Collaborative Research: A Deep-AUV Magnetic and Seismic Study of the Hawaiian Jurassic Crust - The Global Significance of Jurassic Magnetic Anomalies

合作研究:夏威夷侏罗纪地壳深部 AUV 磁和地震研究 - 侏罗纪磁异常的全球意义

基本信息

  • 批准号:
    1029965
  • 负责人:
  • 金额:
    $ 57.28万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2010
  • 资助国家:
    美国
  • 起止时间:
    2010-09-15 至 2016-08-31
  • 项目状态:
    已结题

项目摘要

Funds are provided for a two-year study, initially involving a 42-day cruise to collect two high-resolution seismic profiles and near-bottom magnetic field data from the Hawaiian Lineation Jurassic Magnetic Quiet Zone (JMQZ) using an AUV. The PIs plan to obtain 800 km long magnetic profiles as well as local seismic reflection and refraction data using a portable multichannel seismic system and sonobuoys. Seismic data will allow them to evaluate whether the Jurassic crust has been affected by later intra-plate Cretaceous volcanism. This magnetic data will be compared to the previously studied JMQZ data from the Japanese Lineation. The latter reveals rapid reversal and decreasing field intensity as well as a period of apparently incoherent anomalies with short wave lengths and low amplitudes. If real and global (as opposed to a local bad signal) this low amplitude zone represents an very unusual field behavior in Earth?s magnetic field history. The new data from Hawaii and its comparison with Japanese results will allow testing the hypothesis that this unusual field behavior was indeed global, which has important implications for dynamics of the deep Earth and for the construction of a robust geomagnetic polarity time scale for the Mid-Jurassic period.Broader impacts include discovery while promoting teaching and training at sea for graduate and undergraduate students. Public outreach is also planned through internet and WHOI exhibits. The scientific results could have far reaching implications for Earth dynamics, magnetic field behavior and geomagnetic polarity time scale and useful to other workers in the field.
为一项为期两年的研究提供了资金,最初包括一次为期42天的航行,利用自动潜水器从夏威夷线性侏罗纪磁静区收集两个高分辨率地震剖面和近海底磁场数据。研究所计划利用便携式多通道地震系统和声纳浮标获取800公里长的磁剖面以及当地地震反射和折射数据。地震数据将使他们能够评估侏罗纪地壳是否受到后期板内白垩纪火山活动的影响。这一磁测数据将与先前研究的日本线理JMQZ数据进行比较。后者揭示了快速反转和降低的场强以及一段明显的非相干异常,波长短,振幅低。如果真实的和全球(而不是一个局部的坏信号),这个低振幅区代表了一个非常不寻常的领域在地球上的行为?的磁场历史。来自夏威夷的新数据及其与日本结果的比较将允许检验这种不寻常的场行为确实是全球性的假设,这对地球深处的动力学和建立强有力的地磁极性具有重要影响侏罗纪中期的时间尺度。更广泛的影响包括发现,同时促进研究生和本科生的海上教学和培训。还计划通过互联网和世界卫生组织展览向公众宣传。科学结果可能对地球动力学,磁场行为和地磁极性时间尺度产生深远的影响,并对该领域的其他工作者有用。

项目成果

期刊论文数量(0)
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Daniel Lizarralde其他文献

