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1999 Fiscal Year Final Research Report Summary

DETAILED STUDIES ON THE STRUCTURE OF MID ATLANTIC RIDGE

Research Project

Project/Area Number 09044046
Research Category

Grant-in-Aid for Scientific Research (A).

Allocation TypeSingle-year Grants
Section一般
Research Field 固体地球物理学
Research InstitutionHOKKAIDO UNIVERSITY

Principal Investigator

SHIMAMURA Hideki  Hokkaido Univ., Grad. School of Sci., Professor., 大学院・理学研究科, 教授 (10011636)

Co-Investigator(Kenkyū-buntansha) TAKANAMI Tetsuo  Hokkaido Univ., Grad.School of Sci., Associate Professor., 大学院・理学研究科, 助教授 (60002177)
NISHIMURA Yuichi  Hokkaido Univ., Grad. School of Sci., Instructer., 大学院・理学研究科, 助手 (20208226)
村井 芳夫  北海道大学, 大学院・理学研究科, 助手 (40301931)
TYO Ikuo  Hokkaido Univ., Grad.School of Sci., Part-time researcher., 大学院・理学研究科, 非常勤研究員
WATANABE Tomoki  Hokkaido Univ., Grad.School of Sci., Part-time researcher., 大学院・理学研究科, 非常勤研究員
Project Period (FY) 1997 – 1999
KeywordsOcean Bottom Seismographs / Seismicity / Mid Atlantic Ridge / Subbottom Structure under the Atlantic / Icelandic Hot Spot / Plate Tectonics
Research Abstract

By the use of Ocean Bottom Seismographs (OBS), which was developed by the head investigator and his colleagues in Japan, we investigated the subbottom structure of the region from Mid Atlantic Ridge through Norwegian Atlantic coast with detail by means of controlled source seismology. Also, microearthquake survey by the use of OBS has revealed the detailed seismicity which is a direct results from the activity and movement of oceanic lithosphere which was born at the Mid Atlantic Ridge.

  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] Mjelde,R.,Digranes,P.,Van Schaack,M.,Shimamura,H.,Shiobara,H.Kodaira,S.,Naess,O.,Sorenes,N.a: "Crustal structure of the outer Voring Plateau, offshore Norway, from ocean bottom seismic and gravity data"Journal of Geophysical Research. (in press).

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Berg,E.,Amundsen,K.,Morton,A.,Mjelde,R.,Shimamura,H.,Shiobara,H.,Kanazawa,T.,Kodaira,S.,an: "Three component OBS-data processing for lithology and fluid prediction in the mid-Norway margin, NE Atlantic"Earth, Planets and Space. (in press).

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Weir,N.R.,White,R.S.,Brandsdottir,B.,Einarsson,P.,Shimamura,H.,Shiobara,H. and the RISE Fieldwork: "Crustal structure of the Northern Reykjanes Ridge and Reykjanes Peninsula, Southwest Iceland"Journal of Geophysical Research. (in press).

