Acquisition of a continuous flow isotope ratio mass analyzer for tropical paleoclimatology

购买用于热带古气候学的连续流同位素比质量分析仪

基本信息

  • 批准号:
    0929983
  • 负责人:
  • 金额:
    $ 17.32万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-09-01 至 2011-08-31
  • 项目状态:
    已结题

项目摘要

0929983Evans"This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5)." This award will facilitate the purchase of a continuous flow isotope ratio mass spectrometer. Requested is a Thermo Delta V with Conflo-IV interface. This instrument is being requested to increase sample sensitivity (and thereby decrease necessary sample size) and because current departmental instrument resources are fully committed. The instrument will be interfaced with existing peripherals These include a Gasbench-II and PAL-80 autosampler allowing carbonate and water prep, and a Costech High Temperature Generator/Elemental Combustion System (HTG/ECS). The PI will assume overall operation, maintenance and oversight responsibility. A half-time laboratory manager will be hired on grant support to assist with instrument operation, maintenance and training. Students will also play a major role. UMd will contribute funds towards the purchase of this instrument. In addition, the University will renovate space to include an IRMS and wet lab within the Department of Geology. The PI will use this instrument for research in two broad themes, Tropical isotope dendroclimatology, and Coral chronologies of interdecadal ocean/atmosphere climate variability. Under the first theme, the PI intends to better understand seasonality in tropical climate regions through oxygen isotopic compositions in trees lacking annual rings. Oxygen isotopes can be used as a proxy for convective rainfall. The in-house developed system allows high sample throughput and rapid analyses so that very high resolution isotope proxy data can be generated. Preliminary results show good correlation between isotope climate reconstructions and ENSO events. Under the second theme (coral chronologies), enhanced sample processing techniques offer precision comparable to dual-inlet measurements in a continuous flow mode. This allows high-resolution carbon and oxygen isotope measurements from coral samples at a rate of ~120 per day. Multi-decadal proxy measurements can thus be made to better understand past climates (and model current and future ones). While forming the basis of the PI?s analytical laboratory at UMd, this instrument will be the foundation of a climate science curriculum offering broad student training. The laboratory will sponsor high school students and provide analytical possibilities for the senior capstone research program and "Earth, Life and Time" Scholars program. The PI will promote women and minorities in his program (of which he has been very successful in the past). ***
0929983 Evans“该奖项是根据2009年美国复苏和再投资法案(公法111-5)资助的。“这项合同将有助于购买连续流动同位素比质谱仪。所需的是带有Conflo-IV接口的Thermo Delta V。要求使用这台仪器是为了提高样品的灵敏度(从而减少必要的样品量),而且目前该部的仪器资源已全部投入使用。该仪器将与现有的外围设备连接,其中包括Gasbench-II和PAL-80自动进样器,用于制备碳酸盐和水,以及Costech高温发生器/元素燃烧系统(HTG/ECS)。主要研究者将承担整体运营、维护和监督责任。将在赠款支持下雇用一名半职实验室经理,以协助仪器操作、维护和培训。学生也将发挥重要作用。UMD将为购买该仪器提供资金。此外,该大学将翻新空间,包括地质系内的IRMS和湿实验室。PI将使用这一工具进行两大主题的研究,热带同位素树木气候学和珊瑚年代际海洋/大气气候变化。在第一个主题下,PI打算通过缺乏年轮的树木中的氧同位素组成来更好地了解热带气候地区的季节性。氧同位素可以作为对流降雨的替代物。内部开发的系统允许高样本通量和快速分析,以便生成非常高分辨率的同位素代理数据。初步结果表明,同位素气候重建与ENSO事件之间有很好的相关性。在第二个主题(珊瑚年表)下,改进的样品处理技术提供的精度可与连续流动模式下的双入口测量相媲美。这使得能够以每天约120个的速度对珊瑚样本进行高分辨率的碳和氧同位素测量。因此,可以进行多年代际替代测量,以更好地了解过去的气候(并模拟当前和未来的气候)。在形成PI的基础时?该仪器将成为气候科学课程的基础,为学生提供广泛的培训。该实验室将赞助高中生,并为高级顶点研究计划和“地球,生命和时间”学者计划提供分析可能性。PI将在他的计划中促进妇女和少数民族(他过去一直非常成功)。***

