The Global Carbon Cycle
The Global Carbon Cycle
Pre-Industrial to year 2000 Carbon Cycle
The Big Burn Version
The IPCC Emissions Scenario Version
Numbers in reservoirs are initial amounts in Gigatons of carbon (GtC); numbers next to flow ‘valves’ are initial steady-state flows in GtC/year. This model is intended to represent the pre-industrial carbon cycle, engineered so that it is in a steady state.