Climate Change (Leaving Cert Geography): Flashcards
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Practise the cards
15 cards from this deck
Climate change refers to
Climate change refers to
Long-term shifts in temperatures & weather patterns
Primary driver of current climate change
Primary driver of current climate change
Human activities since Industrial Revolution
Milankovitch cycles
Milankovitch cycles
Astronomical cycles driving long-term climate variations
Eccentricity cycle duration
Eccentricity cycle duration
100,000 years
Axial tilt cycle duration
Axial tilt cycle duration
41,000 years
Precession cycle duration
Precession cycle duration
26,000 years
Solar activity cycle period
Solar activity cycle period
11 years
Volcanic cooling effect duration
Volcanic cooling effect duration
1-3 years
Earth's temp without greenhouse effect
Earth's temp without greenhouse effect
-18°C
Earth's current average temperature
Earth's current average temperature
15°C
Key greenhouse gases (4)
Key greenhouse gases (4)
Water vapour, CO₂, CH₄, N₂O
Largest source of greenhouse emissions
Largest source of greenhouse emissions
Fossil fuel combustion (coal, oil, natural gas)
Deforestation's impact on carbon
Deforestation's impact on carbon
Reduces CO₂ absorption & releases stored carbon
Current CO₂ increase rate vs natural
Current CO₂ increase rate vs natural
100 times faster
Ocean acidification harms
Ocean acidification harms
Coral reefs & shellfish