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High precision chronology of palaeoenvironments in the past 33,000 years in southern Kyushu and Nansei Islands based on tephrochronology

Research Project

Project/Area Number 18K01122
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 04010:Geography-related
Research InstitutionKagoshima University

Principal Investigator

Moriwaki Hiroshi  鹿児島大学, 法文教育学域法文学系, 名誉教授 (70200459)

Co-Investigator(Kenkyū-buntansha) 鈴木 毅彦  東京都立大学, 都市環境科学研究科, 教授 (60240941)
永迫 俊郎  鹿児島大学, 法文教育学域教育学系, 准教授 (70709518)
吉田 明弘  鹿児島大学, 法文教育学域法文学系, 准教授 (80645458)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords南西諸島 / 喜界島 / 砂丘 / 後期更新世 / 完新世 / テフラ編年 / 形成環境 / 高精度編年 / 南九州 / テフラ / 更新世 / 臨海平野 / 編年 / 古環境 / 低地 / シラス台地
Outline of Final Research Achievements

High precision chronology for palaeoenvironmental change in the past around 30,000, in particular for geomorphic change in the coastal area on the basis of tephrochronology. Main results are on the chronology of Pleistocene and Holocene coastal sand dunes, and their forming environments in Kikaijima Island, Nansei Islands. Nine tephra beds were identified. It was clarified on the basis of C-14 dates as well as tephras that large sand dunes were formed around 30,000 - 40,000 years ago in the late Pleistocene, and that the formation of sand beach associated with tectonic rise and strong wind under colder climate were responsible for the sand dune formation in the late Pleistocene. Holocene coastal sand dunes began to form around 8,000 years ago, which implies sand dune formation earlier than that of other coasts of Japanese Islands.

Academic Significance and Societal Importance of the Research Achievements

主な成果は,海岸砂丘の編年と形成環境に関するものである.隆起の激しい喜界島は,氷期(後期更新世,3~5.5万年前)の海岸砂丘が現在の陸上に見られるという点で特異である.さらに間氷期(完新世)の海岸砂丘が隣接し,氷期・間氷期の海岸砂丘形成環境を比較検討する上で好条件を持つ.主にテフラ編年と14C年代を基にして,これらの砂丘を高確度で編年した結果,砂丘の形成に第一義的に重要なのは供給源である海浜の形成環境であること,縦列砂丘が特徴的に見られる氷期の海岸砂丘の形態は,氷期の強い風が関わっていることが明らかとなった.この結果は日本列島の砂丘の編年と形成環境を検討する上で重要な役割を果たすと考える.

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (19 results)

All 2021 2020 2019 2018

All Journal Article (8 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 4 results) Presentation (6 results) Book (5 results)

  • [Journal Article] 九州南部の豪雨災害と地形的背景2021

    • Author(s)
      森脇 広
    • Journal Title

      地理,古今書院

      Volume: 66 Pages: 16-23

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Shell Color Polymorphism in Populations of the Intertidal Gastropod Nerita plicata (L., 1758) from the Cook Islands..2020

    • Author(s)
      Kawai, K., Moriwaki, H., Okuno, M., Fujiki, T., McCormack, G., Cowan, G. and Maoate P.T.
    • Journal Title

      South Pacific Studies

      Volume: 40

    • NAID

      40022314230

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Tephrochronology in the Tokara Islands2020

    • Author(s)
      Moriwaki, H.
    • Journal Title

      The Tokara Islands, Kagoshima University International Center for Island Studies,

      Volume: 10 Pages: 86-92

    • Related Report
      2019 Research-status Report
  • [Journal Article] Recent ostracod distribution in western Kyushu, Japan, related to the migration of Chinese continental faunal elements2019

    • Author(s)
      Tanaka G., Henmi Y., Masuda T., Moriwaki H., Komatsu T., Zhou B., Maekawa T., Niiyama S., Nguyen P. D., Doan H. D., Ikeya N.
    • Journal Title

      Marine Micropaleontology

      Volume: 146 Pages: 1-38

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Upper Miocene Ostracoda in a gravity flow deposit in Central Japan: significance of paleogeography and paleooceanography2019

