L12_Limiting_Nutrients_Ocean_Acidification_Fate_of_Fossil_Fuel_Carbon

Key biscayne is lower than mauna loa right now

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Unformatted text preview: ember, present pCO2 is 400 ppm A)  10 ppm per year B)  8 ppm per year C)  6 ppm per year D)  4 ppm per year E)  2 ppm per year Calculated answer Does this agree with observaEons? Does this agree with observaEons? 15 ppm increase in 10 years. 1.5 ppm / year. Where is the ‘missing’ carbon going? Where is the ‘missing’ carbon going? 1a: 63 Gt/y 8: 8 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) We now have a fairly dense network of CO2 monitoring staEons to help our understanding of CO2 sources and sinks hpp://www.esrl.noaa.gov/gmd/ccgg/globalview/co2/co2_intro.html Seasonal changes in CO2, represenEng ‘breathing’ of the Earth Seasonal changes in CO2, represenEng ‘breathing’ of the Earth Key Biscayne (FL) compared with Mount Wilson Observatory (CA) Key Biscayne (FL) compared with Mauna Loa Observatory (HI) Key Biscayne is higher than Mauna Loa in winter. Key Biscayne is lower than Mauna Loa right now hpp://www.esrl.noaa.gov/gmd/ccgg/globalview/co2/co2_intro.html Doing this more rigorously Run a model of the atmosphere (two examples shown above from Gurney et al., Tellus, 2002). Ad...
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This document was uploaded on 03/26/2014 for the course GEC AS.270.103 at Johns Hopkins.

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