Effects of the Changing Carbon Budget (AQA A-Level Geography): Flashcards
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% of human CO₂ emissions absorbed by plants since 1960
% of human CO₂ emissions absorbed by plants since 1960
25%
Carbon fertilisation
Carbon fertilisation
Enhanced plant growth from higher atmospheric CO₂ levels
Tundra warming feedback effect
Tundra warming feedback effect
Releases greenhouse gases, amplifying further warming
% of atmospheric CO₂ dissolved into oceans
% of atmospheric CO₂ dissolved into oceans
30%
Ocean surface pH drop amount
Ocean surface pH drop amount
0.1 units
People dependent on coral reefs worldwide
People dependent on coral reefs worldwide
500 million
Arctic sea ice retreat rate per decade
Arctic sea ice retreat rate per decade
12.8%
Ice-albedo feedback process
Ice-albedo feedback process
Melting ice → darker water → more heat absorbed → more melting
Global sea level rise rate since early 1990s
Global sea level rise rate since early 1990s
3.1 mm per year
Current radiative forcing level (IPCC AR5)
Current radiative forcing level (IPCC AR5)
2.8 watts/m²