CO2 Uptake of the Marine Biosphere
Date: Thursday, September 29 @ 10:30:00 MDT
Topic: Carbon Cycle Response to Climate Change
By Arne Winguth
Different CO2 stabilization scenarios and CO2
emission scenarios have been carried out with an earth system model to
investigate feedbacks between future climate change and carbon cycle. The model
predicts a sensitivity of 1.6±0.1 K for an increase of 280 ppm in atmospheric
CO2 concentration. The decrease of the thermohaline circulation is
predominantly controlled by an enhanced atmospheric moisture transport to high
latitudes by global warming. Overall, the simulated effect of atmospheric CO2
concentration on climate change reduces the total carbon uptake of the ocean
and the land is reduced by 24-29%.
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