Collaborative Research: Integrating tectonics, climate, and mammal diversity

合作研究:整合构造、气候和哺乳动物多样性

基本信息

  • 批准号:
    1814051
  • 负责人:
  • 金额:
    $ 43.61万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-09-01 至 2024-08-31
  • 项目状态:
    已结题

项目摘要

The researchers seek to understand how movement of tectonic plates, which produced major mountain barriers and influenced regional climate, controlled the evolution and geographic distribution of mammals in western North America. The EarthScope Transportable Array, a network of seismic stations, has produced data that allow an unprecedented view of the Earth's structure in the western United States, providing a unique starting point from which to consider how it came to have the 3-D structure that is imaged by seismic methods. This, combined with a rich published record of structures that record changes in plate tectonics and deformation history over the past 36 Ma, allows us to estimate crustal thickness and topography throughout the western US over this important interval in mammal evolution. The researchers propose to use 3D models to understand the collapse of topography in the western US, which led to marked changes in mammal diversification that coincide with changes in the strain rates recorded in the fault movement record. The research will be accomplished through collaboration of teams that will 1) Improve dating of the sedimentary record that contains the mammalian record, as well as focused sampling of fossils from under-represented areas and time intervals, 2) produce 3D models for lithosphere modification that account for changes in heat flux and boundary conditions, 3) model regional climate that builds on topographic constraints, 4) analyze mammal speciation and diversification and its links over time with topography and climatic gradients, and 5) synthesize all of the results into a 4D model for change through the past 36 Ma. The ultimate goal is to produce a more fundamental understanding of the factors responsible for crustal and topographic changes and how these influence mammal speciation and diversification. The quantitative analysis of crust and mantle dynamics provides an important framework for advancing knowledge in fields linked to the economic geology (mineral belts) of the southwestern US. The research will provide valuable technical training to high school, undergraduate, graduate and post-doctoral researchers. The collaborative team will develop several outreach products, including an informational video for the general public, materials for museum presentations and exhibits at the University of Michigan Museum of Natural History, the departmental Museum Display at Stony Brook, and materials for talks and presentations to the public.The integrated topography model shows a Nevadaplano of ~4.36 +/- 0.4 km (1-sigma) average elevation in central, eastern, and southern Nevada, western Utah, parts of easternmost California, and central portions of westernmost Arizona at 36 Ma. Our model shows that highlands of the Nevadaplano connected to a continuous mountain chain through southeastern Arizona and into northern Mexico. This topography results from the long history of crustal shortening from Sevier - Laramide orogenies. The topography of this massive range collapsed from 36 Ma to the present, leading to as much as 200% extension, the present-day Basin and Range, and exhumation of metamorphic core complexes along the belt of thickened crust. Distributions of lithospheric body forces continue to drive this collapse today. Differences in gravitational potential energy are known to drive extensional deformation, particularly in regions of extreme topography. Yet the reasons for the timing of the collapse, along with the magnitudes and distributions of deviatoric stresses responsible for the collapse, remain enigmatic. The changing topography associated with extensional collapse dramatically altered the climate and mammal diversity dynamics of the western Cordillera. Our research targets three topics within the Integrated Earth System: (1) The topography, distribution, and 3-D deviatoric stresses responsible for the collapse history, (2) The climatic response to the collapse and generation of climate gradients, and (3) The response of mammal lineages and faunas to changing topographic and climate gradients and removal of topographic barriers. No previous study of climate gradients and their impact on mammal diversity has ever been integrated with quantitative kinematic and dynamic reconstructions of continental deformation. The intellectual merit of this study involves the power of combining these fields, while incorporating formal uncertainties in models at all stages of analysis.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
研究人员试图了解构造板块的运动如何控制北美西部哺乳动物的进化和地理分布,板块运动产生了主要的山脉屏障并影响了区域气候。 EarthScope 可移动阵列是一个地震台网络,它产生的数据可以让我们对美国西部的地球结构进行前所未有的观察,为考虑如何形成通过地震方法成像的 3D 结构提供了一个独特的起点。这与记录了过去 36 Ma 期间板块构造和变形历史变化的丰富已发表的结构记录相结合,使我们能够估计哺乳动物进化中这一重要时期整个美国西部的地壳厚度和地形。研究人员建议使用 3D 模型来了解美国西部地形的塌陷,这种塌陷导致哺乳动物多样化发生显着变化,这与断层运动记录中记录的应变率的变化相一致。这项研究将通过多个团队的合作来完成,这些团队将:1)改进包含哺乳动物记录的沉积记录的年代测定,以及对来自代表性不足的地区和时间间隔的化石进行集中采样,2)产生用于解释热通量和边界条件变化的岩石圈修改的3D模型,3)建立在地形限制的模型区域气候,4)分析哺乳动物的物种形成和多样化及其 随时间的推移与地形和气候梯度联系起来,5) 将所有结果合成到 4D 模型中,以反映过去 36 Ma 的变化。最终目标是对导致地壳和地形变化的因素以及这些因素如何影响哺乳动物的物种形成和多样化有更基本的了解。地壳和地幔动力学的定量分析为推进美国西南部经济地质(矿带)相关领域的知识提供了重要框架。该研究将为高中、本科生、研究生和博士后研究人员提供宝贵的技术培训。合作团队将开发多种外展产品,包括面向公众的信息视频、密歇根大学自然历史博物馆的博物馆演示和展览材料、石溪部门博物馆展示以及向公众演讲和演示的材料。综合地形模型显示,内华达州中部、东部和南部、西部地区的内华达普拉诺平均海拔约为 4.36 +/- 0.4 公里(1 西格玛)。 犹他州、加利福尼亚州最东部的部分地区以及亚利桑那州最西部的中部地区,36 Ma。我们的模型显示,内华达普拉诺高地与一条连续的山脉相连,穿过亚利桑那州东南部并进入墨西哥北部。这种地形是由塞维尔-拉拉米德造山运动造成的地壳缩短的悠久历史造成的。这个巨大山脉的地形从 36 Ma 至今塌陷,导致了多达 200% 的延伸,形成了今天的盆地和山脉,并沿着增厚的地壳带折返了变质核杂岩。今天,岩石圈体力的分布继续推动着这次崩塌。已知重力势能的差异会驱动拉伸变形,特别是在极端地形的区域。然而,塌陷时间的原因以及导致塌陷的偏应力的大小和分布仍然是个谜。与伸展塌陷相关的地形变化极大地改变了西部科迪勒拉山脉的气候和哺乳动物多样性动态。我们的研究针对综合地球系统内的三个主题:(1) 地形、分布和导致塌陷历史的 3-D 偏应力;(2) 对塌陷和气候梯度产生的气候响应;(3) 哺乳动物谱系和动物区系对地形和气候梯度变化以及地形障碍消除的响应。先前对气候梯度及其对哺乳动物多样性影响的研究从未与大陆变形的定量运动学和动态重建相结合。这项研究的智力价值涉及将这些领域结合起来的力量,同时在所有分析阶段将形式不确定性纳入模型中。该奖项反映了 NSF 的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Vein fluorite U-Pb dating demonstrates post–6.2 Ma rare-earth element mobilization associated with Rio Grande rifting
  • DOI:
    10.1130/ges02139.1
  • 发表时间:
    2019-12
  • 期刊:
  • 影响因子:
    2.5
  • 作者:
    G. Piccione;E. Rasbury;Brent A. Elliott;J. Richard Kyle;Stephen J. Jaret;Alvin S. Acerbo;A. Lanzirotti;P. Northrup;Kathleen M. Wooton;Randall R. Parrish
  • 通讯作者:
    G. Piccione;E. Rasbury;Brent A. Elliott;J. Richard Kyle;Stephen J. Jaret;Alvin S. Acerbo;A. Lanzirotti;P. Northrup;Kathleen M. Wooton;Randall R. Parrish
Geodynamic evolution of southwestern North America since the Late Eocene
  • DOI:
    10.1038/s41467-019-12950-8
  • 发表时间:
    2019-11-18
  • 期刊:
  • 影响因子:
    16.6
  • 作者:
    Bahadori, Alireza;Holt, William E.
  • 通讯作者:
    Holt, William E.
Earliest Jurassic U-Pb ages from carbonate deposits in the Navajo Sandstone, southeastern Utah, USA
  • DOI:
    10.1130/g46338.1
  • 发表时间:
    2019-11
  • 期刊:
  • 影响因子:
    5.8
  • 作者:
    J. Parrish;E. Rasbury;M. Chan;S. Hasiotis
  • 通讯作者:
    J. Parrish;E. Rasbury;M. Chan;S. Hasiotis
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William Holt其他文献