项目成果

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Michael Evans其他文献

Towards an Inclusive Pedagogy for EAL in the Multilingual Classroom
在多语言课堂中实现 EAL 的包容性教学法
Sulcular penetration and diffusion into surrounding tissues of 14C-phenytoin and 14C-albumin.
14C-苯妥英和 14C-白蛋白通过龈沟渗透并扩散到周围组织中。
  • DOI:
  • 发表时间:
    1981
  • 期刊:
  • 影响因子:
    3.5
  • 作者:
    Arnold D. Steinberg;Charles E. Joseph;Michael Evans
  • 通讯作者:
    Michael Evans
Media of Things: Supporting the Production of Metadata Rich Media Through IoT Sensing
物媒体:通过物联网传感支持元数据富媒体的制作
"It is there, and you need it, so why do you not use it?" Achieving better adoption of AI systems by domain experts, in the case study of natural science research
“它就在那里,你也需要它,那你为什么不使用它呢?”
  • DOI:
    10.48550/arxiv.2403.16895
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Auste Simkute;Ewa Luger;Michael Evans;Rhianne Jones
  • 通讯作者:
    Rhianne Jones
A Framework for New Scholarship in Human Performance Technology
人类表现技术新学术框架
  • DOI:
    10.1111/j.1937-8327.2006.tb00363.x
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Thomas M. Schwen;Howard K. Kaiman;Michael Evans
  • 通讯作者:
    Michael Evans

Michael Evans的其他文献

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{{ truncateString('Michael Evans', 18)}}的其他基金

DeepGreen: A Deep Learning Based Tree-Ring Width Data Model for Paleoclimatic Data Assimilation
DeepGreen:基于深度学习的树木年轮宽度数据模型,用于古气候数据同化
  • 批准号:
    2303530
  • 财政年份:
    2023
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Standard Grant
Collaborative Research: P2C2--Insights into Tropical Pacific Climate from Paleoproxy Data Assimilation into an Intermediate Complexity Dynamical Model
合作研究:P2C2——从古代理数据同化到中等复杂性动力模型中洞察热带太平洋气候
  • 批准号:
    2002469
  • 财政年份:
    2020
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Standard Grant
Collaborative Research: P2C2--Hydroclimatic Response of El Nino-Southern Oscillation to Natural and Anthropogenic Radiative Forcing
合作研究:P2C2——厄尔尼诺-南方涛动对自然和人为辐射强迫的水文气候响应
  • 批准号:
    1903626
  • 财政年份:
    2019
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Standard Grant
P2C2: Hydroclimatic response of the tropical Pacific to past changes in mean state: Observations and synthesis
P2C2:热带太平洋对过去平均状态变化的水文气候响应:观测与综合
  • 批准号:
    1606764
  • 财政年份:
    2016
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Standard Grant
Collaborative Research: Common Era Climate Variability from Marine Proxy Surrogate Reconstructions
合作研究:海洋代理替代重建的共同时代气候变化
  • 批准号:
    1536249
  • 财政年份:
    2015
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Standard Grant
Studio STEM: Engaging Middle School Students in Networked Science and Engineering Projects
Studio STEM:让中学生参与网络科学与工程项目
  • 批准号:
    1029756
  • 财政年份:
    2011
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Continuing Grant
Gateways to Algebraic Motivation, Engagement and Success (GAMES): Supporting and Assessing Fraction Proficiency with Game-Based, Mobile Applications and Devices
代数动机、参与和成功的门户 (GAMES):使用基于游戏的移动应用程序和设备支持和评估分数熟练程度
  • 批准号:
    1118571
  • 财政年份:
    2011
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Continuing Grant
P2C2: ENSO Paleoclimatology in Queensland, Australia
P2C2:澳大利亚昆士兰州 ENSO 古气候学
  • 批准号:
    0902794
  • 财政年份:
    2009
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Standard Grant
Collaborative Research: P2C2--Locally-Constrained Climate Field Reconstructions of the Last Millennium: Methods and Application
合作研究:P2C2--上个千年的局部约束气候场重建:方法与应用
  • 批准号:
    0902715
  • 财政年份:
    2009
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Standard Grant
Social Organization, Learning Technologies & Discourse: System Features for Facilitating Mathematical Reasoning in PreK-3 Students
社会组织、学习技术
  • 批准号:
    0736151
  • 财政年份:
    2008
  • 资助金额:
    $ 17.32万
  • 项目类别:
    Continuing Grant

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