Abstract
Carbon Preference Index (CPI values) of higher plant-derived long-chain n-alkanes extracted from 62 surface soil samples in eastern China exhibited a specific pattern of variations, namely gradual increase with the increasing latitudes. Such regular variations existed in both forest soil and grassland soil. Our data implied that CPI values of higher plant-derived long-chain n-alkanes had a certain connection with climatic conditions, and such a connection was not influenced by vegetation types. Together with previous data from marine sediments, loess/paleosol sequences, tertiary red clay and modern plants, our observation made us conclude that CPI values of higher plant-derived long-chain n-alkanes may be used as an excellent proxy for paleoclimatic studies.
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Rao, Z., Zhu, Z., Wang, S. et al. CPI values of terrestrial higher plant-derived long-chain n-alkanes: a potential paleoclimatic proxy. Front. Earth Sci. China 3, 266–272 (2009). https://doi.org/10.1007/s11707-009-0037-1
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DOI: https://doi.org/10.1007/s11707-009-0037-1