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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:
9316183
负责人:
Robert Sherrell
金额:
$8.5万
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 1998-07-31

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英文摘要
9316183 Sherrell 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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Collaborative Research: US GEOTRACES GP17-ANT: Answering key questions in marine particle trace element biogeochemistry in the Amundsen Sea
  • 批准号:
    2220306
  • 项目类别:
    Standard Grant
  • 资助金额:
    $19.49万
  • 财政年份:
    2022
  • 负责人:
    Robert Sherrell
  • 依托单位:
Collaborative Research: Management and Implementation of US GEOTRACES GP17 Section: Amundsen Sea Sector of the Antarctic Continental Margin (GP17-ANT)
  • 批准号:
    2023214
  • 项目类别:
    Standard Grant
  • 资助金额:
    $46.16万
  • 财政年份:
    2021
  • 负责人:
    Robert Sherrell
  • 依托单位:
NSFGEO-NERC: Collaborative Research: Accelerating Thwaites Ecosystem Impacts for the Southern Ocean (ARTEMIS)
  • 批准号:
    1941304
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $49.61万
  • 财政年份:
    2021
  • 负责人:
    Robert Sherrell
  • 依托单位:
MRI: Acquisition of a Laser Ablation High Resolution Inductively Coupled Plasma Mass Spectrometer for Investigations of Ocean and Climate
  • 批准号:
    1919716
  • 项目类别:
    Standard Grant
  • 资助金额:
    $68.54万
  • 财政年份:
    2019
  • 负责人:
    Robert Sherrell
  • 依托单位:
国内基金
海外基金
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:
    SATOSHI NAWATA
  • 依托单位:
Cell Research
Cell Research
Cell Research (细胞研究)