Collaborative Research: Management and Implementation of US GEOTRACES Eastern Pacific Zonal Transect
合作研究:美国GEOTRACES东太平洋地带样带的管理和实施
基本信息
- 批准号:1131731
- 负责人:
- 金额:$ 33万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-06-01 至 2015-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The mission of the International GEOTRACES Program (www.geotraces.org), of which the U.S. chemical oceanography research community is a founding member, is "to identify processes and quantify fluxes that control the distributions of key trace elements and isotopes in the ocean, and to establish the sensitivity of these distributions to changing environmental conditions" (GEOTRACES Science Plan, 2006). In the United States, ocean chemists are currently in the process of organizing a zonal transect in the eastern tropical South Pacific (ETSP) from Peru to Tahiti as the second cruise of the U.S.GEOTRACES Program. This Pacific section includes a large area characterized by high rates of primary production and particle export in the eastern boundary associated with the Peru Upwelling, a large oxygen minimum zone that is a major global sink for fixed nitrogen, and a large hydrothermal plume arising from the East Pacific Rise. This particular section was selected as a result of open planning workshops in 2007 and 2008, with a final recommendation made by the U.S.GEOTRACES Steering Committee in 2009. It is the first part of a two-stage plan that will include a meridional section of the Pacific from Tahiti to Alaska as a subsequent expedition. This award provides funding for management of the U.S.GEOTRACES Pacific campaign to a team of scientists from the University of Southern California, Old Dominion University, and the Woods Hole Oceanographic Institution. The three co-leaders will provide mission leadership, essential support services, and management structure for acquiring the trace elements and isotopes samples listed as core parameters in the International GEOTRACES Science Plan, plus hydrographic and nutrient data needed by participating investigators. With this support from NSF, the management team will (1) plan and coordinate the 52-day Pacific research cruise described above; (2) obtain representative samples for a wide variety of trace metals of interest using conventional CTD/rosette and GEOTRACES Sampling Systems; (3) acquire conventional JGOFS/WOCE-quality hydrographic data (CTD, transmissometer, fluorometer, oxygen sensor, etc) along with discrete samples for salinity, dissolved oxygen (to 1 uM detection limits), plant pigments, redox tracers such as ammonium and nitrite, and dissolved nutrients at micro- and nanomolar levels; (4) ensure that proper QA/QC protocols are followed and reported, as well as fulfilling all GEOTRACES Intercalibration protocols; (5) prepare and deliver all hydrographic-type data to the GEOTRACES Data Center (and US data centers); and (6) coordinate cruise communications between all participating investigators, including preparation of a hydrographic report/publication. Broader Impacts: The project is part of an international collaborative program that has forged strong partnerships in the intercalibration and implementation phases that are unprecedented in chemical oceanography. The science product of these collective missions will enhance our ability to understand how to interpret the chemical composition of the ocean, and interpret how climate change will affect ocean chemistry. Partnerships include contributions to the infrastructure of developing nations with overlapping interests in the study area, in this case Peru. There is a strong educational component to the program, with many Ph.D. students carrying out thesis research within the program.
美国化学海洋学研究界是国际GEOTRACES计划(www.geotraces.org)的创始成员之一,该计划的使命是“确定控制海洋中关键微量元素和同位素分布的过程和量化通量,并确定这些分布对不断变化的环境条件的敏感性”(GEOTRACES科学计划,2006年)。 在美国,海洋化学家目前正在组织一个从秘鲁到塔希提岛的热带南太平洋东部区域样带,作为美国GEOTRACES方案的第二次航行。这一太平洋部分包括一大片区域,其特点是与秘鲁上升流有关的东部边界的初级生产率和颗粒输出率高,一个大的最低含氧区是固定氮的主要全球汇,以及东太平洋隆起产生的大的热液羽流。这一特定部分是2007年和2008年公开规划研讨会的结果,最终建议由美国GEOTRACES指导委员会于2009年提出。 这是一个两阶段计划的第一部分,该计划将包括从塔希提岛到阿拉斯加的太平洋南部地区作为随后的探险。该奖项为来自南加州大学、旧自治领大学和伍兹霍尔海洋研究所的科学家团队管理美国GEOTRACES太平洋运动提供资金。 三位共同领导人将提供使命领导、基本支持服务和管理结构,以获取国际GEOTRACES科学计划中列为核心参数的微量元素和同位素样本,以及参与调查人员所需的水文和营养数据。 在国家科学基金会的支持下,管理小组将(1)规划和协调上述为期52天的太平洋研究航行;(2)使用常规CTD/玫瑰花结和GEOTRACES取样系统获取各种感兴趣的痕量金属的代表性样品;(3)获取常规JGOFS/WOCE质量的水文数据(CTD、透射计、荧光计、氧传感器等)沿着盐度、溶解氧的离散样本(检测限为1 μ M)、植物色素、氧化还原示踪剂(如铵和亚硝酸盐)以及微摩尔和纳摩尔水平的溶解营养素;(4)确保遵循和报告适当的QA/QC协议,以及履行所有GEOTRACES互校协议;(5)准备并向GEOTRACES数据中心(和美国数据中心)提供所有水文类型的数据;以及(6)协调所有参与调查人员之间的巡航通信,包括准备水文报告/出版物。更广泛的影响:该项目是国际合作计划的一部分,该计划在化学海洋学前所未有的相互校准和实施阶段建立了强有力的伙伴关系。这些集体任务的科学成果将提高我们理解如何解释海洋化学成分的能力,并解释气候变化将如何影响海洋化学。伙伴关系包括为在研究领域有重叠利益的发展中国家的基础设施提供捐助,在本案例中是秘鲁。该计划有很强的教育成分,有许多博士。学生在计划内进行论文研究。
项目成果
期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Distribution of iron in the Western Indian Ocean and the Eastern tropical South pacific: An inter-basin comparison
西印度洋和东部热带南太平洋铁的分布:流域间比较
- DOI:10.1016/j.chemgeo.2019.119334
- 发表时间:2020
- 期刊:
- 影响因子:3.9
- 作者:Moffett, James W.;German, Christopher R.
