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Thermal Studies on Trench-arc-backarc Systems

Research Project

Project/Area Number 60420013
Research Category

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

Allocation TypeSingle-year Grants
Research Field 固体地球物理学
Research InstitutionThe University of Tokyo

Principal Investigator

UVEDA Seiva  Earthquake Research Institute,University of Tokyo, 地震研究所, 教授 (60011459)

Co-Investigator(Kenkyū-buntansha) KINOSHITA Hajimu  Faculty of Science,Chiba University, 理学部, 教授 (10110347)
WAKITA Hiroshi  Faculty o Science,University of Tokyo, 理学部地殻化学実験施設, 助教授 (40011689)
YAMANO Makoto  Earthquake Research Institute,University of Tokyo, 地震研究所, 助手 (60191368)
FUJISAWA Hideyuki  Earthquake Research Institute,University of Tokyo, 地震研究所, 助手 (50012927)
HAMANO Yozo  Earthquake Research Institute,University of Tokyo, 地震研究所, 助教授 (90011709)
藤井 敏嗣  東京大学, 地震研究所, 助教授 (00092320)
Project Period (FY) 1985 – 1988
Project Status Completed (Fiscal Year 1988)
Budget Amount *help
¥33,200,000 (Direct Cost: ¥33,200,000)
Fiscal Year 1988: ¥2,800,000 (Direct Cost: ¥2,800,000)
Fiscal Year 1987: ¥7,000,000 (Direct Cost: ¥7,000,000)
Fiscal Year 1986: ¥8,000,000 (Direct Cost: ¥8,000,000)
Fiscal Year 1985: ¥15,400,000 (Direct Cost: ¥15,400,000)
KeywordsTrench-arc-backarc system / Terrestrial heat flow / Crustal heat generation / Hydrothermal activity / Backarc basin / Collision zone / 背孤海盆 / 衝突帯 / 地下温度構造 / 沖縄トラフ / 海底温度長期モニタリングシステム / 南海トラフ / 地殻内発熱 / 火山フロント / シロウリガイ / 海洋地殻第三層 / 熱水性マウンド / 長時間地下温度自動記録装置 / 地電位差 / 多素子埋め込み式温度計 / 長時間地下温度 / 放射化分析 / 自動記録装置
Research Abstract

The main objective of the project was to obtain sufficient observational constraints on theoretical models to explain the pattern of heat flow distribution in trench-arc-backarc systems: namely the zonal arrangement of trenchward low heat flow and backarcward high heat flow zones. 1. We made a detailed study on the nature of the transition between the low and high heat flow zones, through developing a new technique for utilizing shallow holes. It was found that the transition takes place sharply between the aseismic and the volcanic fronts. 2. Extremely high heat flow and vigorous hydrothermal activities, similar those on mid-oceanic ridges, were discovered in the Okinawa and Mariana troughs testifying to the similarity between ocean floor spreading and backarc spreading processes. Such activities were sighted by deep submersibles also. 3. Some exceptions to the characteristic pattern of heat flow were also investigated, e.g. high heat flow at the bottom of the Nankai Trough where a young seafioor plate is subducting. Fof such studies, a new technique of hest flow estimation using the information on gas-hydrate layering was also used. 4. Contribution of heat generated in the crust in Japan has been estimated by measuring the contents of radioactive elements in rocks of possible deep crustal origin exposed in Hidaka mountains. Based on these and ohter measurements, made in such areas as Peru, Japan-Kurile and Yap Trenches, Japan Sea and Central Japan, distributions of temperature and Moho heat flow under arcs have been estimated. Some modelling investigation was made also on the thermal process associated with the collision between Eurasia and India to understand the genesis of granites and inverted metamorphic zones in the Himalayas. For the future work, it is highly desirable that the shallow sea areas, such as the East China Sea, be investigated geothermally more fully, because of both their geodynamic and economic importances.

