Carbon Cycle Flashcards
1
Q
Stores
A
Biotic:
Organisms and Forests
Fossils (fossil fuels included)
Abiotic:
Soils
Ocean (dissolved)
Atmosphere
2
Q
Flows
A
Fixation:
Photosynthesis - Transformation
Dissolving - Transformation
Letting it out:
Respiration - Transformation
Combustion - Transformation
Death and Decomposition - Transformation
Other:
Consumption - Transfer
Fossilisation - Transfer
3
Q
Biotic Flows
A
Photosynthesis
Respiration
Feeding
Decomposition
4
Q
Abiotic Flows
A
Dissolving
Combustion
Fossilisation
5
Q
Human Impact
A
Through anthropogenic activities, humans add large amounts of carbon to the atmosphere (200GtC since pre-industrial period).
Some is drawn out by diffusion into oceans and uptake by organisms.
6
Q
Carbon Budget
A
Carbon on Earth is finite - emissions are spread between countries.