- 通讯作者:German, Christopher R.
Unexpected Source and Transport of Iron from the Deep Peru Margin
秘鲁深部边缘铁的意外来源和运输
- DOI:10.1021/acsearthspacechem.0c00066
- 发表时间:2020
- 期刊:
- 影响因子:3.4
- 作者:Lam, Phoebe J.;Heller, Maija I.;Lerner, Paul E.;Moffett, James W.;Buck, Kristen N.
- 通讯作者:Buck, Kristen N.
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James Moffett其他文献
Student-centered language arts and reading, K-13: A handbook for teachers
- DOI:
- 发表时间:
1976 - 期刊:
- 影响因子:0
- 作者:
James Moffett - 通讯作者:
James Moffett
A Student-Centered Language Arts Curriculum, Grades K-13: A Handbook for Teachers.
以学生为中心的语言艺术课程,K-13 年级:教师手册。
- DOI:
- 发表时间:
1973 - 期刊:
- 影响因子:0
- 作者:
James Moffett - 通讯作者:
James Moffett
Teaching the universe of discourse
- DOI:
10.2307/354610 - 发表时间:
1968 - 期刊:
- 影响因子:0
- 作者:
James Moffett - 通讯作者:
James Moffett
James Moffett的其他文献
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{{ truncateString('James Moffett', 18)}}的其他基金
Characterization of the distribution and properties of inert copper in seawater
海水中惰性铜的分布和性质表征
- 批准号:
2343416 - 财政年份:2024
- 资助金额:
$ 33万 - 项目类别:
Standard Grant
Collaborative Research: US GEOTRACES GP17-ANT: Iron redox cycling in the Amundsen Sea in the water column and shelf sediments
合作研究:US GEOTRACES GP17-ANT:阿蒙森海水柱和陆架沉积物中的铁氧化还原循环
- 批准号:
2124188 - 财政年份:2022
- 资助金额:
$ 33万 - 项目类别:
Standard Grant
Collaborative Research: Coupling of physical and chemical processes in the shelf to basin transport of iron and iodine off Washington and Oregon
合作研究:华盛顿州和俄勒冈州附近铁和碘从陆架到盆地运输的物理和化学过程的耦合
- 批准号:
2023708 - 财政年份:2020
- 资助金额:
$ 33万 - 项目类别:
Standard Grant
U.S. GEOTRACES PMT: Measurement of the organic complexation and chemical lability of dissolved copper using multiple techniques
美国 GEOTRACES PMT:使用多种技术测量溶解铜的有机络合和化学不稳定性
- 批准号:
1756415 - 财政年份:2018
- 资助金额:
$ 33万 - 项目类别:
Standard Grant
The role of cryptic nutrient cycling within sinking particles on trace element transport in oxygen minimum zones
下沉颗粒内隐秘养分循环对最低氧区微量元素运输的作用
- 批准号:
1636332 - 财政年份:2016
- 资助金额:
$ 33万 - 项目类别:
Standard Grant
Development and Intercomparison of Methodologies to Measure Dissolved Ferrous Iron in Seawater
测量海水中溶解二价铁的方法的开发和比较
- 批准号:
1459584 - 财政年份:2015
- 资助金额:
$ 33万 - 项目类别:
Standard Grant
GEOTRACES: Measurement of Fe(II) in the Southeastern tropical Pacific on the US GEOTRACES Transect
GEOTRACES:美国 GEOTRACES 断面对东南热带太平洋 Fe(II) 的测量
- 批准号:
1260273 - 财政年份:2013
- 资助金额:
$ 33万 - 项目类别:
Standard Grant
RAPID: GEOTRACES: Determination of Copper Distribution, Speciation, and the Relationship to Picoplankton Community Structure for the U.S. GEOTRACES Zonal North Atlantic
RAPID:GEOTRACES:确定美国 GEOTRACES 北大西洋的铜分布、形态以及与微型浮游生物群落结构的关系
- 批准号:
1137827 - 财政年份:2011
- 资助金额:
$ 33万 - 项目类别:
Standard Grant
Dimensions: Collaborative Research: Significance of nitrification in shaping planktonic biodiversity in the ocean
维度:合作研究:硝化作用对塑造海洋浮游生物多样性的重要性
- 批准号:
1046098 - 财政年份:2010
- 资助金额:
$ 33万 - 项目类别:
Continuing Grant
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