Key term for Edexcel GCSE Geography A, used in Weather Hazards and Climate Change.
A meteorological tool used to monitor drought by comparing current precipitation to the historical average for a specific location.
Standardized Precipitation Index (SPI) appears in Edexcel GCSE Geography A revision content for The Physical Environment, especially Weather Hazards and Climate Change and Impacts and Responses to Drought.
Create a free account to access Edexcel GCSE Geography A revision notes, track progress, and practise related key terms.
