Journal
TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY
Volume 62, Issue 5, Pages 329-336Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1111/j.1600-0889.2010.00479.x
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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.
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