Atmospheric CO2, Carbon Isotopes, the Sun, and Climate Change over the Last Mill
Date: Thursday, September 29 @ 08:45:00 MDT
Topic: Carbon Cycle Response to Climate Change

By Fortunat Joos

The records of atmospheric CO2 and of NH surface temperature covering the past millennium hold information on the strength of the sensitivity of the global carbon cycle to climate changes. This sensitivity is defined as the change in atmospheric CO2 in response to a given change in NH temperature in units of ppm K-1. The magnitude of the sensitivity is estimated for modest (< 1 K) temperature variations from simulations with the Bern Carbon Cycle Climate model driven with solar and volcanic forcing over the last millennium and from simulations with the range of C4MIP models over the industrial periods. The model results are broadly compatible with the data-deduced range.

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This article comes from The 7th International CO2 Conference Web Site

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