Cryobiology, wildlife conservation and reality; an ongoing dilemma!
  • DOI:
    10.1016/j.cryobiol.2024.105009
  • 发表时间:
    2024-12-01
  • 期刊:
  • 影响因子:
  • 作者:
    William Holt;Pierre Comizzoli
  • 通讯作者:
    Pierre Comizzoli
前立腺癌におけるmiR-15aの発現と機能解析
miR-15a在前列腺癌中的表达及功能分析
  • DOI:
  • 发表时间:
    2009
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Hiroki Kubota;Kevin Coward;Olivia Hibbitt;Nilendran Prathalingam;William Holt;Kenjiro Kohri;John Parrington;Satoko Kojima;小島聡子;Satoko Kojima;小島聡子;小島聡子
  • 通讯作者:
    小島聡子
025 Freezing mammalian semen: If only all sperm were equal!
  • DOI:
    10.1016/j.cryobiol.2013.09.031
  • 发表时间:
    2013-12-01
  • 期刊:
  • 影响因子:
  • 作者:
    William Holt
  • 通讯作者:
    William Holt
STAIR X: Emerging Considerations in Developing and Evaluating New Stroke Therapies
STAIR X:开发和评估新中风疗法的新考虑因素
  • DOI:
    10.1161/strokeaha.118.021424
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    8.3
  • 作者:
    D. Liebeskind;C. Derdeyn;L. Wechsler;G. Albers;Eric Ankerud;J. Boltze;J. Broderick;B. Campbell;M. Elkind;Derick C. En'Wezoh;A. Furlan;P. Gorelick;J. Grotta;D. Hess;Aneeka M Hancock;Michael D. Hill;William Holt;R. Hutchison;Won;M. Lansberg;S. LaScalza;L. Latour;Michael J. Liberman;M. Luby;P. Lyden;S. Majidi;C. Mansi;R. Nogueira;J. Saver;S. Savitz;L. Schwamm;M. Selim;K. Sheth;A. Simpkins;A. Singhal;Y. Solberg;G. Steinberg;T. Taylor;M. Tymianski;A. Yoo
  • 通讯作者:
    A. Yoo
miR-15a/16-1 duster controls prostate cancer proliferation by targeting Bc12 activities
miR-15a/16-1 除尘器通过靶向 Bc12 活性来控制前列腺癌增殖
  • DOI:
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Hiroki Kubota;Kevin Coward;Olivia Hibbitt;Nilendran Prathalingam;William Holt;Kenjiro Kohri;John Parrington;Satoko Kojima;小島聡子;Satoko Kojima;小島聡子;小島聡子;小島聡子;小島聡子;小島聡子
  • 通讯作者:
    小島聡子

