RII Track-4: NSF: Toward Tracking Organic Carbon Cycling in a Changing Arctic Ocean using Optical Properties and Numerical Modelling

RII Track-4:NSF:利用光学特性和数值模型追踪不断变化的北冰洋中的有机碳循环

基本信息

  • 批准号:
    2132175
  • 负责人:
  • 金额:
    $ 22.1万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-02-01 至 2024-01-31
  • 项目状态:
    已结题

项目摘要

Phytoplankton, which form the base of marine food webs, are responding to the associated higher light availability and fresher surface water in the Arctic. Their spring bloom is occurring earlier due to early sea ice melt, and they have recently tended to show a fall bloom. This suggests that the phytoplankton are acclimating to a “new Arctic”. The goal of this project is to improve the understanding of phytoplankton-originating organic carbon cycling through a collaboration with scientists at the Scripps Institution of Oceanography (SIO) in San Diego, California. The opportunity to collaborate with two leading scientists in the field of optical oceanography at SIO will positively impact and potentially transform the PI’s research career trajectory. These benefits will also enhance the research capacity of the PI’s home institution.The goal of the project is to 1) investigate phytoplankton changes in response to environmental variables, 2) track vertical export of phytoplankton-originating organic carbon, and 3) predict the impact of phytoplankton changes on zooplankton abundance. The investigator will analyze several comprehensive datasets acquired on five field campaigns to the Arctic between 2010 and the fall of 2021. The data include inherent and apparent optical properties, phytoplankton pigments and community composition, and a full suite of physical and chemical measurements. Samples obtained from the most recent campaign will be shipped to SIO for analysis using a customized optical instrument and technique developed by two leading experts in the field of Optical Oceanography at SIO. The phytoplankton community composition will be derived from the measured phytoplankton absorption spectra. The vertical export of organic carbon will be estimated using an innovative approach based on profiles of particle backscattering. Together with the data from spring and summer campaigns in previous years, the fall data will be used to parameterize a numerical model of the seasonal succession of phytoplankton and zooplankton. The primary outputs will be publications and presentations for both scientific and public audiences. Expected outcomes will consist of training in the state-of-the-art optical measurement and modelling techniques and mentoring of a post-doc in the integration of the knowledge into a numerical model.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.
构成海洋食物网基础的浮游植物正在对北极更高的光照利用率和更新鲜的地表水做出反应。由于海冰提前融化,它们的春季开花时间提前了,最近它们倾向于出现秋季开花。这表明浮游植物正在适应“新北极”。该项目的目标是通过与加利福尼亚州圣地亚哥斯克里普斯海洋学研究所(SIO)的科学家合作,提高对浮游植物起源的有机碳循环的理解。与SIO光学海洋学领域的两位顶尖科学家合作的机会将对PI的研究生涯轨迹产生积极影响,并有可能改变PI的研究生涯轨迹。这些好处也将提高PI所在机构的研究能力。该项目的目标是:1)调查浮游植物对环境变量的响应;2)追踪浮游植物源有机碳的垂直输出;3)预测浮游植物变化对浮游动物丰度的影响。研究人员将分析2010年至2021年秋季期间在北极进行的五次实地考察中获得的几个综合数据集。这些数据包括固有和表观光学特性、浮游植物色素和群落组成,以及一整套物理和化学测量。从最近的活动中获得的样品将被运送到SIO,使用由SIO光学海洋学领域的两位领先专家开发的定制光学仪器和技术进行分析。浮游植物群落组成将由测量的浮游植物吸收光谱得出。有机碳的垂直输出将使用一种基于粒子后向散射剖面的创新方法进行估计。与往年春季和夏季活动的数据一起,秋季数据将用于参数化浮游植物和浮游动物季节演替的数值模型。主要产出将是面向科学界和公众的出版物和简报。预期的结果将包括培训最先进的光学测量和建模技术,并指导博士后将知识整合到数值模型中。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

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Atsushi Matsuoka其他文献

CO2 and temperature dual-responsive dendrimer-based draw solutes for forward osmosis process
用于正向渗透过程的基于树枝状聚合物的二氧化碳和温度双响应驱动溶质
  • DOI:
    10.1016/j.desal.2022.115991
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    9.9
  • 作者:
    Atsushi Matsuoka;Shihomi Nishimori;Tomoki Takahashi;Tomohisa Yoshioka;Keizo Nakagawa;Eiji Kamio;Hideto Matsuyama
  • 通讯作者:
    Hideto Matsuyama
モリブデンとタングステンのカルサイトへ分配挙動(ポスター)
钼和钨在方解石中的分布行为(海报)
  • DOI:
  • 发表时间:
    2015
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Peter O. Baumgartner;Spela Gorican;Luis O’Dogherty;Atsushi Matsuoka;長谷川健;渡辺勇輔・高橋 嘉夫
  • 通讯作者:
    渡辺勇輔・高橋 嘉夫
In Situ Observation of Gas Adsorption onto ZIF-8 using Terahertz Waves
使用太赫兹波原位观察 ZIF-8 上的气体吸附
  • DOI:
    10.1021/acs.jpcc.7b04833
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    3.7
  • 作者:
    Takenori Tanno;Yutaro Watanabe;Kyoko Umeno;Atsushi Matsuoka;Hirotoshi Matsumura;Masafumi Odaka;Nobuaki Ogawa
  • 通讯作者:
    Nobuaki Ogawa
Characterization of the Extracellular Domain of the Human Amyloid Precursor Protein
人淀粉样前体蛋白胞外结构域的表征
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    2.4
  • 作者:
    Atsushi Matsuoka;Tomoaki Yamashita;Ami Arai;Len Ito;Masaki Okumura;Hiroshi Yamaguchi;Michio Niinobe;and Yuji Hidaka
  • 通讯作者:
    and Yuji Hidaka
砂丘湖・上佐潟(新潟市赤塚)における水質の季節変化について-新潟県湖沼の陸水生態学的研究XIII
沙丘湖上泻(新泻市赤冢)水质的季节变化 - 新泻县湖泊湿地的陆地生态研究 XIII
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Len Ito;Yuji Hidaka(責任者);Masaki Okumura;Hironori Konishi;Adermann Knut;Hiroshi Yamaguchi;Masatoshi Saiki;Masaki Okumura;Toyoaki Kobayashi;Len Ito;Masatoshi Saiki;島本裕明;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yu-ichiro Yoshida;Tadafumi Konogami;Masaki Okumura;此上祥史;吉田祐一郎;島本裕明;前川拓磨;金村信吾;生川佳奈;Yuji Hidaka;Yuji Hidaka;此上祥史;吉田祐一郎;Yuji Hidaka;奥村正樹;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;Yuji Hidaka;小西宏典;渡部健児;山下知章;紺谷公一;Yuji Hidaka;渡部健児;Masaki Okumura;Atsushi Matsuoka;小西宏典;北林美帆・戸田任重;渡部健児;北林美帆・戸田任重;小西宏典;福原晴夫・根本富美子・竹内蓉子・高井直子・村井麻子・他2名
  • 通讯作者:
    福原晴夫・根本富美子・竹内蓉子・高井直子・村井麻子・他2名

Atsushi Matsuoka的其他文献

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