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systems (Systems approach- inputs, outputs, stores, flows, dynamic…
systems
Systems approach- inputs, outputs, stores, flows, dynamic equilibrium, positive and negative feedback
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Positive feedback
Cyclical events that increase change. Exacerbate the outputs of a system. Drives it in one direction and promotes environmental instability
Negative feedback
Cyclical sequence of events that damps down or neutralises the effects of a system promotes stability and dynamic equilibrium.
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drainage basin- stores
Trees, puddles soil
Drainage basin- transfers
Infiltration, groundwater flow and evaporation
drainage basin- positive feedback
Rising sea level, destabilize ice shelves, increase rate of carving. Increase in melting increase in sea level
Drainage basin- negative feedback
Increase surface temperature increase evaporation from ocean, more clouds cover and reflect radiation from sun, cools surface temp
drainage basin- dynamic equilibrium
Remote and unaffected drainage basin woodland where there has been no significant natural or human impacts or one that has time to adjust to change.
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woodland carbon-stores
trees , soil and rocks
woodland carbon- flows and transfers
burning , absorption
woodland carbon- positive feedback
Increase in temperature due to climate change, melting of permafrost ,trapped greenhouse gases released cause greenhouse gas effect.
woodland carbon- negative feedback
Increase CO2, increased temperature, promotes plant growth and photosynthesis. Removes CO2 from air and counteracts rise in temperatures
woodland carbon- dynamic equilibrium
Remote and unaffected drainage basin woodland where there has been no significant natural or human impacts or one that has time to adjust to change.