Global Warming (Leaving Cert Geography): Flashcards
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15 cards from this deck
Definition of global warming
Definition of global warming
Long-term increase in Earth's average surface temperature
Temp rise since Industrial Era (1850-1900)
Temp rise since Industrial Era (1850-1900)
Approximately 1.1°C
CO₂ levels in 2021 (ppm)
CO₂ levels in 2021 (ppm)
Over 410 ppm
Pre-industrial CO₂ levels (ppm)
Pre-industrial CO₂ levels (ppm)
About 280 ppm
% increase in CO₂ vs pre-industrial
% increase in CO₂ vs pre-industrial
46% increase
Evidence of human influence on warming
Evidence of human influence on warming
Climate models show natural processes alone can't explain warming
Arctic Sea Ice decline rate per decade since 1979
Arctic Sea Ice decline rate per decade since 1979
Approximately 13% per decade
Antarctic ice loss since 1992 (gigatons)
Antarctic ice loss since 1992 (gigatons)
Over 3,000 gigatons
Effect of warming on extreme weather frequency
Effect of warming on extreme weather frequency
Increased frequency and severity
2023 European heatwave deaths
2023 European heatwave deaths
Over 61,672 deaths
How warming intensifies rainfall
How warming intensifies rainfall
Warmer temps increase evaporation & atmosphere's moisture capacity
Effect of warmer seas on hurricanes/storms
Effect of warmer seas on hurricanes/storms
Warmer sea-surface temps fuel their intensity
Cause of coral bleaching events
Cause of coral bleaching events
Warmer ocean temperatures
Projected sea level rise by 2100 (metres)
Projected sea level rise by 2100 (metres)
0.6 to 1 metre
% of human CO₂ absorbed by oceans
% of human CO₂ absorbed by oceans
Approximately 30%