汉江上游早—中更新世河流地貌演化促进南秦岭山间盆地古人类扩散

张丹枫, 王先彦, 张瀚之, 刘全玉, 王社江, 鹿化煜

Drainage connection and terrace formation promoted early hominin occupation in the upper Hanjiang River during the Early-Middle Pleistocene

ZHANG Danfeng, WANG Xianyan, ZHANG Hanzhi, LIU Quanyu, WANG Shejiang, LU Huayu

图2 安康盆地汉江阶地分布及典型河段河谷横剖面

Fig. 2 The distribution of terraces (a1, b1, c1) and the cross sections of the valley and terraces (a2, a3, b2, c2) of the Hanjiang River in the Ankang basin