Collaborative Research: Continued Study of Physical Properties of the WAIS Divide Deep Core

合作研究:继续研究 WAIS 鸿沟深核的物理特性

基本信息

  • 批准号:
    1043313
  • 负责人:
  • 金额:
    $ 12.02万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2011
  • 资助国家:
    美国
  • 起止时间:
    2011-06-01 至 2014-05-31
  • 项目状态:
    已结题

项目摘要

1043528/AlleyThis award supports a project to complete the physical-properties studies of the WAIS Divide deep ice core, now being collected in West Antarctica. Ongoing work funded by NSF, under a grant that is ending, has produced visible stratigraphy dating, inspection of the core for any melt layers, volcanic horizons, flow disturbances or other features, analysis of bubble number-densities allowing reconstruction of a two-millennial cooling trend in the latter Holocene at the site, characterization of other bubble characteristics (size, etc.), density studies, characterization of snow-surface changes at the site, preliminary c-axis studies, and more. The current proposal seeks to complete this work, once the rest of the core is recovered. The intellectual merit of the proposed activity starts with quality assurance for the core, by visual detection of any evidence of flow disturbances that would disrupt the integrity of the climate record. Inspection will also reveal any melt layers, volcanic horizons, etc. Annual-layer dating will be conducted; thus far, the visible strata have not been as useful as some other indicators, but the possibility (based on experience in Greenland) that visible examination will allow detection of thinner annual layers than other techniques motivates the effort. Bubble number-density will be used to reconstruct temperature changes through the rest of the bubbly part of the core, providing important paleoclimatic data for earlier parts of the Holocene. Coordinated interpretation of c-axis fabrics, grain sizes and shapes, and bubble characteristics will be used to learn about the history of ice flow, the processes of ice flow, and the softness of the ice for additional deformation. Analysis of surface data already collected will improve interpretation of the layering of the core. It is possible that the annual-layer dating will not be sufficiently successful, and that the core will be undisturbed with no melt layers; if so, then these efforts will not yield major publications. However, success of the other efforts should produce improved understanding of the history and stability of the ice sheet, and key processes controlling these, and the quality assurance provided by the visual examination is important for the project as a whole. The broader impacts of the proposed activity include education of a PhD student and multiple undergraduates, and research opportunities for a junior faculty member at an undergraduate institution. The proposed activity will help support an especially vigorous education and outreach effort providing undergraduate instruction for over 1000 students per year, reaching thousands more citizens and many policymakers, and preparing educational materials used at many levels.
1043528/Alleythis Award支持一个项目,旨在完成WAIS Divide Deep Ice Core的物理核心研究,该研究目前已在南极西部收集。由NSF资助的正在进行的工作(根据终止的赠款)产生了可见的分层,检查了任何融化层的核心,火山范围,流动干扰或其他特征,对气泡数量的分析,允许重新建造允许在现场进行两次货币降温的趋势,并在其他雪地上进行调查(其他雪的特征)(表征)的表征,等等。站点,初步C轴研究等等。当前的提案旨在完成核心的其余部分,旨在完成这项工作。拟议活动的智力优点始于对核心的质量保证,这是通过视觉检测任何会破坏气候记录完整性的流动障碍的证据。检查还将揭示任何熔体层,火山范围等。将进行年度约会;到目前为止,可见的地层不如其他指标有用,而是可见检查将允许比其他技术更稀薄的年度层发现的可能性(基于格陵兰岛的经验)有可能促进努力。气泡数密度将用于通过核心的其余部分重建温度变化,为全新世早期部分提供重要的古气候数据。对C轴织物,晶粒大小和形状以及气泡特性的协调解释将用于了解冰流的历史,冰流的过程以及冰的柔软度以进行额外变形。对已经收集的表面数据的分析将改善对核心分层的解释。年度约会可能不会取得足够的成功,并且核心不会在没有熔体层的情况下受到干扰。如果是这样,那么这些努力将不会产生主要的出版物。但是,其他努力的成功应提高人们对冰盖历史和稳定性的了解,以及控制这些冰盖的关键过程,而视觉检查提供的质量保证对于整个项目都很重要。拟议活动的更广泛的影响包括对博士生和多个本科生的教育,以及本科学院初级教职员工的研究机会。拟议的活动将有助于支持特别有力的教育和外展活动,每年为1000多名学生提供本科教学,从而吸引成千上万的公民和许多决策者,并准备许多级别使用的教育材料。

项目成果

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Matthew Spencer其他文献

Integrating Theory and Hands-On Practice using Underwater Robotics in a Multidisciplinary Introductory Engineering Course
在多学科入门工程课程中使用水下机器人将理论与实践相结合
  • DOI:
    10.18260/1-2--28561
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Nancy K. Lape;L. Bassman;Christopher Clark;A. Dato;Angela M. Lee;Matthew Spencer;E. Spjut;L. Blake
  • 通讯作者:
    L. Blake
A Board and Projects for an FPGA/Microcontroller-Based Embedded Systems Lab
基于 FPGA/微控制器的嵌入式系统实验室的电路板和项目
The effect of gas turbine lubricant base oil molecular structure on friction
  • DOI:
    10.1016/j.triboint.2019.106052
  • 发表时间:
    2020-06-01
  • 期刊:
  • 影响因子:
  • 作者:
    Jake Airey;Matthew Spencer;Richard Greenwood;Mark Simmons
  • 通讯作者:
    Mark Simmons
Does the National Resident Match Program Rank List Predict Success in Emergency Medicine Residency Programs?
  • DOI:
    10.1016/j.jemermed.2016.06.059
  • 发表时间:
    2017-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Michael Van Meter;Michael Williams;Rosa Banuelos;Peter Carlson;Jeffrey I. Schneider;Bradley D. Shy;Christine Babcock;Matthew Spencer;Yashwant Chathampally
  • 通讯作者:
    Yashwant Chathampally
Erasing a Gender Gap in Performance in a Multidisciplinary Introductory Engineering Course
消除多学科工程入门课程中的性别差距

Matthew Spencer的其他文献

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{{ truncateString('Matthew Spencer', 18)}}的其他基金

Scaling Trust: An Anthropology of Cyber Security (Renewal)
扩展信任:网络安全人类学(续订)
  • 批准号:
    MR/X023338/1
  • 财政年份:
    2024
  • 资助金额:
    $ 12.02万
  • 项目类别:
    Fellowship
Scaling Trust: An Anthropology of Cyber Security
扩大信任:网络安全人类学
  • 批准号:
    MR/S037373/1
  • 财政年份:
    2019
  • 资助金额:
    $ 12.02万
  • 项目类别:
    Fellowship
Dynamics of community composition
群落组成的动态
  • 批准号:
    NE/K00297X/1
  • 财政年份:
    2013
  • 资助金额:
    $ 12.02万
  • 项目类别:
    Research Grant
Collaborative Research: Combined Physical Property Measurements at Siple Dome
合作研究:Siple Dome 的综合物理特性测量
  • 批准号:
    0917509
  • 财政年份:
    2008
  • 资助金额:
    $ 12.02万
  • 项目类别:
    Standard Grant
Improved phylogenetic tools for gene content data
改进的基因内容数据系统发育工具
  • 批准号:
    BB/E019005/1
  • 财政年份:
    2007
  • 资助金额:
    $ 12.02万
  • 项目类别:
    Research Grant
Collaborative Research: Combined Physical Property Measurements at Siple Dome
合作研究:Siple Dome 的综合物理特性测量
  • 批准号:
    0440447
  • 财政年份:
    2005
  • 资助金额:
    $ 12.02万
  • 项目类别:
    Standard Grant

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