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COLLABORATIVE RESEARCH: Iridium Deposition in Central Greenland Ice: Temporal Variability of Cosmic and Volcanic Sources

COLLABORATIVE RESEARCH: Iridium Deposition in Central Greenland Ice: Temporal Variability of Cosmic and Volcanic Sources
合作研究：格陵兰中部冰中的铱沉积：宇宙和火山源的时间变化
批准号：
9316207
负责人：
Edward Boyle
金额：
$8.5万
依托单位：
Massachusetts Institute of Technology
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
1994
资助国家：
美国
项目状态：
已结题
起止时间：
1994-08-15 至 1998-01-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9316207&HistoricalAwards=false
关键词：
COLLABORATIVERESEARCHIridiumDepositionCentral

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9316207 Boyle PIs have found iridium (Ir) anomalies in ice cores associated with the 1908 Tunguska event and the 1783 Laki eruption. In collabooration with Robert Rocchia (Paris), they will extend these analyses to other ice cores with the following goals: 1) test and verify findings, 2) make systematic studies on ice core samples to clarify partitioning of Ir, and 3) investigate temporal variability of background Ir deposition. Results have implications for debate over impact vs. volcanic sources for iridium in the stratigraphic record, and also for linking volcanism and impacts to climatic changes.
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Research on Quantum Field Theory without a Lagrangian Description
  • 批准号：
    24ZR1403900
  • 项目类别：
    省市级项目
  • 资助金额：
    --
  • 批准年份：
    2024
  • 负责人：
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  • 依托单位：
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