Collaborative Research: GEOTRACES Pacific section: Spatial variability of lead concentrations and isotopic compositions in the Eastern Tropical South Pacific
Collaborative Research: GEOTRACES Pacific section: Spatial variability of lead concentrations and isotopic compositions in the Eastern Tropical South Pacific
批准号:
1233749
负责人:
Edward Boyle
金额:
$37.87万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2012
资助国家:
美国
项目状态:
已结题
起止时间:
2012-12-01 至 2015-11-30
中文摘要
来自麻省理工学院和加州大学圣克鲁斯分校的科学家计划测量 2013 年从秘鲁到塔希提岛的 GEOTTRACES 航行期间收集的海水剖面、气溶胶和热液羽流样本中的铅 (Pb) 浓度和 Pb 同位素(204Pb、206Pb、207Pb 和 208Pb)。 这些数据不仅将大大补充南太平洋现有的有限数据集,而且还将用于进一步了解该元素在海洋环境中的循环,并提高我们对相关区域铅的人为输入的了解,鉴于采矿、冶炼和化石燃料燃烧导致的铅排放量增加,这一点非常重要。 此外,来自东太平洋海隆羽流的数据将记录热液喷口系统是否有助于海洋铅预算。 就更广泛的影响而言,对于外展活动,支持者计划扩大加州大学圣克鲁斯分校西摩海洋发现中心的化学海洋学教育单位。 该项目是美国和智利科学家之间的合作成果。 作为该项目的一部分,麻省理工学院的一名研究生将得到支持和培训。 本科生,尤其是代表性不足的科学、技术、工程和数学 (STEM) 学生,也将有机会参与这项研究,作为其论文研究的一部分。
英文摘要
Scientists from Massachusetts Institute of Technology and the University of California, Santa Cruz, plan to measure lead (Pb) concentrations and Pb isotopes (204Pb, 206Pb, 207Pb and 208Pb) in seawater profiles, aerosols, and hydrothermal plume samples collected during the 2013 GEOTRACES cruise from Peru to Tahiti. Not only will the data significantly add to the limited data set existing for the South Pacific Ocean, results will be used to further our knowledge on the cycling of this element in the marine environment, as well as improve our understanding of anthropogenic inputs of Pb to the region of interest which is important given increases in lead emissions from mining, smelting, and fossil fuel combustion. In addition, data from the East Pacific Rise plume will document whether hydrothermal vent systems contribute to the oceanic Pb budget. In terms of the broader impacts, for outreach activities, the proponents plan to expand the Chemical Oceanography educational unit at the Seymour Marine Discovery Center of the University of California, Santa Cruz. The project is a collaborative effort between scientists in the United States and Chile. One graduate student from Massachusetts Institute of Technology would be supported and trained as part of this project. Undergraduate students, especially under-represented Science, Technology Engineering, and Mathematics (STEM) students, would also have the opportunity to participate in this study as part of their thesis research.
期刊论文(0)
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会议论文
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批准号:2148916
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项目类别:Continuing Grant
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资助金额:$46.96万
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负责人:Edward Boyle
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批准号:1459287
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项目类别:Continuing Grant
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资助金额:$37.63万
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负责人:Edward Boyle
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Filling Gaps in the Atlantic and Pacific Pb and Pb Isotope Spatial and Temporal Evolution
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批准号:1357224
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财政年份:2014
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Lead and Lead Isotope Sample Collection and Analysis for the U.S. GEOTRACES Zonal North Atlantic Survey Section
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批准号:0926197
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项目类别:Standard Grant
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资助金额:$62.31万
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批准号:0926204
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项目类别:Continuing Grant
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资助金额:$31.74万
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财政年份:2009
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依托单位:
GEOTRACES-Intercalibration studies of Contamination-Prone Trace Element Isotopes
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批准号:0751409
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项目类别:Standard Grant
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资助金额:$16.41万
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财政年份:2008
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负责人:Edward Boyle
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依托单位:
2007 Chemical Oceanography Gordon Research Conference
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批准号:0733494
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项目类别:Standard Grant
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资助金额:$3.2万
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财政年份:2007
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负责人:Edward Boyle
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依托单位:
Spatial and Temporal Variability of Pb, Fe, Zn, and their Stable Isotope Ratios in the Tropical and Subtropical Atlantic and Pacific Oceans
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批准号:0647446
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:2007
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负责人:Edward Boyle
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依托单位:
Variability of Pb, Pb Isotopes, and Fe in the Tropical and Subtropical North Atlantic and North Pacific Oceans
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批准号:0326689
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项目类别:Standard Grant
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资助金额:$61.04万
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The Relationship Between Lower North Atlantic Deep Water And Rapid Climate Change During Warm Marine Isotope Stages 1, 2, and 3
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批准号:0117195
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资助金额:$18.5万
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财政年份:2001
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负责人:Edward Boyle
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依托单位:
The Fluvial Gochemistry of Western China
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批准号:9911416
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项目类别:Standard Grant
-
资助金额:$30.0万
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财政年份:2000
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负责人:Edward Boyle
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依托单位:
BIOCOMPLEXITY: Collaborative Research: Oceanic N2 Fixation and Global Climate
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批准号:9981442
-
项目类别:Continuing Grant
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资助金额:$30.0万
-
财政年份:2000
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负责人:Edward Boyle
-
依托单位:
Variability of Pb, Isotopes Pb and Fe in the Tropical and Subtropical Atlantic and Pacific Oceans
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批准号:0002273
-
项目类别:Continuing Grant
-
资助金额:$55.0万
-
财政年份:2000
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负责人:Edward Boyle
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依托单位:
Collaborative Research: Isotope Stage 3 Climate Change in the Western North Atlantic
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批准号:0003021
-
项目类别:Continuing Grant
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资助金额:$30.01万
-
财政年份:2000
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负责人:Edward Boyle
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依托单位:
Temporal Variability of Pb, Fe, and Al in the Subtropical North Atlantic and North Pacific Oceans
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批准号:9711814
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项目类别:Continuing Grant
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资助金额:$54.5万
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财政年份:1997
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负责人:Edward Boyle
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依托单位:
Rapid Climate Change, Clay and Carbonate Accumulation, and Lower North Atlantic Deepwater Behavior during the Dansgaard-Oeschger Interstadial Events on the Bermuda Rise
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批准号:9709500
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项目类别:Continuing Grant
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资助金额:$33.26万
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财政年份:1997
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负责人:Edward Boyle
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依托单位:
Collection of a 50-Meter Large-Diameter Sediment Core on the Bermuda Rise
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批准号:9217791
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项目类别:Standard Grant
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财政年份:1995
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负责人:Edward Boyle
-
依托单位:
国内基金
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