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REU: Quantitative Technique for Extracting New Paleoenvironmental Information from Planktonic ForaminiferalCarbon Isotope Data

REU: Quantitative Technique for Extracting New Paleoenvironmental Information from Planktonic ForaminiferalCarbon Isotope Data
REU:从浮游有孔虫碳同位素数据中提取新古环境信息的定量技术
批准号:
8911827
负责人:
Howard Spero
金额:
$6.09万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1989
资助国家:
美国
项目状态:
已结题
起止时间:
1989-12-01 至 1990-12-27

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中文摘要
翻译
两个新开发的模型,基于培养实验 与浮游有孔虫,使之有可能:a) 区分生理和环境对 13 c和18 o有孔虫方解石和B)提取新的 水体季节变化的古环境信息 温度和化石总CO_2的13 ℃ 有孔虫。透光层模型使用碳同位素 结合18o信号记录以重建季节 地表沃茨和海底的温度范围 古海洋真光带定量碳同位素模型 提供了一种过滤13 C中“生命效应”的技术 记录来重建环境CO2的13 C。 研究的目的是扩大应用范围, EZ和QC模式对新的浮游有孔虫种的影响 通过活体培养和生理实验, 泡沫层 表层海洋古海洋学新信息 对环境的短期和长期变化的影响的深入了解, 透光带对古气候变化的影响
英文摘要
Two newly developed models, based on culturing experiments with planktonic foraminifera, make it possible to: a) differentiate physiological from environmental influences on the 13c and 18o of foraminiferal calcite and b) extract new paleoenvironmental information about seasonal changes in water temperature and the 13c of seawater total CO2 from fossil foraminifera. The Euphotic Zone model uses the carbon isotope record in conjunction with 18o signal to reconstruct seasonal temperature ranges in surface waters and at the base of paleoceanic euphotic zones. The Quantitative Carbon isotopemodel provides a technique for filtering out "vital effects" inthe 13C record to reconstruct the 13C of environmental CO2. The objective of the research is to expand the application of the EZ and QC models to new planktonic foranimiferal species through culturing and physiological experiments with living froaminifers. The new paleoceanographic information about surface ocean insight into effects of transient and long-term changes in the euphotic zone on paleoclimatic change.
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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:
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:
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:
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:
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