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2017 Fiscal Year Annual Research Report

Assessment of the relationships between rainfall frequency caused by typhoons and tropical storms, sediment yields, and the effect of global warming

Research Project

Project/Area Number 15K16287
Research InstitutionKanto Gakuin University

Principal Investigator

齋藤 仁  関東学院大学, 経済学部, 准教授 (00709628)

Project Period (FY) 2015-04-01 – 2018-03-31
Keywords斜面崩壊 / 雨量 / 日本 / 台湾 / 土砂生産量
Outline of Annual Research Achievements

平成29年度は、日本と台湾における斜面崩壊の発生について、これまでの研究をとりまとめた。成果は国際誌に発表するなど、多くの実績をあげた。具体的には、以下の通りである。

1.過去に降雨による多数の斜面崩壊が発生した阿蘇山では、2016年熊本地震に伴い斜面崩壊が発生した。斜面崩壊地を高精細に測量することで、地震と降雨とによる斜面崩壊地の地形的特徴と土砂生産量を明らかにした(Saito et al., 2018, PEPS)。
2.台湾において、リモートセンシングによる斜面崩壊地の抽出手法を検討した(Mondini et al, 2017, International Journal of Applied Earth Observation and Geoinformation)。台湾全域を対象に斜面崩壊の規模と雨量との関係を分析した。また17流域を対象に、斜面崩壊の発生と土砂生産量との関係、および台風との関係を考察した(Chen et al., 2017a, Landslides; Chen et al., 2017b, Landslides; Chen et al., 2018, Geomorphology)。
3.日本国内の特に花崗岩山地を対象に、過去の斜面崩壊の発生と雨量との関係を整理し、斜面崩壊の規模と雨量との関係を明らかにした。またMIROC5のRCP8.5排出シナリオに基づく計算結果を用いて、今後の雨量の変化と斜面崩壊の発生について考察した(投稿準備中)。

  • Research Products

    (11 results)

All 2018 2017 Other

All Int'l Joint Research (2 results) Journal Article (5 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 5 results,  Open Access: 1 results) Presentation (3 results) (of which Int'l Joint Research: 2 results) Remarks (1 results)

  • [Int'l Joint Research] NCDR/National Taiwan University/National Central University(Taiwan)

    • Country Name
      その他の国・地域
    • Counterpart Institution
      NCDR/National Taiwan University/National Central University
  • [Int'l Joint Research] CNR IRPI(Italy)

    • Country Name
      Italy
    • Counterpart Institution
      CNR IRPI
  • [Journal Article] Landslides triggered by an earthquake and heavy rainfalls at Aso volcano, Japan, detected by UAS and SfM-MVS photogrammetry2018

    • Author(s)
      Saito Hitoshi、Uchiyama Shoichiro、Hayakawa Yuichi S.、Obanawa Hiroyuki
    • Journal Title

      Progress in Earth and Planetary Science

      Volume: 5 Pages: 頁なし

    • DOI

      10.1186/s40645-018-0169-6

    • Peer Reviewed / Open Access
  • [Journal Article] Sediment yield during typhoon events in relation to landslides, rainfall, and catchment areas in Taiwan2018

    • Author(s)
      Chen Chi-Wen、Oguchi Takashi、Hayakawa Yuichi S.、Saito Hitoshi、Chen Hongey、Lin Guan-Wei、Wei Lun-Wei、Chao Yi-Chiung
    • Journal Title

      Geomorphology

      Volume: 303 Pages: 540~548

    • DOI

      10.1016/j.geomorph.2017.11.007

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Automatic mapping of event landslides at basin scale in Taiwan using a Montecarlo approach and synthetic land cover fingerprints2017

    • Author(s)
      Mondini Alessandro C.、Chang Kang-Tsung、Chiang Shou-Hao、Schl?gel Romy、Notarnicola Claudia、Saito Hitoshi
    • Journal Title

      International Journal of Applied Earth Observation and Geoinformation

      Volume: 63 Pages: 112~121

    • DOI

      10.1016/j.jag.2017.07.016

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Relationship between landslide size and rainfall conditions in Taiwan2017

    • Author(s)
      Chen Chi-Wen、Oguchi Takashi、Hayakawa Yuichi S.、Saito Hitoshi、Chen Hongey
    • Journal Title

      Landslides

      Volume: 14 Pages: 1235~1240

    • DOI

      10.1007/s10346-016-0790-7

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Analyzing rainfall-induced mass movements in Taiwan using the soil water index2017

    • Author(s)
      Chen Chi-Wen、Saito Hitoshi、Oguchi Takashi
    • Journal Title

      Landslides

      Volume: 14 Pages: 1031~1041

    • DOI

      10.1007/s10346-016-0788-1

    • Peer Reviewed / Int'l Joint Research
  • [Presentation] 熊本県阿蘇地域における多時期の高密度点群データを用いた斜面崩壊の地形解析2017

    • Author(s)
      羽田康孝・小口 高・早川裕弌・齋藤 仁
    • Organizer
      東京大学空間情報科学研究センター CSIS DAYS 2017 「全国共同利用研究発表大会」
  • [Presentation] Time series analysis of TLS-derived point clouds for shallow landslides in Aso region, Kumamoto, Japan2017

    • Author(s)
      Haneda, Y., Oguchi, T., Hayakawa, Y.S., and Saito, H.
    • Organizer
      JpGU-AGU Joint Meeting 2017
    • Int'l Joint Research
  • [Presentation] Sediment yields during typhoon events in Taiwan2017

    • Author(s)
      Chen, C.W., Oguchi, T, Hayakawa, Y.S., Saito, H., Chen, H., Lin, G.W., and Wei, L.W.
    • Organizer
      JpGU-AGU Joint Meeting 2017
    • Int'l Joint Research
  • [Remarks] Website

    • URL

      http://www.csis.u-tokyo.ac.jp/~saito/index.html

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Published: 2018-12-17   Modified: 2022-08-18  

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