Abstract:Abstract. In recent decades, several proxies have been developed to reconstruct atmospheric paleo-CO2 concentrations (pCO2). The confidence in paleo-CO2 estimates can be increased by comparing results from multiple proxies with multiple species at a single site. Here we present a new pCO2 record for the Hauterivian–Barremian using three methods based on two fossil coniferous species (Cupressinocladus sp. and Brachyphyllum obtusum) collected from Laiyang Basin, eastern China. The pCO2 values were approximately … Show more
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