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気候・地殻変動への流域の多重尺度応答性: 室内実験と年代測定による地形発達史解読
https://doi.org/10.24517/00054331
https://doi.org/10.24517/00054331cf269bd5-b081-4a43-bfe6-8f0c48e469dd
名前 / ファイル | ライセンス | アクション |
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SC-PR-ENDO-N-kaken 2020-6p.pdf (330.2 kB)
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Item type | 報告書 / Research Paper(1) | |||||
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公開日 | 2021-04-16 | |||||
タイトル | ||||||
タイトル | 気候・地殻変動への流域の多重尺度応答性: 室内実験と年代測定による地形発達史解読 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Response of river networks in reach and basin scales to climate change and tectonics: physical model experiments and field study | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
ID登録 | ||||||
ID登録 | 10.24517/00054331 | |||||
ID登録タイプ | JaLC | |||||
著者別表示 |
Endo, Noritaka
× Endo, Noritaka |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域地球社会基盤学系 | |||||
書誌情報 |
令和1年(2019)度 科学研究費補助金 基盤研究(C) 研究成果報告書 en : 2019 Fiscal Year Final Research Report 巻 2016-04-01 - 2020-03-31, p. 6p., 発行日 2020-05-27 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 山地河川の流域地形は、河川が地殻変動に応答して、隆起と侵食がせめぎあった結果として生じた景観である。しかし、隆起は一般に一様でも一定でもなく、現在の地形だけから過去の地殻変動を読み解く方法はまだ確立していない。上流側の隆起速度が速い場合と異なり、下流側の隆起速度が速い場合、河川の縦断形は中流域に凸状地形持つ傾向にあることが、室内アナログ実験により分かった。このことは、屋久島の東西に流れる2つの河川の比較結果と調和的であった。また、流路スケールでみると河川の形状は、岩盤の硬さとも関係することが先行研究で指摘されているが、室内モデル実験および手取川の調査で、同様の結果を得た。 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Geomorphological characteristics of mountainous river basins are results from the response of rivers to orogenic activities, i.e. tectonics. Uplift rate, however, is generally neither uniform nor constant. It is not easy to reconstruct the history of tectonics from river basin topotgarphies. We found, through laboratory model experiments, that a longitudinal profile of river tends to have a convex shape at the middle reach, if the uplift rate increases spatially from upstream to downstream. This explains the difference of river longitudinal profiles of the east and west basins in Yakushima. We also performed model experiments targeting the reach-scale transition of channels, and observed that lateral migration of channels was suppressed during uplift activities. Additionally, we conducted field research of the Tedori river,and found correlation between the channel shape and hardness of bedrocks, if the hardness is evaluated using coefficient of restitution. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 研究課題/領域番号:16K01216, 研究期間(年度):2016-04-01 - 2020-03-31 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 出典:「気候・地殻変動への流域の多重尺度応答性: 室内実験と年代測定による地形発達史解読」研究成果報告書 課題番号16K01216 (KAKEN:科学研究費助成事業データベース(国立情報学研究所)) (https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-16K01216/16K01216seika/)を加工して作成 |
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著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/search/?qm=60314358 | |||||
関連名称 | https://kaken.nii.ac.jp/search/?qm=60314358 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16K01216/ | |||||
関連名称 | https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16K01216/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-16K01216/16K01216seika/ | |||||
関連名称 | https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-16K01216/16K01216seika/ |