南海北部B106站柱状沉积的孢粉与藻类及其古环境演变

张玉兰; 龙江平

南海北部B106站柱状沉积的孢粉与藻类及其古环境演变

张玉兰¹,
龙江平²

1 同济大学海洋与地球科学学院, 上海 200092;
2 国家海洋局第二海洋研究所, 杭州 310012

基金项目:

国家自然科学基金项目(40276021)

中国近海海洋综合调查与评价专项(908-01-CJ19)

华东师范大学河口海岸国家重点实验室基金项目(200501)

详细信息

作者简介:
张玉兰(1946-),女,教授,博士生导师,主要从事孢粉、藻类、海洋地质研究,E-mail:zhangyl@mail.tongji.edu.cn

中图分类号: P736.4
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- 文章访问数: 1656
- HTML全文浏览量: 152
- PDF下载量: 10
出版历程
- 收稿日期: 2007-04-27
- 修回日期: 2007-05-21

SPOROPOLLEN AND ALGAE RESEARCH OF CORE B106 IN THE NORTHERN SOUTH CHINA SEA AND ITS PALEOENVIRONMENTAL EVOLUTION

ZHANG Yu-lan¹,
LONG Jiang-ping²

1 School of Ocean & Earth Science, Tongji University, Shanghai 200092, China;
2 Second Institute of Oceanography, SOA, Hangzhou 310012, China

摘要

摘要: 对南海北部B106站柱状剖面进行了高分辨率孢粉与藻类研究,部分样品作了AMS¹⁴C年代测定。根据孢粉成分的变化将南海B106站从下至上划分了3个孢粉组合带,依次为:1带(294~194 cm)以Pinus-Quercus(常绿)-Gramineae-Polypodiaceae-Pterdium-Dicranopteris为主孢粉带;2带(194~94 cm)以Pinus-Quercus(常绿)-Polypodiaceae-Pteridium-Dicranopteris为主孢粉带;3带(94~4 cm)以Pinus-Polypodiaceae-Pteridium-Quercus(常绿)-Dicranopteris为主孢粉带。并相应恢复了南海北部11 000 aBP以来3个植被、气候、古环境演替阶段,结合AMS¹⁴C测年资料,对B106站柱状地层时代划分作了讨沦,为南海古气候、古环境演变研究提供了科学依据。
- 孢粉 /
- 藻类 /
- 古环境 /
- 南海
Abstract: Based on the high-resolution sporopollen and algae research of the sediments from core B106 in the northern South China Sea, three sporopollen zones have been distinguished in ascending order:
Zone 1(294~194 cm):Pinus-Quercus(evergreen)-Gramineae-Polypodiaceae-Pterdium-Dicranopteris.
Zone 2(194~94 cm):Pinus-Quercus(evergreen)-Polypodiaceae-Pteridium-Dicranopteris.
Zone 3(94~4 cm):Pinus-Polypodiaceae-Pteridium-Quercus(evergreen)-Dicranopteris.
These sporopollen zones reflect three stages of vegetation, climate and paleoenvironment evolution of the northern South China Sea since 11 000 years ago. Combined with AMS ¹⁴C dating, the sporopollen and algae data can be a scientific evidence for stratigraphic division and reconstruction of paleoclimate and paleoenvironment in the South China Sea.
- sporopollen /
- paleoenvironment /
- the South China Sea

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参考文献(23)

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