A new miniaturized magnetometer system for long-term distributed observation on the seafloor
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- Material Type
- 記事
- Author/Editor
- Kazunori OgawaTetsuo MatsunoHiroshi Ichihara
- Publication, Distribution, etc.
- Publication Date
- 2018-07-03
- Publication Date (W3CDTF)
- 2018-07-03
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 70(111)
- Volume
- 70(111)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-018-0877-6
- Persistent ID (NDL)
- info:ndljp/pid/11125879
- Collection
- Collection (Materials For Handicapped People:1)
- Collection (particular)
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2018-08-10T20:26:03+09:00
- Date Captured (W3CDTF)
- 2018-08-10
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/11067456
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Summary, etc.
- We have developed a new magnetometer system specialized to multipoint and long-term observations on the seafloor to promote marine or ocean-bottom experiments mainly for the electromagnetic sounding of the Earth's interior. In situ magnetic field observation on the seafloor is an essential geophysical technique to investigate structures of the oceanic crust and the upper mantle, many of which are still frontier as to observational evidences. The in situ and long-term observations require long-term-operable and small-size magnetometer systems, which are placed on the seafloor over a year in pressure-resistant cases without external power supply and communication. We have designed and developed a new electric circuit board of small size and lower power consumption for the magnetometer system. Our new magnetometer system, what we call "DOKODEMO MAG," is suitable to be installed in a pressure-resistant cylinder of 36 mm diameter and can operate independently over 2 years with a smaller amount of batteries than the conventional system because its power consumption was saved to ~ 33 mW. This magnetometer system is capable of observing orthogonal three-axis magnetic fields continuously with sampling frequency of 5 Hz at maximum and an accuracy of ~ 0.1 nT. The system also records tilt and temperature of the system and voltage of the batteries. Prototype models of this magnetometer system were tested for in situ operation for 5 months on the seafloor around the Kikai caldera in the south of the Kyusyu Island, SW Japan. The results of the test showed sufficient performance of our new magnetometer system and its potential of future usage for every type of marine or ocean-bottom operations.
- DOI
- 10.1186/s40623-018-0877-6
- Access Restrictions
- インターネット公開
- Rights (production)
- © The Author(s) 2018.This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
- Related Material (URI)
- References
- Giant rhyolitic lava dome formation after 7.3 ka supereruption at Kikai caldera, SW JapanElectrical conductivity of old oceanic mantle in the northwestern Pacific I: 1-D profiles suggesting differences in thermal structure not predictable by a plate cooling modelHayabusa2 Mission OverviewElectrical image of subduction zone beneath northeastern JapanTsunami source of the 2011 Tohoku earthquake detected by an ocean-bottom magnetometerSystem Configuration and Operation Plan of Hayabusa2 DCAM3-D Camera System for Scientific Observation During SCI Impact ExperimentElectrical image of passive mantle upwelling beneath the northern East Pacific RiseComplex subduction and small-scale convection revealed by body-wave tomography of the western United States upper mantleUpper mantle electrical resistivity structure beneath the central Mariana subduction systemThree-dimensional electrical resistivity of the north-central USA from EarthScope long period magnetotelluric dataCoseismic and postseismic slip of the 2011 magnitude-9 Tohoku-Oki earthquakeMantle dynamics beneath the East Pacific Rise at 17°S: Insights from the Mantle Electromagnetic and Tomography (MELT) experimentBounded influence magnetotelluric response function estimationSlow Earthquakes Coincident with Episodic Tremors and Slow Slip EventsMelt-rich channel observed at the lithosphere–asthenosphere boundaryInternational Geomagnetic Reference Field : the 12th generation
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossrefCiNii Articles科学研究費助成事業データベース科学研究費助成事業データベース
- Bibliographic ID (NDL)
- 11125879
- NAID
- 120006491592