by H. Harde, May 2017 in GlobalPanetaryChange

Highlights

•  We present a carbon cycle with an uptake proportional to the CO₂ concentration.

• Temperature dependent natural emission and absorption rates are considered.

• The average residence time of CO₂ in the atmosphere is found to be 4 years.

• Paleoclimatic CO₂ variations and the actual CO₂ growth rate are well reproduced.

• Human emissions only contribute 15 % to the CO₂ increase over the Industrial Era.