Implications for human wellbeing: degradation of the water and carbon cycles (Edexcel A-Level Geography): Flashcards
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Kuznets' Curve Model
Kuznets' Curve Model
As GDP ↑ past turning point → env. protection prioritised
% CO2 absorbed by oceans since 1850
% CO2 absorbed by oceans since 1850
About half
% ↑ in ocean acidity since 1850
% ↑ in ocean acidity since 1850
26%
Ocean surface pH change since 1850
Ocean surface pH change since 1850
Fallen from 8.2 to 8.1
Current acidification rate vs. last 55M years
Current acidification rate vs. last 55M years
10x faster
Nickname for ocean acidification
Nickname for ocean acidification
Osteoporosis of the sea
Cause of coral bleaching
Cause of coral bleaching
Algae leave coral when water temp rises
Potential global commercial losses from declining stocks
Potential global commercial losses from declining stocks
Over $100 billion
Predicted further acidity ↑ by end of century
Predicted further acidity ↑ by end of century
0.4 units
Which ocean regions acidify faster?
Which ocean regions acidify faster?
Polar seas & upwelling regions