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Reick, Christian H.; Raddatz, Thomas; Pongratz, Julia ORCID: 0000-0003-0372-3960; Claussen, Martin (2010): Contribution of anthropogenic land cover change emissions to pre-industrial atmospheric CO2. In: Tellus : a bi-monthly journal of geographics / Series B, Chemical and physical meteorology, Vol. 62, No. 5: pp. 329-336
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Abstract

Based on a recent reconstruction of anthropogenic land cover change (ALCC), we derive the associated CO2 emissions since 800 AD by two independent methods: a bookkeeping approach and a process model. The results are compared with the pre-industrial development of atmospheric CO2 known from antarctic ice cores. Our results show that pre-industrial CO2 emissions from ALCC have been relevant for the pre-industrial carbon cycle, although before 1750 AD their trace in atmospheric CO2 is obscured by other processes of similar magnitude. After 1750 AD, the situation is different: the steep increase in atmospheric CO2 until 1850 AD-this is before fossil fuel emissions rose to significant values-is to a substantial part explained by growing emissions from ALCC.