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干旱区地理 ›› 1989, Vol. 12 ›› Issue (2): 14-21.doi: 10.13826/j.cnki.cn65-1103/x.1989.02.003

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青海高原东部三万年来自然环境变迁的序列与幅度探讨

潘保田1, 徐叔鹰2, 陈发虎1, 曹继秀1, 张宇田1   

  1. 1.兰州大学地理系
    2.苏州铁道师范学院
  • 出版日期:1989-06-25 发布日期:2025-12-25
  • 基金资助:
    国家自然科学基金和国家教委基金资助课题成果之一。

Discussion on the Sequence and Extent of Changes of Natural Environment in the Eastern Qinghai Plateau During the Past 30,000 Years

Pan Baotian1, Xu Shuying2, Chen Fahu1, Cao Jixiu1, Zhang Yutian1   

  1. 1. Department of Geography, Lanzhou University
    2. Department of Geography, Suzhou Railway Normal College
  • Published:1989-06-25 Online:2025-12-25

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摘要： 本文在野外考察和室内样品分析的基础上,根据风沙堆积、冰缘现象、冰川遗迹、湖泊演化、孢粉分析和古土壤等的研究,将青海高原东部三万年来的自然环境变迁划分了八个阶段:末次冰盛期早期(30000-23000a.B.P)、末次冰盛期(23000-14000a.B.P)、晚冰期(14000-12000a.B.P)、早全新世温暖期(12000-8500a.B.P)、早全新世寒冷期(8500-7000a.B.P)、中全新世高温期(7000-3500a.B.P)、新冰期(3500-2500a.B.P)和晚全新世温和期(2500a.B.P以后):并恢复了各期年平均气温。

关键词: 序列, 幅度, 自然环境变迁, 青海高原东部, 三万年

Abstract: Based on field investigations and laboratory analysis of samples, through studing on the aeolian sand deposits.paleoperiglacial phenomena, relics of Quaternary glaciation, evolution of lakes, sporepollen analysis, paleosol and so on, the changes of natural environment in the eastern Qinghai Plateau during the past 30, 000 years are divided into eight stages in this paper: early period of full Last Glaciation（30, 000-23, 000 a.B.P）full Last Glaciation（23, 000-14, 000 a. B.P）, Late Glaciation（14, 000-12, 000 a.B.P ）, warm period in early Holocene（12, 000-8, 500 a.B.P）, colk period in early Holocen（ 8, 500-7, 000 a.B.P）, Climatic Optimum in middle Holocene（7, 000-3, 500 a B.P）, Neoglaciation in middle Holocene（3, 500－2, 500a.B.P）, tempe－ rate period in late Holocene（after 2.500 a.B.P）Annuac average temperatures Tin every stage are estimated.