA.
Definition of Aridity
Check what you remember
Read the wording for your board, then hide it and explain Aridity in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A moisture deficit where potential evapotranspiration exceeds precipitation, defining deserts.
Topics that use Aridity
- Deserts as natural systems (AQA A-Level)
Related terms
- Aridity Index
- Atmospheric circulation
- Ecosystem interactions
- Geomorphic feedback and equilibrium
- Landform
- Landscape evolution
- Ocean-atmosphere interactions
- Spatial distribution
Using Aridity in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Geography questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Geography A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge