中国科学院南海海洋研究所机构知识库
Advanced  
SCSIO OpenIR  > 中科院边缘海地质重点实验室  > 期刊论文
学科主题: Physical Geography ; Geology ; Paleontology
题名: Variations in the radiolarian assemblages in the Bering Sea since Pliocene and their implications for paleoceanography
作者: Zhang, Q ; Chen, MH ; Zhang, LL ; Hu, WF ; Xiang, R
通讯作者: zhangqiang210@scsio.ac.cn ; mhchen@scsio.ac.cn ; llzhang@scsio.ac.cn ; su_dada@foxmail.com ; rxiang@scsio.ac.cn
关键词: The Bering Sea ; Site U1340 ; Pliocene ; Radiolarian assemblages ; Paleoenvironmental conditions
刊名: PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
发表日期: 2014
卷: 410, 页:337-350
收录类别: sci
部门归属: [Zhang, Qiang ; Chen, Muhong ; Zhang, Lanlan ; Hu, Weifen ; Xiang, Rong] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China ; [Zhang, Qiang ; Hu, Weifen] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
项目归属: 海洋地质
资助者: National Natural Science Foundation of China [41076026, 41276051, 91228207]; National Key Basic Research Program of China [2013CB956102]; IODP-China
摘要: Radiolarian assemblages were analyzed using samples from the IODP Site U1340 to reconstruct the paleoceanographic conditions in the Bering Sea Based on the characteristic faunal changes, the radiolarian evolution at Site U1340 was divided into four major intervals from Stages I to IV, with Stage IV divided into Substages IVa and IVb. The radiolarians in each stage recorded significant paleoenvironmental conditions. In general, the Bering Sea was governed by an ocean ecological environment with stable warm and saline surface water during Stage I (4.15 Myr to 3.91 Myr). The environment in the Bering Sea fluctuated strongly during Stage 11 (3.91 Myr to 2.75 Myr) and was controlled by the cold-water masses and sea ices during Stage III (2.75 Myr to 1.07 Myr) with the gradual development of cold and well-ventilated intermediate water. Stage IVa (1.07 Myr to 0.47 Myr) was a transitional period characterized by the enhanced formation of cold subsurface and intermediate water as well as of the oxygen-rich deep water. During Stage IVb (after 0.47 Myr), the Bering Sea was mainly characterized by enhanced warmth during interglacial episodes and well-developed water layers that were generally comparable to those of the modern Bering Sea. These conditions indicated that the vertical water-mass structure of the modern Bering Sea began to form since 0.47 Ma. Every Stage boundary in the studied core was marked by notable changes in the radiolarian assemblages. These changes corresponded to the climatic cooling event at similar to 3.91 Ma, the intensification of Northern Hemisphere glaciation at similar to 2.75 Ma, the beginning of the middle Pleistocene transition at similar to 1.07 Ma, and the low-latitude radiolarian ecology event at similar to 0.47 Ma. In addition, the relative abundance pattern of Cycladophora davisiana indicates that the Bering Sea was the main source of the past North Pacific Intermediate Water at ca. 0.85 Ma (MIS22), ca. 0.63 Ma (MIS16), and ca. 0.18 Ma (MIS6), just as it was during the last glacial maximum. (C) 2014 Elsevier B.V. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000340687700026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10604
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

Files in This Item: Download All
File Name/ File Size Content Type Version Access License
Variations in the radiolarian assemblages in the Bering Sea since Pliocene and their implications for paleoceanography.pdf(5775KB)----开放获取View Download

Recommended Citation:
Zhang, Q; Chen, MH; Zhang, LL; Hu, WF; Xiang, R.Variations in the radiolarian assemblages in the Bering Sea since Pliocene and their implications for paleoceanography,PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2014,410():337-350
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Zhang, Q]'s Articles
[Chen, MH]'s Articles
[Zhang, LL]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Zhang, Q]‘s Articles
[Chen, MH]‘s Articles
[Zhang, LL]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
文件名: Variations in the radiolarian assemblages in the Bering Sea since Pliocene and their implications for paleoceanography.pdf
格式: Adobe PDF
此文件暂不支持浏览
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Copyright © 2007-2017  中国科学院南海海洋研究所 - Feedback
Powered by CSpace