皋兰山红黏土-黄土记录的上新世-更新世转型期C3/C4植被演化
李孟,彭廷江,韩冰雁,郭本泓,李小苗,马振华,冯展涛,宋春晖

The C3/C4 vegetation history during the Pliocene-Pleistocene transition: evidence from the Gaolanshan red clay-loess deposition
Meng LI,Tingjiang PENG,Bingyan HAN,Benhong GUO,Xiaomiao LI,Zhenhua MA,Zhantao FENG,Chunhui SONG
图5 皋兰山C4植被含量与深海氧同位素(a)、大气δ13CCO2 (b)、pCO2 (c)和中值粒径(d)综合对比图
Fig.5 Comparisons between deep ocean δ18O(a) from Lisieki and Raymo56, atmosphere δ13CCO2 (b) from Tipple et al.51, atmosphere pCO2 (c) from Beerling and Royer52 & Bartoli et al.54, median diameter (d) from Guo et al.11, and C4 content (e). Atmosphere pCO2 based on δ11B, phytoplankton52, and δ11B55 are outlined by the orange, black, and pink plots and line, respectively