黄河源地区晚第四纪环境变迁

Environmental Changes of Late Quaternary in Source Rigion of The Huanghe River

在野外考察和１４Ｃ测年的基础上，本文论述了晚更新世至全新世黄河源地区的环境变迁。确定了在末次间冰期、末次冰期和全新世三个时期冰川、冰缘现象、湖泊、河流、植被和土壤的基本状况。最后讨论了近代环境的发展趋势。

Based on field investigations and 14C dating, this paper dicusses environmental changes in the source regions of the Huanghe River of Qinghai Province from late Pleistocene to Holocene. The auther has made an analysis of basic conditions of glacier,periglacial phenomena, lake, river, vegetation and soil during the three period, i. e. the last interglacial stage, the last glacial stage and the Holocene stage. Finally, this paper discusses developmental trend of natural environment in the modern times.