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宁夏灵武水洞沟遗址全新世的古气候环境 Holocene Paleo-Climatic Environment in Ruins of the Shuidonggou, Ningxia

Description : 分析宁夏灵武水洞沟遗址剖面19个样品,将孢粉图式分为Ⅰ、Ⅱ、Ⅲ3个带,分别对应早、中、晚3个时期的孢粉带。Ⅰ带为藜、蒿和毛茛-豆科优势带;Ⅱ带为榆、榛、桦、鹅耳枥、栎优势带;Ⅲ带为藜科优势带。结果表明:早全新世植被为疏林草原、干草原-草甸草原,气候偏干冷-温和半湿润;中全新世早期植被为阔叶乔灌丛草原-针叶乔灌丛草原-阔叶疏林草原,气候温暖较干-寒冷较干-较暖较干;晚期植被为疏林草原,气候相对温暖、稍凉-较温暖;晚全新世植被为干草原,气候寒冷。[著者文摘] , With a series of geological investigation, intensive samples chosen and...
Language(s) : Undetermined
Subject(s) : 古气候环境 , 全新世 , 宁夏水洞沟 , paleo-climatic environment , Holocene , Shuidonggou, Ningxia
Publisher(s) :
Contributor(s) :
Source(s) : 《 吉林大学学报:地球科学版 》 Journal of Jilin Unviersity:Earth Science Edition
Publication Date(s) : 2007-09-25