文章摘要信息 关键词 ： 屈家岭;全新世中晚期;环境变化;人类活动 [gap=2431]Keywords : Qujialing; middle and late Holocene; environmental changes; Human activities
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Sandy materials were deposited continually during the middle and late Holocene.
全新世中、晚期该区继续接受砂质沉积。
In late Holocene, climate is dryer and cooler than that in middle Holocene, the precipitation of drainage area decreases. So runoff deceases, the width of riverbed becomes narrow.
进入全新世晚期，由于气候相对于全新世中期变得较为干燥，也较为温凉，流域来水减少，故流量减小，河床宽度变小。
The results show that the core sediments studied were formed in the late stage of Middle Holocene for the lower part and in Late Holocene for the upper part.
研究结果表明，所研究的柱样沉积物下部形成于中全新世晚期，上部属于晚全新世。
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