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Do diatoms record the oceanic Ge:Si ratio on glacial-interglacial time scales?

Do diatoms record the oceanic Ge:Si ratio on glacial-interglacial time scales?
硅藻是否记录了冰期-间冰期时间尺度上的海洋Ge:Si比率？
批准号：
0327016
负责人：
James McManus
金额：
$11.82万
依托单位：
Oregon State University
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2003
资助国家：
美国
项目状态：
已结题
起止时间：
2003-10-01 至 2006-09-30
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0327016&HistoricalAwards=false
关键词：
DodiatomsrecordoceanicGe

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中文摘要
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英文摘要
This proposal is funded to determine whether the Ge/Si record observed in siliceous sediments from Antarctica is a global record by measuring samples from three cores throughout the Pacific basin at low resolution and one at high resolution. Capturing detailed Ge:Si variations has implications for understanding the Si cycle, global variations in weathering, seafloor volcanisms and the Antarctica biological pump.
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Collaborative Research: Investigation of paired uranium and chromium isotope behavior during authigenic metal uptake into continental margin sediments
Expedition Objective Research (IODP Expedition 340): Diagenesis in tephra-rich marine sediments and the impact of reactive iron on enhanced carbon burial
Expedition Objective Research (IODP Expedition 340): Diagenesis in tephra-rich marine sediments and the impact of reactive iron on enhanced carbon burial
  • 批准号：
    1259326
  • 项目类别：
    Standard Grant
  • 资助金额：
    $15.0万
  • 财政年份：
    2013
  • 负责人：
    James McManus
  • 依托单位：
    Oregon State University
Expedition Objective Research (IODP Expedition 340): Diagenesis in tephra-rich marine sediments and the impact of reactive iron on enhanced carbon burial
  • 批准号：
    1360077
  • 项目类别：
    Standard Grant
  • 资助金额：
    $15.0万
  • 财政年份：
    2013
  • 负责人：
    James McManus
  • 依托单位：
    University of Akron
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