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Developmental study for environmental and ecological risk control and its applications

Research Project

Project/Area Number 17K00067
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Statistical science
Research InstitutionThe Institute of Statistical Mathematics

Principal Investigator

Kashiwagi Nobuhisa  統計数理研究所, モデリング研究系, 名誉教授 (50150032)

Co-Investigator(Kenkyū-buntansha) 瀧澤 由美  統計数理研究所, モデリング研究系, 准教授 (90280528)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsベイズ統計 / 環境・生態リスク評価 / 汚染発生源解析 / 環境データ取得法 / リモートセンシング / 環境・生態リスク / 発生源解析 / 環境統計 / 生態リスク評価 / ニューロンネットワーク
Outline of Final Research Achievements

In environmental data analysis for reduction of environmental and ecological risks, we conducted researches on analysis methods based on statistical models and data acquisition method. At the same time, we also examined the risk-related issues that were received from collaborators. In the environmental risk analysis, we analyzed dioxins measured in rural areas in autumn by statistical analysis based on the assumption that the source of dioxins were pesticides. But the analysis results revealed contributions other than pesticides. Furthermore, in environmental pollution source analysis, we focused on the microwave technology that has been used conventionally for meteorological observation, etc. And we studied sensing methods for average water level and temperature using circularly polarized microwave.

Academic Significance and Societal Importance of the Research Achievements

汚染発生源解析において未知発生源の寄与率も推定できるベイズ型半因子モデルの有用性を示すと同時に、秋期農村部では野焼きにより高濃度のダイオキシン類が発生しているのを定量的に示し、環境政策に重要な視点を与えた。また、円偏波マイクロ波によるリモートセンシング機器を航空機等に取り付け海洋環境を計測すれば、極めて効率的に海洋環境データを取得できる新たな可能性を示した。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (17 results)

All 2020 2019 2018 2017

All Journal Article (12 results) (of which Int'l Joint Research: 7 results,  Peer Reviewed: 12 results,  Open Access: 12 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 1 results)

  • [Journal Article] Machine Learning Classification of Cerebral Aneurysm Rupture Status with Morphologic Variables and Hemodynamic Parameters2020

    • Author(s)
      Satoru Tanioka, Fujimaro Ishida, Atsushi Yamamoto, Shigetoshi Shimizu, Hiroshi Sakaida, Mitsuru Toyoda, Nobuhisa Kashiwagi, Hidenori Suzuki
    • Journal Title

      Radiology: Artificial Intelligence

      Volume: 2 Issue: 1 Pages: e190077-e190077

    • DOI

      10.1148/ryai.2019190077

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Circular Polarization Antenna with Elliptic Feed- and Reactance-Elements using Glass Epoxy Substrates2019

    • Author(s)
      Yumi Takizawa, Atsushi Fukasawa, Cahya Edi Santosa, and Josaphat Tetuko Sri Sumantyo
    • Journal Title

      Journal of Electromagnetics

      Volume: 4 Pages: 14-18

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Circular Polarization Antenna with Truncated Feed-and Reactance-Elements using Glass-epoxy Substrates2019

    • Author(s)
      Yumi Takizawa, Atsushi Fukasawa, Cahya Edi Santosa, and Josaphat Tetuko Sri Sumantyo
    • Journal Title

      International Journal of Communications

      Volume: 4 Pages: 23-27

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Circular Polarization Array Antenna with Orthogonal Arrangement and Parallel Feeding by Smoothed Routing Wires2018

    • Author(s)
      Yumi Takizawa, Atsushi Fukasawa
    • Journal Title

      Journal of Electromagnetics

      Volume: 3 Pages: 14-19

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Circular Polarization Array Antenna with Orthogonal Arrangement and Parallel Feeding by Simplified Routing Wires2018

    • Author(s)
      Atsushi Fukasawa, Yumi Takizawa
    • Journal Title

      Journal of Electromagnetics

      Volume: 3 Pages: 3-8

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Circular Polarization Array Antenna with a Grounded Cylindrical Collar for Elimination of Cross-Sectional Radiation2018

    • Author(s)
      Yumi Takizawa, Atsushi Fukasawa
    • Journal Title

      International Journal of Communications

      Volume: 3 Pages: 79-84

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Characteristics of a Circular Polarization Plane Antenna with Grounded Cylindrical Collar2018

    • Author(s)
      Atsushi Fukasawa, Yumi Takizawa
    • Journal Title

      International Journal of Communications

      Volume: 3 Pages: 73-78

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Quantification of hemodynamic irregularity using oscillatory velocity index in the associations with the rupture status of cerebral aneurysms2018

    • Author(s)
      Satoru Tanioka, Fujimaro Ishida, Tomoyuki Kishimoto, Masanori Tsuji, Katsuhiro Tanaka, Shinichi Shimosaka, Mitsuru Toyoda, Nobuhisa Kashiwagi, Takanori Sano, Hidenori Suzuki
    • Journal Title

      Journal of NeuroInterventional Surgery

      Volume: - Issue: 6 Pages: 614-617

    • DOI

      10.1136/neurintsurg-2018-014489

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Electrophysical Model and Analysis of Myelinated and Unmyelinated Axons in Neurons2018

    • Author(s)
      Yumi Takizawa
    • Journal Title

      Transactions on Biology and Biomedicine

      Volume: 15 Pages: 1-7

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Wideband microwave circular polarization array antenna with orthogonal arrangement of three-element plane antennas2017

    • Author(s)
      Yumi Takizawa, Atsushi Fukasawa
    • Journal Title

      International Journal of Systems Applications, Engineering & Development

      Volume: 11 Pages: 252-259

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] X-band circular polarization array antenna with parallel arrangement of three-element plane antennas2017

    • Author(s)
      Atsushi Fukasawa, Yumi Takizawa
    • Journal Title

      International Journal of Systems Applications, Engineering & Development

      Volume: 11 Pages: 220-226

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Advanced Model and Analysis of Electrophysical Activities in Neurons for Pulse and Plateau Potentials2017

    • Author(s)
      Yumi Takizawa
    • Journal Title

      Transactions on Biology and Biomedicine

      Volume: 14 Pages: 145-153

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Circular Polarization Plane Antenna with Elliptic Resonators using High Dielectric Constant Substrates2020

    • Author(s)
      Yumi Takizawa, Fukasawa, A., Santosa, C.E., Sumantyo, J.T.S.
    • Organizer
      第22回環境リモートセンシングシンポジウム
    • Related Report
      2019 Annual Research Report
  • [Presentation] Spatio-temporal data analysis of long-term change of water quality in Tokyo bay2019

    • Author(s)
      Shuhei Mano, Kashiwagi, N. and Ando, H.
    • Organizer
      International Conference on Environmental Statistics
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 秋期田園地帯におけるダイオキシン類の日間変動 -ベイズ型半因子組成モデルを用いた汚染由来解析-2018

    • Author(s)
      姉崎克典,柏木宣久
    • Organizer
      日本分析化学会年会
    • Related Report
      2018 Research-status Report
  • [Presentation] 東京湾水質の時空間データ解析2018

    • Author(s)
      間野修平, 柏木宣久, 安藤晴夫
    • Organizer
      統計数理研究所共同研究集会
    • Related Report
      2018 Research-status Report
  • [Presentation] Electrophysical activity in neurons and unicellular organisms for bipolar potential generation and utilization2017

    • Author(s)
      Yumi Takizawa
    • Organizer
      5th International Conference on NEUROLOGY
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited

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Published: 2017-04-28   Modified: 2021-02-19  

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