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Mochizuki,M.;Brandsdottir,B.;Shiobara,H.;Gudmundsson,G.;Stefansson,R.;Shimamura,H: "Detailed distribution of microearthquakes along the northern Reykjanes Ridge, off SW-Iceland"Geophys.Res.Lett.. 27(13). 1945-48 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Mjelde,R.,Digranes,P.,Shimamura,H.,Shiobara,H.Kodaira,S.,Brekke,H.,Egebjerg,T.,Soerenes,N.an: "Crustal structure of the northern part of the Voering Basin, mid-Norway margin, from wide-angle seismic and gravit"Tectonophysics. 293. 175-205 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kodaira,S.,Mjelde,R.,Gunnarsson,K.,Shiobara,H., and Shimamura,H.: "Evolution of oceanic crust on the Kolbeinsey Ridge, north of Iceland, over the past 22 Myr."Terra Nova. 10. 27-31 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kodaira,S.,Mjelde,R.,Gunnarsson,K.,Shiobara,H., and Shimamura,H.: "Structure of the Jan Mayen microcontinent and implications for its evolution"Geophysical Journal International. 132. 235-257 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Mjelde,R.,Kodaira,S.,Shimamura,H.,Kanazawa,T.,Shiobara,H.,Berg,E.W., and Riise,O.: "Crustal structure of the central part of the Voring Basin, mid-Norway margin, from Ocean Bottom Seismographs"Tectonophysics. 277. 235-257 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Mjelde,R.,Kodaira,S.,Digranes,P.,Shimamura,H.,Kanazawa,T.,Shiobara,H.,Berg,E.W., and Riise,O.: "Comparison between a regional and semi-regional crustal OBS model in the Voring Basin, mid-Norway margin"Pure and Applied Geophysics. 149. 641-665 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 島村英紀: "地震は妖怪騙された学者たち"講談社. 205 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 島村英紀: "地震と火山の島国-極北アイスランドで考えたこと"岩波書店. 224 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Mjelde, R., Digranes, P., Van Schaack, M., Shimamura, H., Shiobara, H.Kodaira, S., Naess, O., Sorenes, N.and Vaagnes, E.: "Crustal structure of the outer Voring Plateau, offshore Norway, from ocean bottom seismic and gravity data"Journal of Geophysical Research.. accepted. (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Berg, E., Amundsen, L., Morton, A., Mjelde, R., Shimamura, H., Shiobara, H., Kanazawa, T., Kodaira, S., and J.P.Ejellanger, J.P.: "Three component OBS-data processing for lithology and fluid prediction in the mid-Norway margin, NE Atlantic"Earth, Planets and Space.. (accepted).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Weir, N.R., White, R.S., Brandsdottir, B., Einarsson, P., Shimamura, H., Shiobara, H.and the RISE Fieldwork Team (Fiona Darbyshire, Gunnar Gunnarsson, Vala Hjorleifsdottir, Kristin Jonsdottir, Masashi Mochizuki, Ayako Nakanishi, John Smallwood and Robert Staples): "Crustal structure of the Northern Reykjanes Ridge and Reykjanes Peninsula, Southwest Iceland"Journal of Geophysical Research. (accepted).

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Mochizuki, M. ; Brandsdottir, B. ; Shiobara, H. ; Gudmundsson, G. ; Stefansson, R. ; Shimamura, H.: "Detailed distribution of microearthquakes along the northern Reykjanes Ridge, off SW-Iceland"Geophys. Res.Lett.. Vol.27, No.13. 1945-1948 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Demetrescu, C., and Shimamura, H.: "Groundwater microtemperature measurements in Romania"in Microtemperature Signals of the EArth's Crust, edited by G.Bunterbath, Seminar der Dr.Wilhelm Heinrich Heraus und Else Heraus-Stiftung. 142-146 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Mjelde, R., Digranes, P., Shimamura, H., Shiobara, H.Kodaira, S., Brekke, H., Egebjerg, T., Soerenes, N.and Thorbjoernsen, T.: "Crustal structure of the northern part of the Voering Basin, mid-Norway margin, from wide-angle seismic and gravity data"Tectonophysics. 293. 175-205 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Digranes, P.Mjelde, R., Kodaira, S., Shimamura, H., Kanazawa, T., Shiobara, H.and Berg, E.W.: "A regional shear-wave velocity model in the central Voring Basin, N.Norway, using three-component Ocean Bottom Seismographs."Tectonophysics.. (in press). (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kodaira, S., Mjelde, R., Gunnarsson, K., Shiobara, H., and Shimamura, H.: "Evolution of oceanic crust on the Kolbeinsey Ridge, north of Iceland, over the past 22 Myr."Terra Nova. 10. 27-31 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kodaira, S., Mjelde, R., Gunnarsson, K., Shiobara, H., and Shimamura, H.: "Structure of the Jan Mayen microcontinent and implications for its evolution"Geophysical Journal International. 132. 383-400 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Mjelde, R., Kodaira, S., Shimamura, H., Kanazawa, T., Shiobara, H., Berg, E.W., and Riise, O.: "Crustal structure of the central part of the Voring Basin, mid-Norway margin, from Ocean Bottom Seismographs"Tectonophysics. 277. 235-257 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Mjelde, R., Kodaira, S., Digranes, P., Shimamura, H., Kanazawa, T., Shiobara, H., Berg, E.W., and Riise, O.: "Comparison between a regional and semi-regional crustal OBS model in the Voring Basin, mid-Norway margin"Pure and Applied Geophysics. 149. 641-665 (1997)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2002-03-26  

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