长江三角洲末次盛冰期的气候波动

覃军干, 吴国瑄, 郑洪波, 周琪

覃军干, 吴国瑄, 郑洪波, 周琪. 长江三角洲末次盛冰期的气候波动[J]. 海洋地质与第四纪地质, 2007, 27(6): 71-75.
引用本文: 覃军干, 吴国瑄, 郑洪波, 周琪. 长江三角洲末次盛冰期的气候波动[J]. 海洋地质与第四纪地质, 2007, 27(6): 71-75.
QIN Jun-gan, WU Guo-xuan, ZHENG Hong-bo, ZHOU Qi. CLIMATE FLUCTUATIONS IN THE YANGTZE DELTA DURING THE LAST GLACIAL MAXIMUM[J]. Marine Geology & Quaternary Geology, 2007, 27(6): 71-75.
Citation: QIN Jun-gan, WU Guo-xuan, ZHENG Hong-bo, ZHOU Qi. CLIMATE FLUCTUATIONS IN THE YANGTZE DELTA DURING THE LAST GLACIAL MAXIMUM[J]. Marine Geology & Quaternary Geology, 2007, 27(6): 71-75.

长江三角洲末次盛冰期的气候波动

基金项目: 

上海市人才类政府项目(05XD14015)

国家自然科学基金项目(40676033)

详细信息
    作者简介:

    覃军干(1976-),男,博士,从事孢粉和古环境研究

  • 中图分类号: P532

CLIMATE FLUCTUATIONS IN THE YANGTZE DELTA DURING THE LAST GLACIAL MAXIMUM

  • 摘要: 通过对长江三角洲东部地区鹤鸣孔第一硬黏土层的孢粉、藻类分析,研究了该地区末次盛冰期的气候波动。结果表明,鹤鸣孔第一硬黏土层含种类较丰富的孢子、花粉和藻类化石,并可以划分为3个孢粉、藻类组合,代表了该地区末次盛冰期气候变化的3个阶段,反映了该地区末次盛冰期并不是一个持续的干冷状况,第一硬黏土层沉积的早期和晚期气候较温暖湿润,针阔叶混交林发育,而中期阶段气候偏冷,植被贫乏。
    Abstract: Climate fluctuations during the Last Glacial Maximum have been a hot topic recently. Based on fern spores, pollen and algae records of the first hard clay layer from HM core,three palynomorphs assemblages were recognized and climate conditions during the LGM were discussed. Palynomorphs assemblages 1 and 3 show that mixed conifer broadleaf forest developed, indicating relatively warm and wet climate conditions,while palynomorphs assemblage 2 shows that vegetation was almost absent, indicating a cold climate.
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出版历程
  • 收稿日期:  2007-10-09
  • 修回日期:  2007-10-25

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