The Use of Oxygen Isotopes to Resolve the Tropospheric Ozone Budget
The Use of Oxygen Isotopes to Resolve the Tropospheric Ozone Budget
批准号:
9820999
负责人:
Mark Thiemens
金额:
$28.0万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1999
资助国家:
美国
项目状态:
已结题
起止时间:
1999-07-01 至 2002-06-30
中文摘要
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英文摘要
This proposal requests funds to pursue high precision oxygen isotopic measurements of tropospheric ozone in an effort to better understand tropospheric ozone chemistry. All three oxygen isotopes (O-16, O-17, and O-18) will be measured on atmospheric ozone samples using stable isotope ratio mass spectrometry. Measurements are proposed to address the extent and variability of ozone transport and transformation rates, remote marine ozone chemistry, and the magnitude of stratospheric ozone injections into the troposphere.
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Collaborative Research: EAGER--Novel Sampling and Isotopic Characterization of Upper Strato- to Mesospheric Photochemistry
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批准号:2204474
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项目类别:Standard Grant
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资助金额:$26.39万
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财政年份:2022
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负责人:Mark Thiemens
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依托单位:
NSF-BSF: A Coordinated Study of the Isotope effect in the Vacuum Ultraviolet Photodissociation of Astronomically Important Molecules: Implications for the Early Solar System
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批准号:2009959
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项目类别:Standard Grant
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资助金额:$47.82万
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财政年份:2020
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负责人:Mark Thiemens
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依托单位:
Heterogeneous and Photochemical Transformations on Aerosol Surfaces: Understanding the Link between Hydrogen Peroxide and Carbonates Using Carbon and Oxygen Triple Isotopes
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批准号:1259305
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项目类别:Continuing Grant
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资助金额:$43.73万
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财政年份:2013
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负责人:Mark Thiemens
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依托单位:
Understanding Atmospheric Sulfur Cycle using Triple Isotopes of Oxygen and Sulfur (ASCTIOS)
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批准号:0960594
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项目类别:Standard Grant
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资助金额:$36.8万
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财政年份:2010
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负责人:Mark Thiemens
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依托单位:
ETBC: Collaborative Research: "The Effect of Climate on the Terrestial Sulfur Cycle"
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批准号:0819977
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项目类别:Standard Grant
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资助金额:$27.5万
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财政年份:2008
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负责人:Mark Thiemens
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依托单位:
Collaborative Research: An Isotope MIF Study of Volcanic Events in Greenland Ice Cores
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批准号:0612422
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:2006
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负责人:Mark Thiemens
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依托单位:
Scholarships for Quantitative and Interdisciplinary Science Majors
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批准号:0630922
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项目类别:Standard Grant
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资助金额:$49.91万
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财政年份:2006
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负责人:Mark Thiemens
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依托单位:
Collaborative Research: Multiple-isotope Analysis of Nitrate and Sulfate in the West Antarctic Ice Sheet Divide Ice Core
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批准号:0538520
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项目类别:Continuing Grant
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资助金额:$19.2万
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财政年份:2006
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负责人:Mark Thiemens
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依托单位:
Complete Isotopic Analysis of Aerosol Sulfate and Nitrate in Long-Term Samplings from the Tropical Atlantic
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批准号:0431483
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项目类别:Continuing Grant
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资助金额:$41.59万
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财政年份:2004
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负责人:Mark Thiemens
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依托单位:
Collaborative Research: Investigation Atomospheric Chemisty and Dynamics Through Oxygen and Sulfur Isotopes in Volcanic Sulfate from South Pole Ice Cores
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批准号:0338363
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项目类别:Standard Grant
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资助金额:$8.69万
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财政年份:2004
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负责人:Mark Thiemens
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依托单位:
U.S.-France Dissertation Enhancement: Variations in Dissociation Energies and Rates for Multiple NO2
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批准号:0129286
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项目类别:Standard Grant
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资助金额:$1.5万
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财政年份:2002
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负责人:Mark Thiemens
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依托单位:
U.S.-France Cooperative Research: Nitrogen and Sulfur Cycles in Antarctica Inferred from Concentration and Isotopic Measurements
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批准号:0128971
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项目类别:Standard Grant
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资助金额:$1.91万
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财政年份:2002
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负责人:Mark Thiemens
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依托单位:
South Pole Atmospheric Nitrate Isotopic Analysis (SPANIA)
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批准号:0125761
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项目类别:Standard Grant
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资助金额:$33.83万
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财政年份:2002
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负责人:Mark Thiemens
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依托单位:
Sulfur and Oxygen Isotopic Signatures for Sulfur Dioxide Oxidation Mechanisms
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批准号:0111714
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项目类别:Standard Grant
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资助金额:$30.0万
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财政年份:2001
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负责人:Mark Thiemens
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依托单位:
The Measurement of Mass Independent Isotopic Compositions in Atmospheric Species as a New Index of Global Processes
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批准号:9711203
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项目类别:Continuing Grant
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资助金额:$35.0万
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财政年份:1997
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负责人:Mark Thiemens
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依托单位:
Development of a New Multi-Isotope Technique for Atmospheric Carbon Monoxide Studies
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批准号:9510665
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项目类别:Continuing Grant
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资助金额:$16.61万
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财政年份:1995
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负责人:Mark Thiemens
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依托单位:
The Measurement of Mass Independent Isotopic Compositions in Atmospheric Species as a New Indice of Global Processes
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批准号:9321202
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项目类别:Standard Grant
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资助金额:$33.0万
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财政年份:1994
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负责人:Mark Thiemens
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依托单位:
High Precision Oxygen Isotope Ratio Measurements in Atmospherically Important Reactions and in Air Species
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批准号:9020462
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项目类别:Continuing Grant
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资助金额:$47.47万
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财政年份:1991
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负责人:Mark Thiemens
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依托单位:
The Study of Oxygen Isotopic Fractionation Mechanisms in Ozone Formation and Measurement of these ratios in air O2 at ultrahigh precision.
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批准号:8721051
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项目类别:Continuing Grant
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资助金额:$30.98万
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财政年份:1988
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负责人:Mark Thiemens
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依托单位:
The Study of Isotopic Fractionation Processes in Atmos- pherically Relevant Reactions and the Measurement of these Ratios in High Altitude Samples
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批准号:8515648
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项目类别:Continuing Grant
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资助金额:$17.6万
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财政年份:1986
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负责人:Mark Thiemens
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依托单位:
海外基金