黄土高原东缘晚全新世高精度高分辨率石笋古环境记录

董进国, 沈川洲, 姜修洋

An Absolute-dated High-resolution Palaeoclimate Record Between 4 400 and 150 a B.P. from Dragon Cave, Eastern Loess Plateau, China

Jin-guo DONG, Chuan-zhou SHEN, Xiu-yang JIANG

表2 公元前7~2世纪旱涝记录[26,27]

Table 2 Dry-wet records in the period of 7-2 B.C.[26,27]

公元前（世纪） 7 6 5 4 3 2 D 13 15 7 1 1 14 F 6 6 2 5 8 15 D/(D+F) 0.68 0.71 0.77 0.17 0.11 0.48