Report

(5 results)
  • 1988 Annual Research Report   Final Research Report Summary
  • 1987 Annual Research Report
  • 1986 Annual Research Report
  • 1985 Annual Research Report
  • Research Products

    (66 results)

All Other

All Publications (66 results)

  • [Publications] S.Uyeda: Proc.Japan Acade.61,Ser.B. 145-148 (1985)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] 上田誠也: 海洋科学技術センター試験研究報告「しんかい2000」研究シンポジウム特集. 123-142 (1985)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] H.Kinoshita: Init.Rep.Deep Sea Drill.Proj.87. 737-743 (1985)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] 古川善紹: 火山第2集. 31. 15-28 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M.Yamano: Bull Earthq.Res.Inst.61. 251-267 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M.Yamano: Bull.Earthq.Res.Inst.61. 311-327 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] 佐藤博明: 火山第2集. 31. 193-201 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] 上田誠也: 学術月報. No.10 Vol.40. 6-10 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] K.Fujioka: Bull.Earthq.Res.Inst.62. 61-132 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] 木村政昭: 海洋科学技術センター試験研究報告 第3回「しんかい2000」研究シンポジウム報告書. 165-196 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M.Yamano: Bull.Earthq.Res.Inst.62. 417-432 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M.Kimura: Tectonophysics. 145. 319-324 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] 山野誠: 地球科学. 22. 57-64 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] 山野誠: 第4回「しんかい2000」研究シンポジウム報告書. 25-36 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M.Yamano: Tectonophysics.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] 古川善紹: 月刊海洋. 21. 39-46 (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] T.Nagao: Tectonophysics.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Y.Furukawa: Tectonophysics.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] S.Nagihara: Tectonophysics.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M.Yamano: "The Ocean Basins and Margins,Vol.7B" Plenum Press,New York, 523-557 (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] S.Uyeda: "Handbook of Terrestrial Heat-Flow Density Determination" Kluwer Acade.Publ.,Dordrecht,Holland, 317-351

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M.Yamano: "Handbook of Seafloor Heat Flow" CRC Press,Inc.,Boca Raton,Florida, 277-303

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] S. Uyeda: "Spreading center of the Okinawa Trough" Tech. Rept. Japan Marine Sci. Tech. Center -Deepsea Research Using the Submersible "SHINKAI 2000" System-. 123-142 (1985)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Y. Furukawa: "Thermal state under Tohoku arc with consideration of crustal heat generation" Bull. Volcanol. Soc. Japan. 31. 15-28 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] H. Sato: "On the presence of a Quaternary volcano in southeast margin of the Japan Basin" Bull. Volcanol. Soc. Japan. 31. 193-201 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] S. Uyeda: "Geothermal studies on the tectonics of island arcs" Japanese Scientific Monthly. 40. 6-10 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Kimura: "Submersible SHINKAI 2000 study on the central rift in the middle Okinawa Trough" Tech. Rept. Japan Marine Sci. Tech. Center, The 3rd Symposium on Deep-sea Research Using the Submersible "SHINKAI 2000" System. 165-196 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Yamano: "Heat flow and hydrothermal circulation in the middle Okinawa Trough" Chikyukagaku. 22. 57-64 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Yamano: "Results of a dive study at the eastern foot of the Okushiri Ridge on the eastern margin of the Sea of Japan" Tech. Rept. Japan Marine Sci. Tech. Center The 4th Symposium on Deep-sea Research Using the Submersible "SHINKAI 2000" System. 57-64 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Y. Furukawa: "Thermal structure under the Japanese Islands" Kaiyo Monthly. 21. 57-64 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] S. Uyeda: "Heat flow measurements in Lake Biwa, central Japan" Prof. Japan Acade.61, Ser.B. 145-148 (1985)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Yamano: "Report on DELP 1984 cruises in the middle Okinawa Trough Part IV: Heat flow measurements" Bull. Earthq. Res. Inst.61. 251-267 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Yamano: "Heat flow measurements in the northern and middle Ryukyu Arc area on R/V Sonne in 1984" Bull. Earthq. Res. Inst.61. 311-327 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] H. Kinoshita: "The heat flow anomaly in the Nankai Trough area" Init. Rep. Deep Sea Drill. Proj.87. 737-743 (1985)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] K. Fujioka: "Preliminary report of the KT 86-10 cruise for the Mikura and Hachijo Basin" Bull. Earthq. Res. Inst.62. 61-132 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Yamano: "Report on DELP 1985 Cruises in the Japan Sea Part V: Heat flow measurements" Bull. Earthq. Res. Inst.62. 417-432 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Kimura: "Active hydrothermal mounds in the Okinawa Trough backarc basin, Japan" Tectonophysics. 145. 319-324 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Yamano: "Heat flow measurements in the middle Okinawa Trough" Tectonophysics.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] T. Nagao: "Heat flow measurements in the northern part of Honshu, northeast Japan by using shallow holes" Tectonophysics.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] Y. Furukawa: "Thermal state under the Tohoku arc with consideration of crustal heat generation" Tectonophysics.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] S. Nagihara: "Geophysical observations around the northern Yap Trench: Seismicity, gravity and heat flow" Tectonophysics.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Yamano: The Ocean Basins and Margins, Vol.7B. Plenum Press, New York, 523-557 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] S. Uyeda: Handbook of Terrestrial Heat-Flow Density Determination. Kluwer Acade. Publ., Dordrecht, Holland, 317-351 (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] M. Yamano: Handbook of Seafloor Heat Flow. CRC Press, Boca Raton, Florida, 277-303 (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1988 Final Research Report Summary
  • [Publications] 山野誠: 地球化学. 22. 57-64 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 山野誠: 第4回「しんかい2000」研究シンポジウム報告書海洋科学技術センター試験研究報告. 25-36 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] 古川善紹: 月刊海洋. 21. 39-46 (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] M.Yamano: Tectonophysice.

