Collaborative Project: EaGER - CSEDI: Towards an integrated view of deep mantle structure, temperature, and composition

合作项目:EaGER - CSEDI:对深部地幔结构、温度和成分的综合看法

基本信息

  • 批准号:
    1341862
  • 负责人:
  • 金额:
    $ 13.12万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2013
  • 资助国家:
    美国
  • 起止时间:
    2013-07-01 至 2015-06-30
  • 项目状态:
    已结题

项目摘要

This Early Grant for Exploratory Research (EaGER) will support a collaborative study between mineral physicists and seismologists to try a new approach of combining mineral physics and seismology to provide new perspectives of the deep Earth. Advances in seismic imaging of the Earth's deep interior, from global to local scales, are providing structural information about convective and thermal patterns in the lower mantle. Development of first principles methodologies to tackle key mineral physics problems, e.g., thermoelastic properties, spin crossover in iron in lower mantle minerals, and anharmonic thermal properties, are greatly expanding characterization of mineral properties at deep mantle conditions.The goal and primary intellectual merit of the proposed work is to advance understanding of deep mantle structure, temperature, and composition with a transformative multidisciplinary effort to directly link seismological imaging with modeling approaches based on realistic mineral properties. The team will address an unresolved central issue in investigations of deep mantle temperature and composition: the subtle effects of spin state changes in iron in lower mantle minerals and potential seismological detection of this fundamental transition and corresponding implications for bulk chemistry of the lower mantle. Clarification of the seismic signature of spin state crossovers is a major hurdle to be overcome in mineralogical interpretations of seismological data of the deep Earth. The proposed search for spin transition signatures in the deep mantle is not without risks, but this unprecedented joint seismology/mineral-physics enterprise will pave the way for future studies of numerous fascinating structures holding keys to the nature of the deep mantle. It will open a needed first-hand dialogue between these communities and enable elasticity data to be accessible online for use by the seismology community for modeling purposes. The PIs of this study have diverse expertise that will help the team to foster a multi-disciplinary education experience at the interface between seismology and mineral physics.
EaGER将支持矿物物理学家和地震学家之间的合作研究,尝试将矿物物理学和地震学相结合的新方法,以提供地球深部的新视角。从全球尺度到局部尺度,地球深部地震成像的进展正在提供有关下地幔对流和热模式的结构信息。发展第一原理方法,以解决关键的矿物物理学问题,热弹性性质、下地幔矿物中铁的自旋交叉和非谐热性质,极大地扩展了深部地幔条件下矿物性质的表征。拟议工作的目标和主要智力价值是促进对深部地幔结构、温度、和组成与变革性的多学科的努力,直接联系地震成像与建模方法的基础上,现实的矿物特性.该团队将解决深地幔温度和成分调查中尚未解决的中心问题:下地幔矿物中铁的自旋状态变化的微妙影响,以及这种基本转变的潜在地震学检测以及对下地幔体化学的相应影响。阐明自旋态转换的地震特征是地球深部地震数据矿物学解释中需要克服的一个主要障碍。拟议的在深层地幔中寻找自旋转变特征并非没有风险,但这种前所未有的地震学/矿物物理学联合企业将为未来研究许多持有深层地幔性质钥匙的迷人结构铺平道路。它将在这些社区之间开启所需的第一手对话,并使弹性数据能够在线访问,供地震学社区用于建模目的。这项研究的PI具有不同的专业知识,这将有助于团队在地震学和矿物物理学之间的界面上培养多学科的教育经验。

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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Renata Wentzcovitch其他文献

Elasticity and acoustic velocities of $delta$-AlOOH at extreme conditions: a methodology assessment
极端条件下 $delta$-AlOOH 的弹性和声速:方法评估
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    C. Luo;Yang Sun;Renata Wentzcovitch
  • 通讯作者:
    Renata Wentzcovitch

Renata Wentzcovitch的其他文献

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{{ truncateString('Renata Wentzcovitch', 18)}}的其他基金

International Workshop on Recent Developments in Electronic Structure
电子结构最新发展国际研讨会
  • 批准号:
    2225459
  • 财政年份:
    2022
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Standard Grant
CSEDI Collaborative Research: Understanding what we see in the lower mantle - mineral physics interpretation of seismic tomographic images
CSEDI 合作研究:了解我们在下地幔中看到的东西 - 地震层析成像的矿物物理解释
  • 批准号:
    2000850
  • 财政年份:
    2020
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Continuing Grant
Collaborative Research: Thermodynamics and thermoelasticity of iron-bearing phases
合作研究:含铁相的热力学和热弹性
  • 批准号:
    1918126
  • 财政年份:
    2019
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Continuing Grant
Collaborative Research: CSEDI -Understanding Si and Fe differentiation in Earth?s mantle and core through experimental and theoretical research in geochemistry and mineral physics
合作研究:CSEDI - 通过地球化学和矿物物理的实验和理论研究了解地幔和地核中的硅和铁分异
  • 批准号:
    1503084
  • 财政年份:
    2015
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Continuing Grant
Theory of thermoelastic properties of iron bearing minerals
含铁矿物的热弹性理论
  • 批准号:
    1319361
  • 财政年份:
    2013
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Standard Grant
CAREER: Efficient DFT-based computational approach for correlated systems
职业:相关系统的基于 DFT 的高效计算方法
  • 批准号:
    1151738
  • 财政年份:
    2012
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Continuing Grant
Quantum Mechanical Modeling of Major Mantle Materials
主要地幔材料的量子力学模拟
  • 批准号:
    1019853
  • 财政年份:
    2010
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Continuing Grant
MSA Short Course: Theoretical and Computational Methods in Mineral Physics - Geophysical Applications
MSA 短期课程:矿物物理理论和计算方法 - 地球物理应用
  • 批准号:
    0952600
  • 财政年份:
    2009
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Standard Grant
CSEDI: Integrated Study of Water (H2O) in the Mantle: Processes and Signature
CSEDI:地幔中水 (H2O) 的综合研究:过程和特征
  • 批准号:
    0757903
  • 财政年份:
    2008
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Continuing Grant
Collaborative Research: Quantum Mechanical Modeling of Major Mantle Materials
合作研究:主要地幔材料的量子力学模拟
  • 批准号:
    0635990
  • 财政年份:
    2007
  • 资助金额:
    $ 13.12万
  • 项目类别:
    Continuing Grant

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