Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Modeling of Atmospheric CO2 Concentrations as a Function of Carbon Dioxide Emissions with Implications for the Fossil-Fuel Atmospheric Fraction (AFFF)

Version 1 : Received: 21 February 2020 / Approved: 23 February 2020 / Online: 23 February 2020 (10:48:35 CET)

A peer-reviewed article of this Preprint also exists.

O’Connor, J.P. Modeling of Atmospheric Carbon Dioxide (CO2) Concentrations as a Function of Fossil-Fuel and Land-Use Change CO2 Emissions Coupled with Oceanic and Terrestrial Sequestration. Climate 2020, 8, 61. O’Connor, J.P. Modeling of Atmospheric Carbon Dioxide (CO2) Concentrations as a Function of Fossil-Fuel and Land-Use Change CO2 Emissions Coupled with Oceanic and Terrestrial Sequestration. Climate 2020, 8, 61.

Journal reference: Climate 2020, 8, 61
DOI: 10.3390/cli8050061

Abstract

In this work, a semi-empirical relationship of carbon dioxide emissions with atmospheric CO2 concentrations has been developed that is capable of closely replicating observations from 1751 to 2018. The correlation consists of a superposition of a linear component that may be attributed to the net emission flux from land use changes coupled with a rapidly varying component of the terrestrial sink combined with a fossil-fuel combustion/cement production emissions-based calculation with a single, fixed, scaling parameter determined by the ocean sink coupled with the remaining slowly varying component of the land sink (the fossil-fuel combustion airborne fraction).

Subject Areas

carbon dioxide emissions; carbon dioxide concentrations; Atmospheric Fraction

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