Comparison of Sample Collection, Preservation, and Analysis During GEOTRACES Intercalibration Cruises
GEOTRACES 相互校准巡航期间样品采集、保存和分析的比较
基本信息
- 批准号:1012188
- 负责人:
- 金额:$ 6.97万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2009
- 资助国家:美国
- 起止时间:2009-09-22 至 2011-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
During the next ten to twelve years, scientists from oceanographic laboratories around the world will participate in GEOTRACES -- a benchmark effort to investigate the distribution and behavior of chemicals in the sea that can give insight into the way the ocean works as a geophysical system. In this project, researchers at the University of Alaska at Fairbanks will be funded to participate in the May-June 2008 and in the June 2009 GEOTRACES intercalibration cruises in the Sargasso Sea and the North Pacific. During the May-June 2008 cruise, this principal investigator and his colleagues intend to compare their custom-built ATE/Vane iron sampler to the GEOTRACES sampling system and other water samplers for the contamination-free sampling of dissolved, colloidal and particulate trace metals. During the June 2009 cruise, this project will investigate sample storage procedures for Fe-binding organic ligands that minimize storage artifacts by providing on-board measurements of unfrozen freshly collected seawater samples and time series measurements of preserved samples. The sampler comparison studies will help establish ?default? sampling procedures for the US GEOTRACES program. The sample storage method studies will provide confidence to carry out a global survey of trace element speciation during the GEOTRACES program. These proposed works are critical for the success of the GEOTRACES intercalibration cruises and comply with the major goals of GEOTRACES project. The proposed is expected to have broader impacts that extend beyond the international GEOTRACES program. It should provide important new insights for a variety of research activities that endeavor to understand the roles of oceanic trace element geochemical cycling in regulating marine ecosystem and the oceanic carbon cycle. Such understanding will help predict changes in natural oceanic environments and global climate due to human activities, and will help in the proper management of current and future marine resources. In addition, the proposed studies of sampler comparison and sample storage procedures, during the intercalibration cruises, will help develop proper methods for large scale trace elements sampling in the global ocean which will advance the field of oceanography in general.
在接下来的10到12年里,来自世界各地的海洋实验室的科学家将参加GEOTRACES --这是一项调查海洋中化学物质分布和行为的基准工作,可以深入了解海洋作为地球物理系统的运作方式。在该项目中,将资助位于费尔班克斯的阿拉斯加大学的研究人员参加2008年5月至6月和2009年6月在马尾藻海和北太平洋进行的GEOTRACES相互校准航行。在2008年5月至6月的巡航期间,这位首席研究员和他的同事打算将他们定制的ATE/叶片铁采样器与GEOTRACES采样系统和其他水采样器进行比较,以对溶解的、胶体的和颗粒状的微量金属进行无污染采样。在2009年6月的航行中,该项目将调查铁结合有机配体的样本储存程序,通过提供船上测量解冻的新鲜采集海水样本和保存样本的时间序列测量,尽量减少储存假象。采样器比较研究将有助于建立?违约?美国GEOTRACES计划的抽样程序。样品储存方法研究将为在GEOTRACES计划期间进行全球微量元素形态调查提供信心。这些拟议的工作对于GEOTRACES相互校准巡航的成功至关重要,并符合GEOTRACES项目的主要目标。预计该提议将产生更广泛的影响,超出国际GEOTRACES计划的范围。 这将为海洋微量元素地球化学循环在海洋生态系统和海洋碳循环中的调控作用提供重要的新认识。这种了解将有助于预测自然海洋环境和全球气候因人类活动而发生的变化,并将有助于妥善管理当前和未来的海洋资源。此外,在相互校准航行期间,拟议的采样器比较和样本储存程序研究将有助于制定在全球海洋进行大规模微量元素采样的适当方法,从而推动整个海洋学领域的发展。
项目成果
期刊论文数量(0)
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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Jingfeng Wu其他文献
Iron in the Sargasso Sea: Implications for the processes controlling dissolved Fe distribution in the ocean
马尾藻海中的铁:对控制海洋中溶解铁分布的过程的影响
- DOI:
- 发表时间:
2002 - 期刊:
- 影响因子:0
- 作者:
Jingfeng Wu;E. Boyle - 通讯作者:
E. Boyle
Global distributions of diazotrophs abundance, biomass and nitrogen fixation rates - Gridded data product (NetCDF) - Contribution to the MAREDAT World Ocean Atlas of Plankton Functional Types
固氮生物丰度、生物量和固氮率的全球分布 - 网格数据产品 (NetCDF) - 对 MAREDAT 浮游生物功能类型世界海洋地图集的贡献
- DOI:
- 发表时间:
2012 - 期刊:
- 影响因子:0
- 作者:
Ya‐Wei Luo;S. Doney;L. A. Anderson;M. Benavides;I. Berman‐Frank;A. Bode;S. Bonnet;Kjärstin H. Boström;D. Böttjer;D. Capone;E. Carpenter;Yaw;M. Church;J. Dore;L. Falcón;A. Fernández;R. Foster;K. Furuya;F. Gómez;K. Gundersen;A. Hynes;D. Karl;S. Kitajima;R. Langlois;J. LaRoche;Ricardo M Letelier;E. Marañón;D. McGillicuddy;P. H. Moisander;C. M. Moore;B. Mouriño‐Carballido;M. Mulholland;J. Needoba;K. Orcutt;A. Poulton;E. Rahav;P. Raimbault;A. Rees;L. Riemann;T. Shiozaki;A. Subramaniam;T. Tyrrell;K. Turk;M. Varela;T. Villareal;E. Webb;A. White;Jingfeng Wu;J. Zehr - 通讯作者:
J. Zehr
Determination of picomolar iron in seawater by double Mg(OH)2 precipitation isotope dilution high-resolution ICPMS
- DOI:
10.1016/j.marchem.2006.10.006 - 发表时间:
2007-01 - 期刊:
- 影响因子:3
- 作者:
Jingfeng Wu - 通讯作者:
Jingfeng Wu
Spatial and temporal distribution of iron in the surface water of the northwestern Atlantic Ocean
西北大西洋表层水中铁的时空分布
- DOI:
- 发表时间:
1996 - 期刊:
- 影响因子:0
- 作者:
Jingfeng Wu;G. Luther - 通讯作者:
G. Luther
Competitive ligand exchange voltammetric determination of iron organic complexation in seawater in two-ligand case: Examination of accuracy using computer simulation and elimination of artifacts using iterative non-linear multiple regression
双配体情况下海水中铁有机络合的竞争性配体交换伏安法测定:使用计算机模拟检查准确性并使用迭代非线性多元回归消除伪影
- DOI:
10.1016/j.marchem.2009.03.001 - 发表时间:
2009 - 期刊:
- 影响因子:3
- 作者:
Jingfeng Wu;M. Jin - 通讯作者:
M. Jin
Jingfeng Wu的其他文献
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{{ truncateString('Jingfeng Wu', 18)}}的其他基金
Geotraces Pacific section: dissolved Fe, Mn, Zn, Cu, and Cd and colloidal Fe
Geotraces 太平洋部分:溶解的铁、锰、锌、铜和镉以及胶体铁
- 批准号:
1233155 - 财政年份:2012
- 资助金额:
$ 6.97万 - 项目类别:
Standard Grant
Collaborative Research: GEOTRACES Atlantic Section, shipboard shore-based determination of key trace elements
合作研究:GEOTRACES 大西洋部分,船上岸基关键微量元素测定
- 批准号:
1132752 - 财政年份:2011
- 资助金额:
$ 6.97万 - 项目类别:
Standard Grant
BEST: The Role of Ice Melting in Providing Available Iron to the Surface Water of the Eastern Bering Sea Shelf
最佳:冰融化为东白令海陆架地表水提供可用铁的作用
- 批准号:
1010089 - 财政年份:2009
- 资助金额:
$ 6.97万 - 项目类别:
Standard Grant
Collaborative Research: GEOTRACES N Atlantic Section, shipboard and shorebased determination of key trace elements
合作研究:GEOTRACES 北大西洋剖面、船上和岸上关键微量元素的测定
- 批准号:
0927558 - 财政年份:2009
- 资助金额:
$ 6.97万 - 项目类别:
Standard Grant
Comparison of Sample Collection, Preservation, and Analysis During GEOTRACES Intercalibration Cruises
GEOTRACES 相互校准巡航期间样品采集、保存和分析的比较
- 批准号:
0728390 - 财政年份:2007
- 资助金额:
$ 6.97万 - 项目类别:
Standard Grant
BEST: The Role of Ice Melting in Providing Available Iron to the Surface Water of the Eastern Bering Sea Shelf
最佳:冰融化为东白令海陆架地表水提供可用铁的作用
- 批准号:
0612538 - 财政年份:2006
- 资助金额:
$ 6.97万 - 项目类别:
Standard Grant
Acquisition of a High Resolution-Inductively Coupled Plasma Mass Spectrometer for Oceanographic and Geological Studies at the University of Alaska Fairbanks
阿拉斯加大学费尔班克斯分校购买高分辨率电感耦合等离子体质谱仪用于海洋学和地质研究
- 批准号:
0321402 - 财政年份:2003
- 资助金额:
$ 6.97万 - 项目类别:
Standard Grant
Soluble and Colloidal Iron-Binding Organic Ligands in the Surface Water of Subtropical North Atlantic and North Pacific Oceans
副热带北大西洋和北太平洋表层水中的可溶性和胶体铁结合有机配体
- 批准号:
0220978 - 财政年份:2002
- 资助金额:
$ 6.97万 - 项目类别:
Standard Grant
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