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Effects of Seawater Carbonate Chemistry on the Stable Isotope Geochemistry of Cultured Benthic Foraminifera

Effects of Seawater Carbonate Chemistry on the Stable Isotope Geochemistry of Cultured Benthic Foraminifera
海水碳酸盐化学对养殖底栖有孔虫稳定同位素地球化学的影响
批准号：
9633486
负责人：
Howard Spero
金额：
$17.14万
依托单位：
University of California-Davis
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
1996
资助国家：
美国
项目状态：
已结题
起止时间：
1996-11-01 至 2000-10-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9633486&HistoricalAwards=false
关键词：
EffectsSeawaterCarbonateChemistryStable

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英文摘要
Previous work indicates that the particulate organic matter (POM) in sea ice of the Weddell Sea is strongly enriched in 13C and 15N relative to seawater POM. This project will test the hypothesis that stable isotopic values in Southern Ocean sediments are significantly affected by ice-algal input, which may have been misinterpreted as variations in nutrient utilization and productivity. The project will examine transects of surface sediments to determine if a north-south gradient exists consistent with the hypothesis, and will also determine stable isotope variations in several cores spanning the last glacial to track possible changes in ice-algal input.
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SCOR Workshop: The Biology and Biogeochemistry of Planktonic Foraminifera
  • 批准号：
    1540666
  • 项目类别：
    Standard Grant
  • 资助金额：
    $2.99万
  • 财政年份：
    2015
  • 负责人：
    Howard Spero
  • 依托单位：
    University of California-Davis
Collaborative Research: Evolution of Arctic Water Column Hydrography during the Holocene Based on a Novel Instrumentation Combination
  • 批准号：
    1501526
  • 项目类别：
    Standard Grant
  • 资助金额：
    $29.83万
  • 财政年份：
    2015
  • 负责人：
    Howard Spero
  • 依托单位：
    University of California-Davis
Calibrating Diatom Oxygen Isotopes for Paleoceanographic Applications Using a Novel Technique
  • 批准号：
    1334686
  • 项目类别：
    Standard Grant
  • 资助金额：
    $39.96万
  • 财政年份：
    2013
  • 负责人：
    Howard Spero
  • 依托单位：
    University of California-Davis
Quantifying the 18O/16O of Glacial Meltwater Pulses Using a Novel LA-ICPMS/IRMS Multiproxy Approach
  • 批准号：
    1061676
  • 项目类别：
    Standard Grant
  • 资助金额：
    $35.96万
  • 财政年份：
    2011
  • 负责人：
    Howard Spero
  • 依托单位：
    University of California-Davis
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