Ocean acidification
What Ocean acidification means in Geography A-Level, as defined for AQA.
Definition of Ocean acidification
Check what you remember
Read the wording for your board, then hide it and explain Ocean acidification in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A process where increased dissolved carbon dioxide lowers ocean pH, impacting marine ecosystems, with the ocean remaining slightly alkaline but becoming less alkaline due to carbonic acid formation.
Topics that use Ocean acidification
- The carbon cycle (AQA A-Level)
Related terms
- Carbon budget
- Carbon reservoirs
- Cryosphere
- Enhanced greenhouse effect
- Human intervention
- Hydrosphere
- Lithosphere
- Spatial and temporal scales
Using Ocean acidification 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge