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

• Project/Area Number: 18340127
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Solid earth and planetary physics
• Research Institution: The University of Tokyo
• Principal Investigator: IMANISHI Yuichi The University of Tokyo, 海洋研究所, 助教 (30260516)
• Co-Investigator(Kenkyū-buntansha): WATADA Shingo 東京大学, 地震研究所, 助教 (30301112) ; 森井 亙 京都大学, 防災研究所, 助教 (30221633) ; 田村 良明 国立天文台, 電波研究所, 主任研究員 (90150002)
• Co-Investigator(Renkei-kenkyūsha): MORII Wataru 京都大学, 防災研究所, 助教 (30221633) ; TAMURA Yoshiaki 国立天文台, 水沢VLBI 観測所, 助教 (90150002)
• Research Collaborator: WADA Yasuo 京都大学, 防災研究所, 職員
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥9,030,000 (Direct Cost: ¥8,100,000、Indirect Cost: ¥930,000); Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000); Fiscal Year 2007: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2006: ¥5,000,000 (Direct Cost: ¥5,000,000)
• Keywords: 超伝導重力計 / 気圧 / 神岡 / 地震 / 測地 / 地球・惑星内部構造

Research Abstract

スーパーカミオカンデで知られる神岡鉱山の真上にあたる池ノ山(標高1369m)の山頂付近に,高精度な気圧計を設置して連続観測を行った.地下に置かれた超伝導重力計による精密重力観測におよぼす大気の影響を,精度よく補正するためである.山の上と下で測られた気圧データにもとづき,大気の鉛直構造を考慮に入れてモデリングを行うことが,周期数時間といった短周期帯域における重力の残差を小さくするのに有効であることがわかった.

