Collaborative Research: High resolution paleoceanography in the heart of the Equatorial Pacific Cold Tongue
合作研究:赤道太平洋冷舌中心的高分辨率古海洋学
基本信息
- 批准号:1003400
- 负责人:
- 金额:$ 24.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-08-01 至 2014-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The Eastern Equatorial Pacific (EEP) plays a key role in global climate and ocean biogeochemistry. Using a recently collected series of cores from the Peruvian margin, this collaborative research generates an integrated paleoceanographic data set from this region, including alkenones, trace elements, stable isotopes, and sediment composition. These data are used to document lateral and vertical gradients in key aspects of physical, biological, and geochemical properties of the cold tongue region of the EEP. The approach is structured around three time streams of increasingly high resolution: last glacial maximum (LGM) through Termination I, the Holocene, and the last 2 millennia. The research team tests the hypothesis that the paleoceanography of the EEP has been dictated by two distinct drivers: the remote influence of the high latitude southern ocean, which dominated surface and subsurface properties from the LGM to the middle Holocene, and tropical dynamics which drove the modern El Nino-Southern Oscillation (ENSO) system over the past ~5 ky. Broader impacts include graduate and post-doctoral training, internships for disadvantaged high school students, and collaborations with South American scientists.
东赤道太平洋(EEP)在全球气候和海洋地球化学中起着重要作用。利用最近从秘鲁边缘收集的一系列岩心,这项合作研究产生了一个综合的古海洋学数据集,包括烯酮,微量元素,稳定同位素和沉积物组成。这些数据被用来记录横向和垂直梯度的物理,生物和地球化学性质的关键方面的冷舌区域的EEP。该方法是围绕三个时间流的分辨率越来越高:末次冰期最大(LGM)通过终端I,全新世,和过去的2000年。 研究小组测试了EEP的古海洋学由两个不同的驱动因素决定的假设:高纬度南大洋的远程影响,从LGM到全新世中期主导了地表和地下特性,以及在过去约5 ky驱动现代厄尔尼诺南方涛动(ENSO)系统的热带动力学。更广泛的影响包括研究生和博士后培训,为弱势高中生提供实习机会,以及与南美科学家的合作。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Yair Rosenthal其他文献
The effect of carbonate chemistry on trace element incorporation in high-Mg calcitic foraminifera
碳酸盐化学作用对高镁方解石有孔虫中微量元素结合的影响
- DOI:
10.1016/j.gca.2024.11.022 - 发表时间:
2025-02-01 - 期刊:
- 影响因子:5.000
- 作者:
Hagar Hauzer;David Evans;Wolfgang Müller;Yair Rosenthal;Jonathan Erez - 通讯作者:
Jonathan Erez
Equatorial Pacific bulk sediment <em>δ</em><sup>15</sup>N supports a secular increase in Southern Ocean nitrate utilization after the mid-Pleistocene Transition
- DOI:
10.1016/j.quascirev.2021.107348 - 发表时间:
2022-02-15 - 期刊:
- 影响因子:
- 作者:
Jonathan E. Lambert;Kelly A. Gibson;Braddock K. Linsley;Samantha C. Bova;Yair Rosenthal;Mina Surprenant - 通讯作者:
Mina Surprenant
Eastern Arabian Sea COsub2/sub outgassing during the last deglaciation and Holocene related to deep-water carbonate chemistry
末次冰消期和全新世期间阿拉伯海东部二氧化碳排放与深水碳酸盐化学有关
- DOI:
10.1016/j.quascirev.2023.108326 - 发表时间:
2023-11-01 - 期刊:
- 影响因子:3.300
- 作者:
Smita N. Naik;Sushant S. Naik;Yair Rosenthal;Vincent Clementi - 通讯作者:
Vincent Clementi
Evolution of meridional and zonal sea surface temperature gradients in the Pacific Ocean during the Quaternary period
第四纪太平洋经向和纬向海面温度梯度的演变
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
Takuya Sagawa;Risako Makino;Yukimi Kubota;Yoshimi Kubota;Yair Rosenthal - 通讯作者:
Yair Rosenthal
The I/Ca paleo-oxygenation proxy in planktonic foraminifera: A multispecies core-top calibration
浮游有孔虫中的 I/Ca 古氧代理指标:多物种核心顶部校准
- DOI:
10.1016/j.gca.2025.01.018 - 发表时间:
2025-03-15 - 期刊:
- 影响因子:5.000
- 作者:
Anya V. Hess;Yair Rosenthal;Xiaoli Zhou;Kaixuan Bu - 通讯作者:
Kaixuan Bu
Yair Rosenthal的其他文献
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{{ truncateString('Yair Rosenthal', 18)}}的其他基金
Collaborative Research: Correcting sea surface temperature proxies for seasonal biases: combined data and model investigation
合作研究:修正海面温度代理的季节性偏差:结合数据和模型研究
- 批准号:
2202818 - 财政年份:2022
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
Global and regional perspectives of Pleistocene paleoceanography in the western Pacific warm pool based on new sites from IODP Expedition 363
基于 IODP 363 号远征新地点的西太平洋暖池更新世古海洋学的全球和区域视角
- 批准号:
1834208 - 财政年份:2018
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
NSFOCE-BSF: Foraminiferal Na/Ca: a new proxy for reconstructing Cenozoic seawater composition
NSFOCE-BSF:有孔虫Na/Ca:重建新生代海水成分的新代理
- 批准号:
1634573 - 财政年份:2016
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
Site survey and coring of potential IODP drill sites in the Western Pacific Warm Pool
西太平洋暖池潜在 IODP 钻探地点的现场调查和取芯
- 批准号:
1131371 - 财政年份:2013
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
Deep Ocean Sensitivity to, and Role in the Transition from mid-Pliocene Warmth to Northern Hemisphere Glaciation
深海对上新世中期温暖向北半球冰川转变的敏感性及其作用
- 批准号:
1334691 - 财政年份:2013
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
Collaborative Research: Temperature reconstruction of the western equatorial Pacific thermocline during the last ~2000 years: a paleo perspective for modern observations
合作研究:近2000年西赤道太平洋温跃层的温度重建:现代观测的古视角
- 批准号:
0902977 - 财政年份:2009
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
Planning Visit in Support of a Collaborative Paleoclimate Study Between USA and Indonesian Scientists
计划访问以支持美国和印度尼西亚科学家之间的古气候合作研究
- 批准号:
0945029 - 财政年份:2009
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
Foraminifera as a proxy for seawater neodymium: Core-top calibration and down-core application for reconstructing Holocene variability in the Indonesian Throughflow (ITF)
有孔虫作为海水钕的代表:岩心顶部校准和岩心下应用,用于重建印度尼西亚贯穿流(ITF)中的全新世变异性
- 批准号:
0851954 - 财政年份:2009
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
Collaborative Research: Reconstructing Holocene Climate Variability and the Indonesian throughflow in the Western Equatorial Pacific
合作研究:重建全新世气候变率和西赤道太平洋的印度尼西亚通流
- 批准号:
0502504 - 财政年份:2005
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
Assessing the effects of calcite saturation on the benthic foraminiferal Mg/Ca-temperature relationship using a homothermal depth transect in the Norwegian Sea
使用挪威海恒温深度样线评估方解石饱和度对底栖有孔虫 Mg/Ca-温度关系的影响
- 批准号:
0341412 - 财政年份:2004
- 资助金额:
$ 24.5万 - 项目类别:
Standard Grant
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