The Global Carbon Cycle

Go to the on-line model

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.