Collaborative Research: Unlocking the Cenozoic/Cretaceous seawater sulfate record via inclusion of 17O in marine barite
合作研究:通过海洋重晶石中的 17O 来解锁新生代/白垩纪海水硫酸盐记录
基本信息
- 批准号:1946153
- 负责人:
- 金额:$ 19.46万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-01-15 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The PIs will measure a never-before-analyzed chemical property of ocean sediments – variations in two trace isotopes of oxygen in barium sulfate particles. These data will provide a record of changes in ocean chemistry over the last 125 million years, changes that are driven by variations in the Earth’s carbon, oxygen and sulfur cycles. Understanding the history of the global cycles of these elements (carbon, oxygen, and sulfur) will help us understand the links between geological processes, natural climate change, and biological processes on land and in the ocean. Activities also include public outreach (via cartoon modules described the science), and the project will support training of a graduate student.This project will build a record of the 17O in sulfate from marine barite over the last 125 million years, using a recently-developed method that enables high-precision analysis of 17O in barite. The chemistry of marine sediments stands as one of the central catalogs of climatic evolution and earth surface change on geological timescales. The sulfur and oxygen isotopic composition of marine sulfate (as captured in barite) are two key records ocean chemistry over the last 125 million years. They are important because sulfate serves as an energy source for microbial life that is roughly 10 times larger than atmospheric oxygen, and that integrates across a wide range of biogeochemical processes and cycles, including those of carbon and iron. Recently, a new hypothesis was generated involving the influence of large igneous province formation on the sulfur isotope record. The new data proposed here – 17O in barite – will be used to test this hypothesis, and more broadly, to better understand the C, S, and O cycles through the Cretaceous and Cenozoic.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
PIs将测量一种从未分析过的海洋沉积物的化学性质——硫酸钡颗粒中两种微量氧同位素的变化。这些数据将提供过去1.25亿年间海洋化学变化的记录,这些变化是由地球碳、氧和硫循环的变化所驱动的。了解这些元素(碳、氧和硫)全球循环的历史将有助于我们理解地质过程、自然气候变化以及陆地和海洋生物过程之间的联系。活动还包括公共宣传(通过卡通模块描述科学),该项目将支持研究生的培训。该项目将使用一种最新开发的方法,对过去1.25亿年间来自海洋重晶石的硫酸盐中的17O进行记录,该方法可以对重晶石中的17O进行高精度分析。海洋沉积物的化学性质是地质时间尺度上气候演化和地表变化的中心目录之一。海洋硫酸盐(在重晶石中捕获)的硫和氧同位素组成是过去1.25亿年海洋化学的两个关键记录。它们很重要,因为硫酸盐是微生物生命的能量来源,其能量大约是大气中氧气的10倍,并且整合了广泛的生物地球化学过程和循环,包括碳和铁的过程。近年来,人们提出了一种新的假说,即大火成岩省的形成对硫同位素记录的影响。这里提出的新数据——重晶石中的17O——将用于验证这一假设,更广泛地说,用于更好地理解白垩纪和新生代的C、S和O旋回。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Adina Paytan其他文献
Export production fluctuations in the eastern equatorial Pacific during the Pliocene-Pleistocene: Reconstruction using barite accumulation rates
上新世-更新世赤道东太平洋出口产量波动:利用重晶石积累率重建
- DOI:
10.1002/2015pa002860 - 发表时间:
2015 - 期刊:
- 影响因子:0
- 作者:
Zhongwu Ma;Ana Christina Ravelo;Zhonghui Liu;Liping Zhou;Adina Paytan - 通讯作者:
Adina Paytan
流域間比較による河川水のリン酸-酸素安定同位体比の変動要因の解明
通过流域比较阐明河水中磷酸盐-氧稳定同位素比值变化的原因
- DOI:
- 发表时间:
2019 - 期刊:
- 影响因子:0
- 作者:
井手淳一郎;石田卓也;Abigail P. Cid-Andres;尾坂兼一;岩田智也;林拓矢;明石真徳;陀安一郎;Adina Paytan;奥田昇 - 通讯作者:
奥田昇
Searching for inefficiencies in the food–energy–water nexus
