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carbon cycle

topic 6

QuestionAnswer
the three forms of carbon inorganic, organic, gaseous
what is an equilibrium a balance between the production and absorption
three types of stores oceanic, atmospheric and terrestrial
what is a carbon sink and carbon source a carbon sink is store that takes more carbon in then in emits eg a tropical rainforests, wetlands and the tundra . a carbon source is something that give out more carbon the it absorbs
what is carbon sequestration storing or capturing atmospheric carbon eg trees/ micro organisms
the main store of carbon the lithosphere
fluxes in the carbon cycle photosynthesis, respiration, combustion, decomposition, diffusion, sedimentation, weathering erosion, volcanic out gassing
variations in the fluxes ecosystems effect deposition eg wetlands or the tundra, seasonality in the north plants die during winter which increases co2 levels, deforestation, afforestation, soil type clay soil stores more carbon
what are the three ocean pumps physical, biological, carbonate pump
explain the green house effect the sun give out shortwave inferred radiation some of this is trapped in the earths atmosphere which reflected of the land which warms up the world
what is the albedo effect when solar radiation is reflected off ice and snow as it white (90%) while the sun is absorbed by the ocean as its darker. this is a preamble as the ice is melting
atherogenic effects after the industrial revolution 75% of carbon emissions have been for fossil fuels
what human effects have been an issues agriculture, deforestation (20%), urbanisation, combustion of fossil flues
effects of the enhanced green house effect temperatures have increased which effects the albedo effect this have lead to rising sea levels. extreme weather events have become more common, reduced biodiversity and put us near a tipping point due to the positive feedback loop
Created by: hannahLw08
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