Suppose atomispheric CO2 is growing at 2ppm/yr, fossil fuel and cement emissions are 9GtC/yr, and the airborne fraction...
Suppose atomispheric CO2 is growing at 2ppm/yr, fossil fuel and cement emissions are 9GtC/yr, and the airborne fraction is 38%. If the only other carbon emissions are associated with land use changes, estimate their net carbon emission rate.
Homework Answers
Given,
Fossil fuel and cement emission = 9 GtC/yr
CO2 level = 2 ppm/yr = 2 * 2.12 = 4.24 GtC/yr
Land use level = 2.2 GtC/yr
Airborne fraction = 38%
Total Concentration = Fossil fuel and cement emission + CO2 level + Land use level = 9 + 4.24 + 2.2 = 15.44 GtC/yr
Net Carbon Emission Rate = (15.44 * 0.38)/2.12 = 2.7675 ppm/yr CO2
Suppose global Fossil fuel combustion emists 7.7 GTC/yr and cement production add 0.5 GTC. Assume air born fraction as 0.38 and assuming no change in emissions due to land use, what rate of change co2 concentration would you expect
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U.S. Carbon Emissions Surged in 2018 Even as Coal Plants
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Image
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Hi can you help me make a summary about this short article and
how it affects me economically as US citizen?
U.S. Carbon Emissions Surged in 2018 Even as Coal Plants
Closed
Passenger planes at the Phoenix airport in July. Greenhouse gas
emissions from airplanes and trucking increased sharply in
2018.CreditAngus Mordant/Bloomberg
Image
Passenger planes at the Phoenix airport in July. Greenhouse gas
emissions from airplanes and trucking increased sharply in
2018.CreditCreditAngus Mordant/Bloomberg
By Brad
Plumer
Jan. 8, 2019
479...
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