2 g ty hydrosphere 38400 gt 1a photosynthesis land

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Unformatted text preview: espiraJon (marine): CH2O + O2 à༎ CO2 + H2O 3: Chemical Weathering (step 1) : CaCO3 + CO2 à༎ Ca2+ + 2HCO3- CaSiO3 + CO2 + H2O à༎ Ca2+ + 2HCO3- + SiO2 (2nd rxn. Is the Urey ReacJon) **note that there are only four general types of reacJons Nine Fluxes: What are they? 1a: 63 Gt/y 8 7 land bioshpere (2200 Gt) 6 atmosphere (800 Gt) lithosphere (78,000,000 Gt) 1b: 4 5 Gt/ y 2b: 4 5.2 G t/y hydrosphere (38,400 Gt) 1a: Photosynthesis (land): CO2 + H2O à༎ CH2O + O2 1b: Photosynthesis (marine): CO2 + H2O à༎ CH2O + O2 2a: ResipiraJon (marine): CH2O + O2 à༎ CO2 + H2O 2b: RespiraJon (marine): CH2O + O2 à༎ CO2 + H2O 3: Chemical Weathering (step 1) : CaCO3 + CO2 à༎ Ca2+ + 2HCO3- CaSiO3 + CO2 + H2O à༎ Ca2+ + 2HCO3- + SiO2 (Urey ReacJon) 4a, 4b: Geological Burial of Organic C (to produce sedimentary organic C, and possibly coal, oil, natural gas, tars, etc.) In what kinds of places is organic carbon currently being buried? In what kinds of places is organic carbon currently being buried? Mississippi River Delta Nine Fluxes...
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