Nitrogen isotope homogenization of dissolved ammonium with depth and <sup>15</sup>N enrichment of ammonium during incorporation into expandable layer silicates in organic-rich marine sediment from Guaymas Basin, Gulf of California
  • DOI:
    10.1016/j.chemgeo.2024.122203
  • 发表时间:
    2024-10-20
  • 期刊:
  • 影响因子:
  • 作者:
    Toshiro Yamanaka;Arisa Sakamoto;Kanon Kiyokawa;Jaeguk Jo;Yuji Onishi;Yoshihiro Kuwahara;Ji-Hoon Kim;Lucie C. Pastor;Andreas Teske;Daniel Lizarralde;Tobias W. Höfig;Ivano W. Aiello;Jeanine L. Ash;Diana P. Bojanova;Martine D. Buatier;Virginia P. Edgcomb;Christophe Y. Galerne;Swanne Gontharet;Verena B. Heuer;Shijun Jiang
  • 通讯作者:
    Shijun Jiang
IODP Expedition 385: Guaymas Basin Tectonics and Biosphere
IODP 385 号探险队:瓜伊马斯盆地构造和生物圈
  • DOI:
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Yuki Morono;Andreas Teske;Daniel Lizarralde;Tobias W Hofig;IODP EXPEDITION 385 SCIENTISTS
  • 通讯作者:
    IODP EXPEDITION 385 SCIENTISTS
Nitrogen isotope homogenization of dissolved ammonium with depth and sup15/supN enrichment of ammonium during incorporation into expandable layer silicates in organic-rich marine sediment from Guaymas Basin, Gulf of California
加利福尼亚湾瓜伊马斯盆地富含有机质的海洋沉积物中,溶解态铵随深度的氮同位素均一化以及铵在纳入膨胀层硅酸盐过程中的δ¹⁵N富集
  • DOI:
    10.1016/j.chemgeo.2024.122203
  • 发表时间:
    2024-10-20
  • 期刊:
  • 影响因子:
    3.600
  • 作者:
    Toshiro Yamanaka;Arisa Sakamoto;Kanon Kiyokawa;Jaeguk Jo;Yuji Onishi;Yoshihiro Kuwahara;Ji-Hoon Kim;Lucie C. Pastor;Andreas Teske;Daniel Lizarralde;Tobias W. Höfig;Ivano W. Aiello;Jeanine L. Ash;Diana P. Bojanova;Martine D. Buatier;Virginia P. Edgcomb;Christophe Y. Galerne;Swanne Gontharet;Verena B. Heuer;Shijun Jiang;Guangchao Zhuang
  • 通讯作者:
    Guangchao Zhuang
Nitrogen isotope homogenization of dissolved ammonium through depth and 15N enrichment of ammonium during the incorporation into expandable layer silicates occurred in organic-rich marine sediment from Guaymas Basin, Gulf of California
加利福尼亚湾瓜伊马斯盆地富含有机物的海洋沉积物中溶解铵在掺入可膨胀层状硅酸盐过程中随深度的氮同位素均化和铵的 15N 富集
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    3.9
  • 作者:
    Toshiro Yamanaka;Arisa Sakamoto;Kanon Kiyokawa;Jo JaeGuk;Yuji Onishi;Yoshihiro Kuwahara;Ji;Lucie C. Pastor;Andreas Teske;Daniel Lizarralde;Tobias W. Höfig
  • 通讯作者:
    Tobias W. Höfig
Climate change regulated carbonate production and accumulation in the Guaymas Basin over the past ca. 450,000 years
在过去约45万年里,气候变化调节了瓜伊马斯盆地碳酸盐的产生和积累。
  • DOI:
    10.1016/j.palaeo.2025.112864
  • 发表时间:
    2025-05-15
  • 期刊:
  • 影响因子:
    2.700
  • 作者:
    Hong Peng;Yuchen Zheng;Meng Zhou;Yasu Wang;Lihua Ran;Han Jiang;Ligia Pérez-Cruz;Rafael Venegas;Tobias Höfig;Andreas Teske;Daniel Lizarralde;Kathleen Marsaglia;IODP Expedition 385 Scientist;Ying Cui;Shijun Jiang
  • 通讯作者:
    Shijun Jiang

Daniel Lizarralde的其他文献

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{{ truncateString('Daniel Lizarralde', 18)}}的其他基金

Collaborative Research: Chain Transform Fault: Understanding the dynamic behavior of a slow-slipping oceanic transform system
合作研究:链变换断层:了解慢滑海洋变换系统的动态行为
  • 批准号:
    2318854
  • 财政年份:
    2024
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Continuing Grant
Collaborative Research: A Seismic Study of Oceanic-Arc Crustal Construction Processes at the Archetypal Andreanof Segment of the Aleutian Arc
合作研究:阿留申弧原型安德里亚诺夫段大洋弧地壳构造过程的地震研究
  • 批准号:
    1753704
  • 财政年份:
    2019
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Continuing Grant
Analyses of New High Resolution MCS Data from Guaymas Basin, Gulf of California
加利福尼亚湾瓜伊马斯盆地新的高分辨率 MCS 数据分析
  • 批准号:
    1658034
  • 财政年份:
    2017
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Standard Grant
High-Resolution Imaging of Material Properties in the Cascadia Subduction Zone
卡斯卡迪亚俯冲带物质特性的高分辨率成像
  • 批准号:
    1520690
  • 财政年份:
    2015
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Continuing Grant
Collaborative Research: A Community Seismic Experiment Targeting the Pre-, Syn- and Post-Rift Evolution of the Mid-Atlantic US Margin
合作研究:针对美国大西洋中部边缘裂谷前、同裂谷和裂谷后演化的社区地震实验
  • 批准号:
    1348342
  • 财政年份:
    2013
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Continuing Grant
A High-Resolution Deep-AUV Magnetic Survey of the Hawaiian Jurassic Basin
夏威夷侏罗纪盆地高分辨率深水 AUV 磁力勘测
  • 批准号:
    1233000
  • 财政年份:
    2013
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Standard Grant
Collaborative Research: Rifting, Magmatism, and Lithospheric Sutures; Crustal Imaging of the South Georgia Basin and Suwanee Suture
合作研究:裂谷作用、岩浆作用和岩石圈缝合线;
  • 批准号:
    1144829
  • 财政年份:
    2012
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Continuing Grant
Collaborative Research: Structure and Composition of Oceanic Lithosphere and the Lithosphere/Asthenosphere Boundary
合作研究:海洋岩石圈的结构和组成以及岩石圈/软流圈边界
  • 批准号:
    0928663
  • 财政年份:
    2010
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Continuing Grant
Collaborative Research: Mantle Serpentinization and Water Cycling Through the Mariana Trench and Forearc
合作研究:马里亚纳海沟和弧前的地幔蛇纹石化和水循环
  • 批准号:
    0841063
  • 财政年份:
    2010
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Continuing Grant
Off-axis Sills of Guaymas Basin: Implications for Thermogenic-carbon Flux of a Sedimented Rift Basin
瓜伊马斯盆地的离轴基台:对沉积裂谷盆地生热碳通量的影响
  • 批准号:
    0751901
  • 财政年份:
    2008
  • 资助金额:
    $ 57.28万
  • 项目类别:
    Continuing Grant

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合作研究:地球深层和浅层挥发性循环之间联系的地球物理和地球化学调查
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