Sulfur and Oxygen Isotopic Signatures for Sulfur Dioxide Oxidation Mechanisms
Sulfur and Oxygen Isotopic Signatures for Sulfur Dioxide Oxidation Mechanisms
批准号:
0111714
负责人:
Mark Thiemens
金额:
$30.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2001
资助国家:
美国
项目状态:
已结题
起止时间:
2001-09-01 至 2005-02-28
中文摘要
将进行实验室测量,以解决与大气过程相关的反应中的同位素效应,包括SO2(二氧化硫)的气相和固相氧化,硫化合物的表面催化氧化,以及硫化合物与NO2(二氧化氮)和NO3(硝酸根)的氧化。为了更好地理解PI和他的团队对大气硫酸盐和硝酸盐气溶胶样本进行的同位素分析(硫和氧),需要进行实验室研究。PI正在使用同位素数据来量化不同大气硫氧化途径的相对贡献。这对于理解气溶胶的化学性质及其对气候的影响至关重要。
英文摘要
Laboratory measurements will be carried out addressing isotope effects in reactions relevant to atmospheric processes, including gas and solution phase oxidation of SO2 (sulfur dioxide), surface catalyzed oxidation of sulfur compounds, and the oxidation of sulfur compounds with NO2 (nitrogen dioxide) and NO3 (nitrate radical). The laboratory studies are needed to better understand isotopic analysis (sulfur and oxygen) that the PI and his group have carried out on atmospheric sulfate and nitrate aerosol samples. The PI is using isotopic data to quantify the relative contributions of the different atmospheric sulfur oxidation pathways. This is of fundamental importance to understanding the chemistry of aerosols and their impact on climate.
期刊论文(0)
专著(0)
科研奖励(0)
会议论文
Collaborative Research: EAGER--Novel Sampling and Isotopic Characterization of Upper Strato- to Mesospheric Photochemistry
-
批准号:2204474
-
项目类别:Standard Grant
-
资助金额:$26.39万
-
财政年份:2022
-
负责人:Mark Thiemens
-
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
-
批准号:2009959
-
项目类别:Standard Grant
-
资助金额:$47.82万
-
财政年份:2020
-
负责人:Mark Thiemens
-
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
-
批准号:1259305
-
项目类别:Continuing Grant
-
资助金额:$43.73万
-
财政年份:2013
-
负责人:Mark Thiemens
-
依托单位:
Understanding Atmospheric Sulfur Cycle using Triple Isotopes of Oxygen and Sulfur (ASCTIOS)
-
批准号:0960594
-
项目类别:Standard Grant
-
资助金额:$36.8万
-
财政年份:2010
-
负责人:Mark Thiemens
-
依托单位:
ETBC: Collaborative Research: "The Effect of Climate on the Terrestial Sulfur Cycle"
-
批准号:0819977
-
项目类别:Standard Grant
-
资助金额:$27.5万
-
财政年份:2008
-
负责人:Mark Thiemens
-
依托单位:
Collaborative Research: An Isotope MIF Study of Volcanic Events in Greenland Ice Cores
-
批准号:0612422
-
项目类别:Standard Grant
-
资助金额:$0.0万
-
财政年份:2006
-
负责人:Mark Thiemens
-
依托单位:
Scholarships for Quantitative and Interdisciplinary Science Majors
-
批准号:0630922
-
项目类别:Standard Grant
-
资助金额:$49.91万
-
财政年份:2006
-
负责人:Mark Thiemens
-
依托单位:
Collaborative Research: Multiple-isotope Analysis of Nitrate and Sulfate in the West Antarctic Ice Sheet Divide Ice Core
-
批准号:0538520
-
项目类别:Continuing Grant
-
资助金额:$19.2万
-
财政年份:2006
-
负责人:Mark Thiemens
-
依托单位:
Complete Isotopic Analysis of Aerosol Sulfate and Nitrate in Long-Term Samplings from the Tropical Atlantic
-
批准号:0431483
-
项目类别:Continuing Grant
-
资助金额:$41.59万
-
财政年份:2004
-
负责人:Mark Thiemens
-
依托单位:
Collaborative Research: Investigation Atomospheric Chemisty and Dynamics Through Oxygen and Sulfur Isotopes in Volcanic Sulfate from South Pole Ice Cores
-
批准号:0338363
-
项目类别:Standard Grant
-
资助金额:$8.69万
-
财政年份:2004
-
负责人:Mark Thiemens
-
依托单位:
U.S.-France Dissertation Enhancement: Variations in Dissociation Energies and Rates for Multiple NO2
-
批准号:0129286
-
项目类别:Standard Grant
-
资助金额:$1.5万
-
财政年份:2002
-
负责人:Mark Thiemens
-
依托单位:
U.S.-France Cooperative Research: Nitrogen and Sulfur Cycles in Antarctica Inferred from Concentration and Isotopic Measurements
-
批准号:0128971
-
项目类别:Standard Grant
-
资助金额:$1.91万
-
财政年份:2002
-
负责人:Mark Thiemens
-
依托单位:
South Pole Atmospheric Nitrate Isotopic Analysis (SPANIA)
-
批准号:0125761
-
项目类别:Standard Grant
-
资助金额:$33.83万
-
财政年份:2002
-
负责人:Mark Thiemens
-
依托单位:
The Use of Oxygen Isotopes to Resolve the Tropospheric Ozone Budget
-
批准号:9820999
-
项目类别:Continuing Grant
-
资助金额:$28.0万
-
财政年份:1999
-
负责人:Mark Thiemens
-
依托单位:
The Measurement of Mass Independent Isotopic Compositions in Atmospheric Species as a New Index of Global Processes
-
批准号:9711203
-
项目类别:Continuing Grant
-
资助金额:$35.0万
-
财政年份:1997
-
负责人:Mark Thiemens
-
依托单位:
Development of a New Multi-Isotope Technique for Atmospheric Carbon Monoxide Studies
-
批准号:9510665
-
项目类别:Continuing Grant
-
资助金额:$16.61万
-
财政年份:1995
-
负责人:Mark Thiemens
-
依托单位:
The Measurement of Mass Independent Isotopic Compositions in Atmospheric Species as a New Indice of Global Processes
-
批准号:9321202
-
项目类别:Standard Grant
-
资助金额:$33.0万
-
财政年份:1994
-
负责人:Mark Thiemens
-
依托单位:
High Precision Oxygen Isotope Ratio Measurements in Atmospherically Important Reactions and in Air Species
-
批准号:9020462
-
项目类别:Continuing Grant
-
资助金额:$47.47万
-
财政年份:1991
-
负责人:Mark Thiemens
-
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.
-
批准号:8721051
-
项目类别:Continuing Grant
-
资助金额:$30.98万
-
财政年份:1988
-
负责人:Mark Thiemens
-
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
-
批准号:8515648
-
项目类别:Continuing Grant
-
资助金额:$17.6万
-
财政年份:1986
-
负责人:Mark Thiemens
-
依托单位:
海外基金