| 华北区第四纪植被演替与气候变化 |
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| 引用本文： | 周昆叔.华北区第四纪植被演替与气候变化[J].地质科学,1984,0(2):165-172. |
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| 作者姓名： | 周昆叔 |
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| 作者单位： | 中国科学院地质研究所 |
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| 摘 要： | 文中华北区是指燕山、辽南一线以南、吕梁山以东、渭河谷地与准阳丘陵以北地区。该区属暖温带,即蒙古和东北寒温带、温带区域与华中和华东亚热带区域之间的过渡地带,故第四纪冰期、间冰期气候的变化,对本区的影响表现得很强烈,它引起第四纪植被的明显演替,是我国第四纪植被变化较大的两个区域之一(另一为青藏区)。
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| 关 键 词： | , |
| 收稿时间： | 1983-02-04 |
| 修稿时间： | 1983-02-04; |
QUATERNARY SUCCESSION OF VEGETATION AND CLIMATIC EVOLUTION IN NORTH CHINA |
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| Zhou Kunshu.QUATERNARY SUCCESSION OF VEGETATION AND CLIMATIC EVOLUTION IN NORTH CHINA[J].Chinese Journal of Geology,1984,0(2):165-172. |
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| Authors: | Zhou Kunshu |
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| Institution: | Institute of Geology, Academia Sinica, Beijing |
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| Abstract: | There is a clear succession of the Quaternary vegetation in North China by the influences of the climate in the glacial and interglacial stages. According to the succession of paleo-vegetation, the Quaternary Period in the region can be divided into a number of warm and cool periods. The cool periods can be named the Nangou cool period in the early Early-Pleistocene, the Beijing cool period in the late Late-Pleistocene, and so on. The warm periods can be named the Zhangjiapo warm period in the early Middle-Pleistocene, the Zhoukoudi-an warm period in the middle Late-Pleistocene, the Liaonan warm period in Holocene, and so on.We have discovered some alternative characteristics in the evolution of paleovegetation of cool period from coniferous forests of Abies, Picea, Pinus to steppe-type vegetation of Artemisia, Chenopodiaceae and kack to coniferous forests of Pinus, Picea and Abies. Coniferous forests of Abies, Picea distributed over hills and piedmonts.The average annual temperature of the Nangou cool period was about 4℃ or much lower than that of the present, the average annual temperature of Beijing cool period was about 7.5℃ or much lower than that of the present. The lower temperature mentioned might play an important role in mountain glacial and periglacial appearance. |
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