Research Products

• [Journal Article] High-frequency parasitic modes of superconducting gravimeters (2009)
  • Author(s): Imanishi, Y.
  • Journal Title: J.Geodesy 83 Pages: 445-467
  • Peer Reviewed
• [Journal Article] Radiation of acoustic and gravity waves and propagation of boundary waves in the stratified fluid from atime-varying bottom boundary (2009)
  • Author(s): Watada, S.
  • Journal Title: J. FluidMech 627 Pages: 361-377
  • Peer Reviewed
• [Journal Article] High-frequency parasitic modes of superconducting gravimeters (2009)
  • Author(s): Imanishi, Y.
  • Journal Title: J. Geodesy 83 Pages: 455-467
  • Peer Reviewed
• [Journal Article] Radiation of acoustic and gravity waves and propagation of boundary waves in the stratified fluid from a time-varying bottom boundary (2009)
  • Author(s): Watada, S.
  • Journal Title: J. Fluid Mech. 627 Pages: 361-377
  • NAID: 120001072850
  • Peer Reviewed
• [Journal Article] Low-frequency acoustic-gravity waves from tectonic deformation associated with the 2004 Sumatra-Andaman earthquake (Mw=9.2) (2009)
  • Author(s): Mikumo, T.
  • Journal Title: J. Geophys. Res. 113
  • Peer Reviewed
• [Journal Article] Low-frequency acoustic-gravity waves from tectonic deformation associated with the 2004 Sumatra-Andaman earthquake (Mw=9.2) (2008)
  • Author(s): Mikumo, T. Shibutani, T., Pichon, A. L., Garces, M., Fee, D., Tsuyuki, T., Watada, S., Morii, W.
  • Journal Title: J.Geophys. Res. 113(doi : 10.102-2008JB0057)
  • Peer Reviewed
• [Journal Article] Effect of underground water on gravity observation at Matsushiro, Japan (2006)
  • Author(s): Imanishi, Y., Kokubo, K. and Tatehata, H.
  • Journal Title: J.eodynamics 41 Pages: 221-226
  • Peer Reviewed
• [Journal Article] Hydrological effects on the superconducting gravimeter observation in Bandung (2006)
  • Author(s): Abe, M., Takemoto, S., Fukuda, Y., Higashi, T., Imanishi, Y., Iwano, S., Ogasawara, S., Kobayashi, Y., Dwipa, S., Kusuma, D.S.
  • Journal Title: J. Geodynamics 41 Pages: 288-295
  • Peer Reviewed
• [Journal Article] Combination of temporalgravity variations resulting fromsuperconducting gravimeter (SG)recordings, GRACE satellite observationsand global hydrology models (2006)
  • Author(s): Neumeyer, J., Barthelmes, F., Dierks, O., Flechtner, F., Harnisch, M., Harnisch, J., Hinderer, J., Imanishi, Y., Kroner, C., Meurers, B., Petrovic, S., Reigber, Ch., Schmidt, R., Schwintzer, P., Sun, H.-P., Virtanen, H.
  • Journal Title: J. Geodesy 79 Pages: 573-585
  • Peer Reviewed
• [Journal Article] Effect of underground water on gravity observation at Matsushiro, Japan (2006)
  • Author(s): Imanishi, et al.
  • Journal Title: J. Geodynamics 41 Pages: 221-226
• [Journal Article] Hydrological effects on the superconducting gravimeter observation in Bandung (2006)
  • Author(s): Abe, et al.
  • Journal Title: J. Geodynamics 41 Pages: 288-295
• [Journal Article] Combination of temporal gravity variations resulting from superconducting gravimeter (SG) recordings, GRACE satellite observations and global hydrology models (2006)
  • Author(s): Neumeyer, et al.
  • Journal Title: J. Geodesy 79 Pages: 573-585
• [Journal Article] 伸縮計記録を用いたスリヒター・モード検出の試み (2006)
  • Author(s): 小巻あずみ, 他
  • Journal Title: 月刊地球 Vol.28, No.9 Pages: 623-631
• [Journal Article] Atmospheric Pressure Change Associated with the 2003 Tokachi-Oki Earthquake (2006)
  • Author(s): Watada, et al.
  • Journal Title: Geophys. Res. Lett. 33
• [Journal Article] 振動台を用いた気圧測定装置の加速度応答 (2006)
  • Author(s): 綿田辰吾, 他
  • Journal Title: 東京大学地震研究所技術研究報告 12 Pages: 19-23
  • NAID: 40015340026
• [Journal Article] J. FluidMech.Acoustic-gravity waves from earthquake sources, in "Infrasound monitoring for atmospheric studies" Le-Pichon et al.(eds)
  • Author(s): Mikumo, T. and Watada, S.
  • Journal Title: Springer (印刷中)
  • Peer Reviewed
• [Presentation] 松代および神岡で記録された2007 年能登半島地震および2007年新潟県中越沖地震による重力変 (2009)
  • Author(s): 今西祐一・田村良明・池田博・大久保修平
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 東京
  • Year and Date: 2009-05-21
• [Presentation] 超伝導重力計T016の支持磁場の再調整について (2009)
  • Author(s): 今西祐一・田村良明・池田博・新谷昌人・大橋正健
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 東京
  • Year and Date: 2009-05-19
• [Presentation] Energy flow of acoustic-gravity waves from the time-varying bottom boundary in the isothermal atmosphere (2008)
  • Author(s): Watada, S.
  • Organizer: 7th General Assembly of Asian Seismological Comission
  • Place of Presentation: つくば市国際会議場
  • Year and Date: 2008-11-25
• [Presentation] Surface gravity observation and coseismic gravity changes (2008)
  • Author(s): Imanishi, Y.
  • Organizer: ETS2008
  • Place of Presentation: Jena
  • Year and Date: 2008-09-01
• [Presentation] Surface gravity observation and coseismic gravity changes (2008)
  • Author(s): Imanishi, Y.
  • Organizer: ETS 2008
  • Place of Presentation: Jena, Germany
  • Year and Date: 2008-09-01
• [Presentation] 坑内における気圧観測の問題点について (2008)
  • Author(s): 今西祐一
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 東京
  • Year and Date: 2008-05-29
• [Presentation] 超伝導重力計の寄生振動について (2008)
  • Author(s): 今西祐一
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 東京
  • Year and Date: 2008-05-29
• [Presentation] 中部日本SG アレイによって観測された2006 年11月15 日および2007 年1月13日の千島の地震による重力変化 (2007)
  • Author(s): 今西祐一・名和一成・池田博・山田功夫・孫文科・大久保修平
  • Organizer: 日本地球惑星科学連合2007年大会
  • Place of Presentation: 東京
  • Year and Date: 2007-05-24
• [Presentation] 神岡・池ノ山山頂における気象観測 (2007)
  • Author(s): 今西祐一・綿田辰吾・森井亙・田村良明・和田安男
  • Organizer: 日本地球惑星科学連合2007年大会
  • Place of Presentation: 東京
  • Year and Date: 2007-05-22
• [Presentation] 地殻変動観測に及ぼす地下水圧の影響 (2007)
  • Author(s): 森井亙
  • Organizer: 日本地球惑星科学連合2007年大会
  • Place of Presentation: 東京
  • Year and Date: 2007-05-22
• [Presentation] 近畿地方とその周辺における地殻変動連続観測 (2007)
  • Author(s): 森井亙, 尾上謙介, 中村佳重郎, 大谷文夫, 竹内文朗, 渡辺邦彦, 寺石眞弘, 細善信, 和田安男, 園田保美
  • Organizer: 日本地球惑星科学連合2007年大会
  • Place of Presentation: 東京
  • Year and Date: 2007-05-22