    • Related Report
      1988 Annual Research Report
  • [Publications] T.Nagao: Tectonophysics.

    • Related Report
      1988 Annual Research Report
  • [Publications] Y.Furukawa: Tictonophysics.

    • Related Report
      1988 Annual Research Report
  • [Publications] M.Yamano: "The Ocean Basins and Margins,Vol.7B" Plenum Press,New York, 523-557 (1988)

    • Related Report
      1988 Annual Research Report
  • [Publications] M.Yamano: "Handbook of Seafloor Heat Flow" CRC Press,Boca Raton,FLorida, 277-303 (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] 上田誠也: 学術月報. 40. 6-10 (1987)

    • Related Report
      1987 Annual Research Report
  • [Publications] 木村政昭: 海洋科学技術センター試験研究報告 第3回『しんかい2000』研究シンポジウム. 165-196 (1987)

    • Related Report
      1987 Annual Research Report
  • [Publications] K. Fujioka: Bulletin of the Earthquake Research Institute, Univesity of Tokyo. 62. 61-132 (1987)

    • Related Report
      1987 Annual Research Report
  • [Publications] M. Yamano: Bulletin lf the Earthquake Research Institute, Univesity of Tokyo. 62. 417-432 (1987)

    • Related Report
      1987 Annual Research Report
  • [Publications] M. Kimura: Tectonophysics. 145. 319-324 (1988)

    • Related Report
      1987 Annual Research Report
  • [Publications] 上田誠也: in"The Origin of Arcs"(Elsevier Science Publishers B.V.). 435-460 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] 上田誠也: 月刊地球. 8. 439-447 (1987)

    • Related Report
      1986 Annual Research Report
  • [Publications] 山野誠: 東京大学地震研究所彙報. 61. 251-267 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] 山野誠: 東京大学地震研究所彙報. 61. 311-327 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] 木下肇: Initial Reports of the Deep Sea Drilling Project. 87. 737-743 (1985)

    • Related Report
      1986 Annual Research Report
  • [Publications] Proceedings of Japan Academy. 61. (1985)

    • Related Report
      1985 Annual Research Report
  • [Publications] Tectonophysics. 119. (1985)

    • Related Report
      1985 Annual Research Report
  • [Publications] 海洋科学技術センター試験研究報告. (1985)

    • Related Report
      1985 Annual Research Report
  • [Publications] 地震研究所彙報. (1986)

    • Related Report
      1985 Annual Research Report

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Published: 1987-03-31   Modified: 2016-04-21  

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