Imanishi Yuichi

イマニシユウイチ | Imanishi Yuichi

Affiliation and department：

Research field (1)： Solid earth science

Research keywords (2)： absolute gravimeter , superconducting gravimeter

Research theme for competitive and other funds (29)：

2021 - 2024 2台の超伝導重力計を用いた重力水平勾配観測による地震即時重力変化の検出
2020 - 2023 Precise gravity monitoring in and around the Kussharo Caldera at eastern Hokkaido, Japan
2019 - 2022 Study of magnetic levitation with a diamagnetic material for development of geophysical sensors
2014 - 2018 Development of a gravimeter based on magnetic levitation with diamagnets
2015 - 2017 Instantaneous detection of mega earthquakes by precise gravity field measurement

2014 - 2017 Groundwater monitoring by gravimeters and seismometers around a slow sliip event region

2011 - 2016 3D tomography of volcanoes and faults using cosmic ray radiography and gravity measurement

2012 - 2015 Tsunami generation process of mega-quakes revealed by atmospheric pressure wave analyses

2011 - 2015 What controls recurrence periods of slow slips? Exploring the behavior of crustal fluids with gravity observation

2008 - 2009 多点展開を目指したサーボ型高精度微気圧計の開発

2006 - 2008 Meteorological Observations at Mt. Ikenoyama, Kamioka-A 3-D Barometric Correction for Superconducting Gravimetry

2004 - 2006 Detection of the oscillations of Earth's core by a collaboration observation with superconducting gravimeters and laser strain meters-Comparison between the Kamioka site and Matsushiro site-

2004 - 2005 Meteorology in Tunnel - Effect of barometric pressure changes on extensometer observations

2002 - 2005 Establishment of an Absolute Gravity Network in East-Asia and Precise Monitoring of Gravity Changes

2003 - 2004 Study on refinements of the highly sensitive/wide band servo-type seismometer using the astatic rotational pendulum

2002 - 2004 Studies on global gravity changes by means of absolute gravity measurements at the GGP-JAPAN superconducting gravity stations.

1999 - 2004 マントルプルームと海台の研究

1999 - 2001 Precise Observation of the Secular-Gravity Changes by means of the combination of Absolute and Superconducting Gravimeters.

1998 - 1999 Comparison Research on Gravity Changes in Indonesia, China and Japan by Employing Superconducting Gravimeters

1996 - 1997 航空重力測定〜海陸境界で不連続性のない重力異常のマッピング法の開発

1996 - 1997 Ocean and earth dynamics study by TOPEX/POSEIDON altimeter

1996 - 1996 広帯域地震計との並行観測に基づく超伝導重力計のフィードバック機構の改良

1996 - 1996 自由コア章動と年周逆行章動成分の精密決定

1994 - 1996 Determination of cm level ocean tide models with TOPEX/POSEIDON Altimetry data

1995 - 1995 超伝導重力計による地球自由振動コア・モードの観測

高速高分解能データ収録システムの開発

超伝導重力計による地球ダイナミクスの研究

Development of high-rate and high-resolution data acquisition system

Study of the Earth's Dynamics by a Superconducting Gravimeter

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Papers (38)：

Yoshiaki Tamura, Takahito Kazama, Ryuichi Nishiyama, Koji Matsuo, Yuichi Imanishi. Postseismic gravity changes after the 2011 Tohoku earthquake observed by superconducting gravimeters at Mizusawa, Japan. Earth, Planets and Space. 2023. 75. 1
Cooperative Gravity Measurements in Izu-Oshima for Revealing Subsurface Volcanic Processes and Application to Evaluation of Volcanic Activities. Bulletin of Earthquake Research Institute, the University of Tokyo. 2023. 97. 13-32
Imanishi, Y, Nishiyama, R, Honda, R. Absolute Gravity Measurements in Mt. Fuji with two FG5 Gravimeters in September 2022 : Establishment of Calibration Line for Relative Gravimeters and Calibration of Instrumental Offsets of FG5 Gravimeters. Bulletin of Earthquake Research Institute, the University of Tokyo. 2023. 97. 1-11
Calibration of Reading Value Dependence of Scale Factors for LaCoste and Scintrex Relative Gravimeters. Journal of the Geodetic Society of Japan. 2023. 68. 49-68
Shingo Watada, Yuichi Imanishi, Kenji Tanaka. Detection of Air Temperature and Wind Changes Synchronized With the Lamb Wave From the 2022 Tonga Volcanic Eruption. Geophysical Research Letters. 2023. 50. 2

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MISC (49)：

若林環, 風間卓仁, 大柳諒, 岡田和見, 青山裕, 高橋浩晃, 田村良明, 今西祐一, 西山竜一, 福田洋一, et al. Reading value dependence of scale factors for spring-type relative gravimeters (2nd report). 日本測地学会講演会要旨. 2021. 136th
大久保修平, 山本圭吾, 井口正人, 田中愛幸, 今西祐一, 西山竜一, 安藤美和子, 渡邉篤志. 絶対重力の長期変動から読み解く桜島の火山活動(2009 年~2018年). 地球惑星科学連合2019年大会. 2019. SGD01-07
望月一磨, 望月一磨, 名和一成, 今西祐一, 木村武志. F-net石垣観測点におけるgPhone重力計観測. 日本測地学会講演会要旨. 2017. 128th. 179-180
今西祐一, 名和一成, 田村良明, 池田博. 石垣島における超伝導重力計観測への水平加速度の影響. 日本測地学会講演会要旨. 2017. 128th. 35-36
名和一成, 望月一磨, 今西祐一. 石垣島におけるgPhone重力計観測. 東濃地震科学研究所報告. 2017. 38. 81-84-84

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Education (4)：

- 1991 The University of Tokyo
- 1991 The University of Tokyo Graduate School, Division of Science
- 1986 The University of Tokyo Faculty of Science
- 1986 The University of Tokyo Faculty of Science

Professional career (1)：

Doctor (Science) (The University of Tokyo)

Work history (1)：

The University of Tokyo Atmosphere and Ocean Research Institute, Division of Ocean-Earth System Science, Submarine Geophysics Group

Association Membership(s) (2)：

日本測地学会 , 日本地震学会

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