L10_More_Carbon_Cycle

4 yr photosynthesis chemical weathering note here

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Unformatted text preview: note units: M / (M/t) = t Note: here F (flux) refers to the flux in or the flux out (not flux in + flux out). This assumes the reservoir is in steady- state (it is not growing or shrinking) What is the residence Nme of CO2 in the atmosphere? 1a: 63 Gt/y 8: 0.12 Gt/y 7: 0.12 Gt/y land bioshpere (2200 Gt) 6: 0.4 Gt/y atmosphere (800 Gt) lithosphere (78,000,000 Gt) 1b: 4 5 Gt/ y 2b: 4 5.2 G t/y hydrosphere (38,400 Gt) respiraNon Atmosphere mass of reservoir at steady state t = Inflow Rate or Ouelow Rate For the atmosphere: t = 800 Gt / (108 Gt/yr) = 7.4 yr Photosynthesis & Chemical Weathering Note: here ‘flux’ refers to the flux in or the flux out (not flux in + flux out). This assumes the reservoir is in s...
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