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CLIMATE FLUCTUATIONS IN THE YANGTZE DELTA DURING THE LAST GLACIAL MAXIMUM
Author(s): QIN Jun-gan, WU Guo-xuan, ZHENG Hong-bo, ZHOU Qi
Pages: 71-
75
Year: 2007
Issue:
6
Journal: MARINE GEOLOGY & QUATERNARY GEOLOGY
Keyword: 孢粉; 藻类; 硬黏土层; 末次盛冰期; 长江三角洲;
Abstract: 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.
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