On pre-industrial variations of atmospheric CO2 and CH4 [Sur les variations préindustrielles du CO2 et du CH4 atmosphériques]

We summarize (1) knowledge about the global pre-industrial cycle of CO2 and CH4, and (2) recent reconstructions of the concentration of CO2 and CH4 in the atmosphere (CO2atm and CH4atm) based on ice cores drilled in Antarctica and Greenland. We discuss critically some difficulties in the interpretat...

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Bibliographic Details
Published in:Comptes Rendus Geoscience
Main Authors: Marchal, O., Chappellaz, J.
Format: Text
Language:unknown
Published: Elsevier BV 2022
Subjects:
Greenland
Antarc*
Antarctica
Online Access:https://doi.org/10.1016/j.crte.2004.02.004
http://infoscience.epfl.ch/record/298358
Description
Summary:We summarize (1) knowledge about the global pre-industrial cycle of CO2 and CH4, and (2) recent reconstructions of the concentration of CO2 and CH4 in the atmosphere (CO2atm and CH4atm) based on ice cores drilled in Antarctica and Greenland. We discuss critically some difficulties in the interpretation of these reconstructions and suggest studies that should permit to better understand the factors controlling CO2atm and CH4atm variations. © 2004 Académie des sciences. Publié par Elsevier SAS. Tous droits réservés.

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