William Holt的其他文献

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{{ truncateString('William Holt', 18)}}的其他基金

Collaborative Research: Integrating Fluorspar Ages and Geophysical Models to Constrain the Timing and Mechanisms of the Collapse of the Cordillera in SW North America
合作研究:整合萤石年龄和地球物理模型来约束北美西南部科迪勒拉山脉塌陷的时间和机制
  • 批准号:
    2317868
  • 财政年份:
    2023
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Continuing Grant
Structure of the North American Continent Using EarthScope USArray Data and Applied Wave Gradiometry Methods
使用 EarthScope USArray 数据和应用波梯度测量方法研究北美大陆的结构
  • 批准号:
    1358613
  • 财政年份:
    2014
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Continuing Grant
Constraints on the Rheology of the Lithosphere in Western North America from Observationally Driven Dynamic Models
观测驱动的动力学模型对北美西部岩石圈流变学的约束
  • 批准号:
    1246971
  • 财政年份:
    2013
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Continuing Grant
Collaborative Research: Dynamics of Crust-Mantle Coupling through Combined Analysis and Modeling of EarthScope Seismic, Geodetic, and Geologic Data
合作研究:通过 EarthScope 地震、大地测量和地质数据的组合分析和建模研究壳幔耦合动力学
  • 批准号:
    1052989
  • 财政年份:
    2011
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Continuing Grant
Observationally Constrained High Resolution Dynamics of the Present-Day Lithosphere-Mantle System
当今岩石圈-地幔系统的观测约束高分辨率动力学
  • 批准号:
    0911300
  • 财政年份:
    2009
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Standard Grant
COLLABORATIVE RESEARCH: Determination of time-dependent velocity and velocity gradient fields for EarthScope
合作研究:确定 EarthScope 的时间相关速度和速度梯度场
  • 批准号:
    0545606
  • 财政年份:
    2006
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Standard Grant
Dynamically Self-Consistent Contstraints on the Long-Term Strength of Faults in Western North America
北美西部断层长期强度的动态自洽约束
  • 批准号:
    0538437
  • 财政年份:
    2006
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Standard Grant
Collaborative Proposal: Map Tools for EarthScope Science and Education
协作提案:EarthScope 科学和教育地图工具
  • 批准号:
    0346051
  • 财政年份:
    2004
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Standard Grant
Collaborative research: Determination of time-dependent velocity and velocity gradient fields for Earthscope
合作研究:确定 Earthscope 的时间相关速度和速度梯度场
  • 批准号:
    0346063
  • 财政年份:
    2004
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Continuing Grant
Integrating Lithospheric Dynamics, Geophysical Observations, and Three-Dimensional Whole Earth Dynamics
整合岩石圈动力学、地球物理观测和三维全地球动力学
  • 批准号:
    0310193
  • 财政年份:
    2003
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Continuing Grant

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Collaborative Research: BoCP-Implementation: Alpine plants as a model system for biodiversity dynamics in a warming world: Integrating genetic, functional, and community approaches
合作研究:BoCP-实施:高山植物作为变暖世界中生物多样性动态的模型系统:整合遗传、功能和社区方法
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  • 项目类别:
    Standard Grant
IntBIO: Collaborative Research: Phenotypes of the Anthropocene: integrating the consequences of sensory stressors across biological scales
IntBIO:合作研究:人类世的表型:整合跨生物尺度的感觉压力源的后果
  • 批准号:
    2316364
  • 财政年份:
    2023
  • 资助金额:
    $ 43.61万
  • 项目类别:
    Standard Grant
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