    • Author(s)
      Tanaka, G. and Moriwaki, H.
    • Journal Title

      Journal of Paleontolgy

      Volume: 93 Pages: 727-739

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] 自然地理学的思考と地域環境変化の高精度統合化の試み2019

    • Author(s)
      森脇 広
    • Journal Title

      科学

      Volume: 89 Pages: 1076-1078

    • Related Report
      2019 Research-status Report
  • [Journal Article] Recent ostracod distribution in western Kyushu, Japan, related to the migration of Chinese continental faunal elements.2019

    • Author(s)
      Gengo Tanaka, Yasuhisa Henmi, Tatsuya Masuda, Hiroshi Moriwaki, Toshifumi Komatsu, Baochun Zhou, Takumi Maekawa, Sota Niiyama, Phong D. Nguyen, Hung D. Doan, Noriyuki Ikeya
    • Journal Title

      Marine Micropaleontology

      Volume: 146 Pages: 1-38

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] 鹿児島の自然風景2018

    • Author(s)
      森脇 広
    • Journal Title

      地図情報

      Volume: 38 Pages: 2-2

    • Related Report
      2018 Research-status Report
  • [Presentation] 南西諸島,喜界島の砂丘形成2020

    • Author(s)
      森脇 広・永迫俊郎・鈴木毅彦・寺山 怜・松風 潤・小田龍平
    • Organizer
      日本地理学会秋季学術大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 南西諸島,喜界島におけるテフラと古砂丘の形成2020

    • Author(s)
      森脇 広・永迫俊郎・鈴木毅彦・寺山 怜・松風 潤・小田龍平
    • Organizer
      日本地理学会春季学術大会
    • Related Report
      2019 Research-status Report
  • [Presentation] 鹿児島県国分平野における花粉分析からみた最終氷期末期以降の植生変遷と気候変動2019

    • Author(s)
      吉田明弘・吉山一輝・森脇 広
    • Organizer
      鹿大史学会
    • Related Report
      2019 Research-status Report
  • [Presentation] 鹿児島県国分平野における花粉分析からみた最終氷期末期以降の植生変遷と気候変動2019

    • Author(s)
      吉田明弘・吉山一輝・森脇 広
    • Organizer
      日本植生史学会大会
    • Related Report
      2019 Research-status Report
  • [Presentation] 南九州における最終氷期以降の古環境・文化の統合的高精度編年の試み2019

    • Author(s)
      森脇 広・永迫俊郎
    • Organizer
      日本地理学会春季学術大会
    • Related Report
      2018 Research-status Report
  • [Presentation] 鹿児島県国分平野における花粉分析に基づく最終氷期末期以降の植生変動と気候変動2019

    • Author(s)
      吉田明弘・吉山一輝・森脇 広
    • Organizer
      日本地理学会春季学術大会
    • Related Report
      2018 Research-status Report
  • [Book] 地域のとらえ方.鹿児島大学法文学部編『地域科学入門-鹿児島を変える14の視点』2020

    • Author(s)
      森脇 広
    • Total Pages
      3
    • Publisher
      朝日印刷
    • ISBN
      9784600003838
    • Related Report
      2020 Annual Research Report
  • [Book] 鹿児島の風景を読むー平野ー,鹿児島大学法文学部編『地域科学入門-鹿児島を変える14の視点』2020

    • Author(s)
      森脇 広
    • Total Pages
      10
    • Publisher
      朝日印刷
    • ISBN
      9784600003838
    • Related Report
      2020 Annual Research Report
  • [Book] 地域のとらえ方.鹿児島大学法文学部編『地域のとらえ方』2020

    • Author(s)
      森脇 広
    • Total Pages
      3
    • Publisher
      朝日印刷
    • ISBN
      9784600003838
    • Related Report
      2019 Research-status Report
  • [Book] 鹿児島の風景を読む-平野-2020

    • Author(s)
      森脇 広
    • Total Pages
      10
    • Publisher
      朝日印刷
    • ISBN
      9784600003838
    • Related Report
      2019 Research-status Report
  • [Book] 鹿児島の自然環境.『鹿児島大学法文学部(編)大学的鹿児島ガイド-こだわりの歩き方』2018

    • Author(s)
      森脇 広
    • Total Pages
      20
    • Publisher
      昭和堂
    • ISBN
      9784812217399
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2022-01-27  

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