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2018 年度 実績報告書

海嶺沈み込みによる地球深部構造への影響と大陸衝突による地震分布への影響

研究課題

研究課題/領域番号 17F17718
研究機関国立研究開発法人海洋研究開発機構

研究代表者

山田 泰広  国立研究開発法人海洋研究開発機構, 海洋掘削科学研究開発センター, 研究開発センター長 (20362444)

研究分担者 CHEN ZHIHAO  国立研究開発法人海洋研究開発機構, 海洋掘削科学研究開発センター, 外国人特別研究員
研究期間 (年度) 2017-07-26 – 2020-03-31
キーワードAnalogue experiment / plate subduction / continental collision
研究実績の概要

During the year (April 2018-March 2019), one of my co-authored manuscripts was accepted to publish in Physics of the Earth and Planetary Interiors. I have worked and finished to process experimental data which I have done. This resulted in writing a manuscript regarding the influence of the presence of an overriding plate and an interplate rheology on trench retreat and subduction dynamics, which has already been submitted to Geophysical Journal International. Furthermore, I have participated, as the second author, in writing another manuscript in regards to investigate the process of India-Asia collision and extensive intraplate deformation in East Asia. This paper is based on results from an innovative analogue modelling, and we found that only the synchronous activity and interaction of the collision zone and subduction zones can explain East Asian deformation. The research also demonstrates that enigmatic east-west extension in Tibet, eastward continental extrusion and backarc basin formation along the East Asian margin are directly controlled by large-scale Pacific slab rollback. This manuscript has been submitted to Science. Finally, I have taken several opportunities to visit Chinese Universities (e.g., Southern University of Science and Technology and China University of Geoscience (Wuhan)), to establish further research collaborations.

現在までの達成度 (区分)
現在までの達成度 (区分)

2: おおむね順調に進展している

理由

Published one paper, and submitted two manuscripts to scientific journals. More data analysis is underway.

今後の研究の推進方策

I will process another set of experimental data which I have done. This work would later result in another manuscript that will be submitted to a scientific journal.

  • 研究成果

    (1件)

すべて 2018

すべて 雑誌論文 (1件) (うち国際共著 1件、 査読あり 1件)

  • [雑誌論文] Benchmark of three-dimensional numerical models of subduction against a laboratory experiment2018

    • 著者名/発表者名
      Meriaux Catherine A., May Dave A., Mansour John, Chen Zhihao, Kaluza Owen
    • 雑誌名

      Physics of the Earth and Planetary Interiors

      巻: 283 ページ: 110~121

    • DOI

      doi:10.1016/j.pepi.2018.07.009

    • 査読あり / 国際共著

URL: 

公開日: 2019-12-27  

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