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Radioisotopic Studies of Temporal Variability of Hydrothermal Circulation on the N. Cleft Segment, Juan de Fuca Ridge

Radioisotopic Studies of Temporal Variability of Hydrothermal Circulation on the N. Cleft Segment, Juan de Fuca Ridge
胡安德富卡海岭北裂段热液循环时间变化的放射性同位素研究
批准号:
9314564
负责人:
David Kadko
金额:
$14.38万
依托单位:
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:
1994-01-15 至 1996-12-31

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中文摘要
翻译
[9314564] Kadko作者建议检验这样一个假设,即在巨羽事件之后,3- He/heat的增加反映了一个新渗透系统的快速脱气,之后条件应该恢复平衡,矿物逐渐沉淀,水的停留时间更长。他将在胡安·德·富卡山脊北部裂缝段收集的喷口液体中使用放射性同位素示踪剂,并将其与1990年的数据进行比较。还将测试部署一个伽马探测器,用作监测设备。
英文摘要
9314564 Kadko The author proposes to test the hypothesis that an increase in 3- He/heat, following a megaplume event, reflects rapid degassing of a newly-permeable system, after which conditions should return to equilibrium with gradual precipitation of minerals and longer residence time of waters. He will use radioisotope tracers in vent fluids to be collected at the northern Cleft Segment of Juan de Fuca Ridge, which will be compared with data from 1990. There will also be a test deployment of a gamma detector to be used as a monitoring device.
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Collaborative Research: Sample Analysis to Test a Novel Method of Determining Atmospheric Deposition of Trace Elements to the Ocean/Ice System of the Arctic
  • 批准号:
    1460290
  • 项目类别:
    Standard Grant
  • 资助金额:
    $3.2万
  • 财政年份:
    2014
  • 负责人:
    David Kadko
  • 依托单位:
Collaborative Research: Management and Implementation of the U.S. Arctic GEOTRACES Study
  • 批准号:
    1356008
  • 项目类别:
    Standard Grant
  • 资助金额:
    $46.59万
  • 财政年份:
    2014
  • 负责人:
    David Kadko
  • 依托单位:
Collaborative Research: Management and Implementation of the U.S. Arctic GEOTRACES Study
  • 批准号:
    1455924
  • 项目类别:
    Standard Grant
  • 资助金额:
    $46.59万
  • 财政年份:
    2014
  • 负责人:
    David Kadko
  • 依托单位:
GEOTRACES Arctic Section: Determining the Pathways, Fate, and Flux of Atmospherically Derived Trace Elements in the ocean/ice system
  • 批准号:
    1434085
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $36.99万
  • 财政年份:
    2014
  • 负责人:
    David Kadko
  • 依托单位:
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