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4 皋兰山钻孔底部红黏土-黄土TOC与δ13Corg散点图(a),以及长链δ13CC27δ13CC29δ13CC31三者关系图(b, c, d)
Fig.4 Scatter plots showing the relationship between TOC and δ13Corg (a), and correlations among the δ13CC27δ13CC29 and δ13CC31 (b, c and d)