《Table 2 Summarized p CO2 results based on the previous and present studies》

《Table 2 Summarized p CO2 results based on the previous and present studies》   提示:宽带有限、当前游客访问压缩模式
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《"Middle Cretaceous pCO_2 Variation in Yumen, Gansu Province and its Response to the Climate Events"》


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At present,the results from reconstruction of the paleoatmospheric CO2 concentration in the mid-Cretaceous mainly include the use of plant fossil stomatal parameters(Haworth et al.,2005;Aucour et al.,2008;Ren Wenxiu et al.,2008;Passalia,2009;Du et al.,2016;Sun Y.W et al.,2016;Dai and Sun,2017),carbon isotopes of paleosols and fossil liverworts(Ekart et al.,1999;Fletcher et al.,2007;Heimhofer et al.,2004;Wallmann,2001),biogeochemical models(Bergman et al.,2004;Berner1994;Berner and Kothavala,2001;Hansen,2003;Rothman,2002;Tajika,1999),and the newly established mechanical model of plant photosynthetic gas exchange(Franks et al.,2014).The results from this reconstruction are summarized in Table 2 and Fig.3.