Causes Of Climate Chamge Flashcards
1
Q
Natural causes
Milankovitch
A
Milankovitch cycle-
tilt of the earth
Orbital path
Precession (earth wobbles)
2
Q
Natural causes
Sun spots
A
Sun spots and dark spots
Different concentrations
Changes in solar output
3
Q
Natural causes
Volcanoes
A
Volcanoes
Ash from eruptions
Blocks sun-global dimming
4
Q
Human causes
Green house
A
Greenhouse effect Short wave radiation from sun warming the earth Earth gives off long wave radiation An increase means less heat can escape Co2,methane,nitrise oxides,water 50% fromCombustion of fossil fuels-cars Agriculture
5
Q
Deforestation
A
Clearing land for crops and animals Logging for wood Cleared for roads Removing carbon sinks Burning adds carbon
6
Q
Effects of climate change
A
- Increased flooding
- ice melting-loss of habitat+easier access to oil and gas
- rising sea temp and lower ph-decline in fishing industry