Collaborative Research: Acquisition of New Instrumentation for Geochemical Studies in the Earth and Environmental Sciences

合作研究：获取用于地球和环境科学地球化学研究的新仪器

• 批准号: 0746273
• 负责人: Steven Goldstein
• 金额: $ 130万
• 依托单位: Columbia University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-10-01 至 2013-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0746273&HistoricalAwards=false
• 关键词: Collaborative; Research; Acquisition; New; Instrumentation

This award will provide support for part of a major facility upgrade to benefit geochemical research at the Lamont-Doherty Earth Observatory (LDEO) and the American Museum of Natural History (AMNH). Specifically, funds will be allocated over 3 years for acquisition of (1) a new generation noble gas mass spectrometer and inlet system, (2) a high sensitivity single collector (SC) ICP-MS, and (3) a high precision multi-collector (MC) ICP-MS. The timing of this award is motivated by a combination of increasing demand at LDEO and AMNH for access to this type of instrumentation at a time when the performance of aging existing facilities is inadequate to pursue state of the art research, coupled with major new commitments by both institutions to geochemistry. These include ongoing construction of a $45M Geochemistry Building and new appointments of senior and junior Faculty to the Geochemistry Division at LDEO, a new phase of cooperation between LDEO and AMNH, and an unprecedented commitment to stabilize instrument maintenance and technique development through institutional contributions to technical support. The new instrumentation is linked in that it fosters interdisciplinary research across a spectrum of themes. The noble gas mass spectrometer will measure neon isotope ratios for surface exposure dating, further the development of constant flux proxies for paleoceanography, and advance studies of mantle dynamics. The SC-ICPMS will fulfill a growing need for analyses of ultra-low trace element abundances in water, ice and aerosols. At present, these efforts are compromised by other measurements of high concentration samples using shared instruments. The high sensitivity of a new MC-ICPMS will allow measurement of isotope ratios in smaller samples than is currently feasible and will be linked with a laser, bought separately with institutional funds. The laser ablation MC-ICPMS capability will serve a large number of LDEO and AMNH researchers and students who now travel extensively in order to obtain LA-ICPMS analyses. The new instrumentation will open new avenues to advance knowledge on fundamental topics such as solid earth geodynamics, ocean dynamics and climate, as well as the transport and fate of contaminants in aqueous systems and the atmosphere.The instrumentation is also critical for providing state-of-the-art technology for Earth science research and education in the New York City area. The enhanced infrastructure will promote cross-disciplinary and inter-institutional collaborations. The equipment is critical to continuance of both a strong graduate education program and a research training program at both the undergraduate and high school levels. Since 2000 LDEO Geochemistry has produced 19 Columbia PhD dissertations and AMNH has hosted 15 graduate students from various universities. Currently, 27 Columbia PhD students are associated with the groups requesting instrumentation through this proposal. LDEO labs serve graduate students from regional institutions, including CUNY and Stony Brook. LDEO geochemists are actively involved in REU programs ( 40 interns since 2000). The AMNH REU program has hosted 22 interns since it started in 2003, in which most have been women and several have been African American or Hispanic. LDEO geochemists also provide research opportunities for high school students ( 25 since 2000). The new instrumentation will make a fundamental contribution to meeting research and educational needs of at least two CUNY campuses (Queens and Kingsborough CC) and at Fordham University, where LDEO and AMNH adjunct researchers have faculty positions. Geochemists in this project are extensively involved in public education and outreach, such as public lectures, news media contributions, popular articles, and spearheading prominent exhibits (e.g., the Halls of Planet Earth, and of Meteorites, and of Gems and Minerals at AMNH). The AMNH exhibits and other public programs are important tools of public science education; some 4.5M people, including 0.6M K-12 students, visit AMNH each year. Geochemists involved in this proposal regularly give lectures in the Earth2Class Program (www.earth2class.org/) for K-12 science teachers. LDEO scientists use their expertise as members of governmental advisory boards, including NYC Mayor Bloomberg?s Council of Sustainable Development. The new instrumentation provides essential tools for continuation of our public outreach efforts.***

该奖项将为Lamont-Doherty地球观测站（LDEO）和美国自然历史博物馆（AMNH）的主要设施升级提供部分支持，以促进地球化学研究。具体而言，将在3年内分配资金，用于购买（1）新一代惰性气体质谱仪和进气系统，（2）高灵敏度单收集器（SC）ICP-MS，和（3）高精度多接收器（MC）ICP-该奖项的时间是由LDEO和AMNH对获得这种类型的仪器的需求不断增加的组合驱动的，老化的现有设施的性能不足以进行最先进的研究，加上两个机构对地球化学的重大新承诺。其中包括正在进行的4500万美元的地球化学大楼的建设和高级和初级教师的新任命，地球化学部在LDEO，LDEO和AMNH之间的合作的新阶段，以及前所未有的承诺，以稳定仪器维护和技术开发通过机构贡献的技术支持。 新的仪器是联系在一起的，因为它促进了跨学科的研究在一系列的主题。 惰性气体质谱仪将测量氖同位素比率，用于表面暴露年代测定，进一步发展古海洋学的恒定通量代用指标，并推进地幔动力学研究。SC-ICPMS将满足对水、冰和气溶胶中超低痕量元素丰度分析日益增长的需求。目前，这些努力受到使用共享仪器对高浓度样品进行其他测量的影响。新的MC-ICPMS的高灵敏度将允许在比目前可行的更小的样品中测量同位素比率，并将与单独购买的激光器连接。激光烧蚀MC-ICPMS能力将为大量的LDEO和AMNH研究人员和学生提供服务，他们现在广泛旅行以获得LA-ICPMS分析。新的仪器将开辟新的途径，以增进关于固体地球动力学、海洋动力学和气候以及水系统和大气中污染物的迁移和归宿等基本问题的知识，该仪器对于为纽约市地区的地球科学研究和教育提供最先进的技术也至关重要。加强的基础设施将促进跨学科和机构间的合作。这些设备对于本科和高中阶段的研究生教育计划和研究培训计划的持续性至关重要。 自2000年以来，LDEO地球化学已经产生了19篇哥伦比亚博士论文，AMNH已经接待了15名来自不同大学的研究生。目前，27名哥伦比亚博士生与通过这一提案要求仪器的团体有关。LDEO实验室为来自纽约市立大学和斯托尼布鲁克等地区机构的研究生提供服务。LDEO地球化学家积极参与REU计划（自2000年以来有40名实习生）。AMNH REU方案自2003年启动以来已接待了22名实习生，其中大多数是妇女，还有几名是非洲裔美国人或西班牙裔美国人。LDEO地球化学家还为高中生提供研究机会（自2000年以来有25名）。新的仪器将作出根本性的贡献，以满足至少两个城市大学校园（皇后区和金斯伯勒CC）和福德姆大学，其中LDEO和AMNH兼职研究人员有教师职位的研究和教育需求。 该项目中的地球化学家广泛参与公众教育和宣传，如公开讲座，新闻媒体投稿，流行文章，以及带头突出展览（例如，行星地球、陨石、宝石和矿物的霍尔斯。AMNH展览和其他公共项目是公共科学教育的重要工具;每年约有450万人参观AMNH，其中包括060万K-12学生。参与这项提议的地球化学家定期在Earth 2Class计划（www.earth2class.org/）中为K-12科学教师讲课。LDEO的科学家们利用他们的专业知识作为政府顾问委员会的成员，包括纽约市市长布隆伯格？可持续发展理事会。新的工具为我们继续开展公共外联工作提供了必要的工具。