寻找食物—能源—水关系中的低效率问题
- DOI:
10.26904/rf-139-2175769885 - 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
Adina Paytan - 通讯作者:
Adina Paytan
Iron uncertainty
铁的不确定性
- DOI:
10.1038/35020176 - 发表时间:
2000-08-01 - 期刊:
- 影响因子:48.500
- 作者:
Adina Paytan - 通讯作者:
Adina Paytan
The roles of celestine and barite in modulating strontium and barium water column concentrations in the northeast Pacific Ocean
- DOI:
10.1016/j.gca.2024.10.003 - 发表时间:
2025-01-01 - 期刊:
- 影响因子:
- 作者:
Zvi Steiner;Alexandra V. Turchyn;Patrizia Ziveri;Alan M. Shiller;Phoebe J. Lam;Adina Paytan;Eric P. Achterberg - 通讯作者:
Eric P. Achterberg
Adina Paytan的其他文献
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{{ truncateString('Adina Paytan', 18)}}的其他基金
Collaborative Research: GEOPaths: IN: DIG IT (Data in Geosciences in Teaching)
合作研究:GEOPaths:IN:DIG IT(教学中的地球科学数据)
- 批准号:
2325494 - 财政年份:2023
- 资助金额:
$ 19.46万 - 项目类别:
Standard Grant
CAS-Climate: Acquisition of Eddy Covariance Towers for Assessing Spatial and Temporal Variability in Greenhouse Gas Emissions from Coastal Wetlands in California
CAS-气候:收购涡流协方差塔,用于评估加利福尼亚州沿海湿地温室气体排放的时空变化
- 批准号:
2136225 - 财政年份:2022
- 资助金额:
$ 19.46万 - 项目类别:
Standard Grant
Collaborative Research: GEOPAths IN: DIG CAMP - Data in Geosciences: Collaboration and Mentoring Program—Teaming Latinx High School and College Students for Data Use in Geoscienc
协作研究:GEOPAths IN:DIG CAMP - 地球科学数据:协作和指导计划 – 拉丁裔高中生和大学生团队在地球科学中使用数据
- 批准号:
2119547 - 财政年份:2021
- 资助金额:
$ 19.46万 - 项目类别:
Standard Grant
Belmont Forum Collaborative Research: Negotiating Ocean Conflicts among RIvals for Sustainable and Equitable Solutions
贝尔蒙特论坛合作研究:对手之间的海洋冲突谈判以寻求可持续和公平的解决方案
- 批准号:
2022871 - 财政年份:2021
- 资助金额:
$ 19.46万 - 项目类别:
Continuing Grant
30th Goldschmidt Conference – Geochemistry and Society Special Sessions
第 30 届戈德施密特会议 — 地球化学与社会特别会议
- 批准号:
2024013 - 财政年份:2020
- 资助金额:
$ 19.46万 - 项目类别:
Standard Grant
EAGER - Testing a new approach to shed light on the dolomite problem - an investigation using the isotopes of Magnesium, Calcium and Strontium.
EAGER - 测试一种新方法来阐明白云石问题 - 使用镁、钙和锶同位素进行调查。
- 批准号:
1854696 - 财政年份:2019
- 资助金额:
$ 19.46万 - 项目类别:
Continuing Grant
GP-IMPACT: GEODES - GEOsciences Diversity, Excellence, and Support Program
GP-IMPACT:GEODES - 地球科学多样性、卓越和支持计划
- 批准号:
1911527 - 财政年份:2019
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$ 19.46万 - 项目类别:
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Urbino Summer School in Paleoclimatology for 2019 United States Graduate Student Participation; Urbino, Italy; July 9-26, 2019
2019年美国研究生参加乌尔比诺古气候学暑期学校;
- 批准号:
1912674 - 财政年份:2019
- 资助金额:
$ 19.46万 - 项目类别:
Standard Grant
IRES Track III - International Research Engagement for Graduate Level Professional Development: Limnology and Oceanography Research Exchange (LOREX)
IRES Track III - 研究生水平专业发展的国际研究参与:湖沼学和海洋学研究交流(LOREX)
- 批准号:
1831075 - 财政年份:2018
- 资助金额:
$ 19.46万 - 项目类别:
Standard Grant
Belmont Forum Collaborative Research Food-Water-Energy Nexus: Waste Food-Energy-Water Urban Living Labs - mapping and reducing waste in the Food-Energy-Water Nexus
贝尔蒙特论坛合作研究食物-水-能源关系:浪费食物-能源-水城市生活实验室 - 绘制和减少食物-能源-水关系中的浪费
- 批准号:
1830104 - 财政年份:2018
- 资助金额:
$ 19.46万 - 项目类别:
Continuing Grant
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