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Observation of very week geomagnetic fields using SQUID magnetometers

Research Project

Project/Area Number 26610143
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Solid earth and planetary physics
Research InstitutionKanazawa Institute of Technology

Principal Investigator

KAWAI JUN  金沢工業大学, 先端電子技術応用研究所, 教授 (10468978)

Project Period (FY) 2014-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
KeywordsSQUID磁力計 / 地磁気 / シューマン共鳴 / 電離層アルフベン波共鳴 / 高感度 / SQUID / 高分解能 / 低ドリフト
Outline of Final Research Achievements

In this study, we have developed a superconducting quantum interference device (SQUID) magnetometer system for high-sensitive observation of geomagnetic fields. We succeeded on observation of Schumann Resonance (SR) up to 6th mode and Ionospheric Alfven Resonance (IAR) using this system in Shiramine, Hakusan-city, Ishikawa Prefecture. In these results, we have confirmed that the system has a good performance to detect very week geomagnetic magnetic field variation. We also expect that this system is useful for observation of geomagnetic phenomena that has not been detected with conventional magnetometers.

Report

(3 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • Research Products

    (2 results)

All 2015

All Presentation (2 results)

  • [Presentation] 高感度地磁気計測SQUID システムにおける性能の改良2015

    • Author(s)
      河合 淳
    • Organizer
      第138回地球電磁気・地球惑星圏学会講演会
    • Place of Presentation
      東京大学
    • Year and Date
      2015-10-31
    • Related Report
      2015 Annual Research Report
  • [Presentation] SQUID磁束計を用いた高感度地磁気計測(II)2015

    • Author(s)
      河合 淳
    • Organizer
      第76回応用物理学会秋季学術講演会
    • Place of Presentation
      名古屋国際会議場
    • Year and Date
      2015-09-13
    • Related Report
      2015 Annual Research Report

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Published: 2014-04-04   Modified: 2017-05-10  

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