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Holocene Variations in Upper North Atlantic Deep Water(Labrador Sea Water) Properties

Holocene Variations in Upper North Atlantic Deep Water(Labrador Sea Water) Properties
北大西洋上部深水(拉布拉多海水)性质的全新世变化
批准号:
0214180
负责人:
Peter DeMenocal
金额:
$23.78万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2002
资助国家:
美国
项目状态:
已结题
起止时间:
2002-08-15 至 2006-07-31

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英文摘要
Summary: The project will reconstruct Holocene millennial-scale changes in upper NADW properties in three cores on the Laurentian Slope that form a transect between 1035 and 1854m water depth. Oxygen isotope, Mg/Ca, Cd/Ca and Zn/Ca measurements will be done on benthic foraminifers to characterize deep water properties including temperature and salinity estimates. Chronology will be constrained by AMS 14C dates. Preliminary data indicate the cores have accumulation rates of 20-50cm/kyr. Sampling intervals will range from 40-60 years. Oxygen isotope and Mg/Ca measurements of the planktic foraminifer G. bulloides in the Holocene section of a core near the mouth of the Labrador sea to relate the deep water changes to surface water changes.
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Collaborative Research: A combined proxy and model investigation of Late Holocene paleoclimate in the Horn of Africa
  • 批准号:
    1203295
  • 项目类别:
    Standard Grant
  • 资助金额:
    $1.01万
  • 财政年份:
    2012
  • 负责人:
    Peter DeMenocal
  • 依托单位:
Proposed Workshop: "African Climate Change and Human Evolution"
  • 批准号:
    1251788
  • 项目类别:
    Standard Grant
  • 资助金额:
    $2.0万
  • 财政年份:
    2012
  • 负责人:
    Peter DeMenocal
  • 依托单位:
Collaborative Research: Quantifying the ocean's response to solar forcing:Multidecadal to century-scale variability of North Atlantic SSTs over recent millennia
  • 批准号:
    1103519
  • 项目类别:
    Standard Grant
  • 资助金额:
    $26.61万
  • 财政年份:
    2011
  • 负责人:
    Peter DeMenocal
  • 依托单位:
High and Low-Latitude Controls on the Mean Position of the Atlantic ITCZ (0-150 ka BP)
  • 批准号:
    0927247
  • 项目类别:
    Standard Grant
  • 资助金额:
    $36.6万
  • 财政年份:
    2009
  • 负责人:
    Peter DeMenocal
  • 依托单位:
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