Changes in the thermocline structure of the Indonesian outflow during Terminations I and II
文献类型：期刊论文
| 作者 | Xu, J ; Holbourn, A ; Kuhnt, WG ; Jian, ZM ; Kawamura, H |
| 刊名 | EARTH AND PLANETARY SCIENCE LETTERS
 |
| 出版日期 | 2008 |
| 卷号 | 273期号:40545页码:152-162 |
| 关键词 | sea surface temperature thermocline temperature Indonesian throughflow Timor sea Terminations I Termination II |
| ISSN号 | 0012-821X |
| 通讯作者 | jx@gpi.uni-kiel.de |
| 中文摘要 | We present centennial records of sea surface and upper thermocline temperatures in Core MD01-2378 from the Timor Sea, which provide new insights into the variability of the Indonesian outflow across the last two glacial terminations. Mg/Ca in Globigerinoides ruber (white s. s.) indicates an overall increase of 3.2 degrees C in sea surface temperature (SST) over Termination I. Following an early Holocene plateau at 11.3-6.4 ka, SSTs cooled by 0.6 degrees C during the middle to late Holocene (6.4-0.7 ka). The early Holocene warming occurred in phase with increasing northern hemisphere summer insolation, coinciding with northward displacement of the Intertropical Convergence Zone, enhanced boreal summer monsoon and expansion of the Indo-Pacific Warm Pool. Thermocline temperatures (Pulleniatina obliquiloculata Mg/Ca) gradually decreased from 24.5 to 21.5 degrees C since 10.3 ka, reflecting intensification of a cool thermocline throughflow. The vertical structure of the upper ocean in the Timor Sea evolved in similar fashion during the Holocene and MIS5e, although the duration of SST plateaux differed (11.3 to 6.4 ka in Termination I and from 129 to 119 ka in Termination 11), which was probably due to the more intense northern hemisphere summer insolation during MIS 5e. During both terminations, SST increased simultaneously in the southern high latitudes and the tropical eastern Indian Ocean, suggesting virtually instantaneous atmospheric climate feedbacks between the high and low latitudes. (C) 2008 Elsevier B.V. All rights reserved. |
| 学科主题 | Geochemistry & Geophysics |
| 收录类别 | SCI |
| 原文出处 | ELSEVIER SCIENCE BV |
| 公开日期 | 2011-07-14 |
| 源URL | [http://ir.scsio.ac.cn/handle/344004/8429]  |
| 专题 | 南海海洋研究所_海洋科技动态信息-印太暖池系统研究 |
| 推荐引用方式 GB/T 7714 | Xu, J,Holbourn, A,Kuhnt, WG,et al. Changes in the thermocline structure of the Indonesian outflow during Terminations I and II[J]. EARTH AND PLANETARY SCIENCE LETTERS,2008,273(40545):152-162. |
| APA | Xu, J,Holbourn, A,Kuhnt, WG,Jian, ZM,&Kawamura, H.(2008).Changes in the thermocline structure of the Indonesian outflow during Terminations I and II.EARTH AND PLANETARY SCIENCE LETTERS,273(40545),152-162. |
| MLA | Xu, J,et al."Changes in the thermocline structure of the Indonesian outflow during Terminations I and II".EARTH AND PLANETARY SCIENCE LETTERS 273.40545(2008):152-162. |
入库方式： OAI收割
来源：南海海洋研究所
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