2010 Fiscal Year Final Research Report
Study on the yearly variation of river geomorphology after sediment runoff due to large sediment yield in South-east Asia
| Project/Area Number |
20405029
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 海外学術 |
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| Research Field |
Forest science
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| Research Institution | Kochi University |
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Principal Investigator |
SASAHARA Katsuo Kochi University, 教育研究部・自然科学系, 教授 (90391622)
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| Co-Investigator(Kenkyū-buntansha) |
TAMURA Keiji 独立行政法人土木研究所, つくば中央研究所・土砂管理研究グループ, 上席研究員 (80462571)
ONDA Yuuichi 筑波大学, 大学院・生命環境科学研究科, 教授 (00221862)
TSUCHIYA Satoshi 静岡大学, 農学部, 教授 (60197720)
OSANAI Nobutomo 国土交通省国土技術政策総合研究所, 危機管理技術研究センター砂防研究室, 室長 (30355862)
ISHIZUKA Tadanori 独立行政法人土木研究所, つくば中央研究所・土砂管理研究グループ, 上席研究員 (70596444)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 土砂災害 / 森林工学 / 土砂流出 / 河床変動 / インドネシア |
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| Research Abstract |
Gigantic landslide occurred at March 26, 2004, at the caldera of Mt Bawakaraeng, South Sulawesi Province, Republic of Indonesia, and landslide mass deposited at the upstream of Jeneberang River. In this research, 2 main results were derived. The first is time variation of geomorphology of eroded gully and sediment discharge according to satellite image analysis and field survey. The second is that sediment at flood comes from deeper soil layer than that at usual time according to ther analysis of fallout radionuclides.
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[Journal Article] Time variation of sediment runoff from collapsed mass caused by large-scale landslide at Mt.Bawakaraeng, South Sulawasi, Indonesia2010
Author(s)
Katsuo Sasahara, Y.Shimizu, N.Osanai, T.Yamakoshi, K.Tamura, S.Doshida, K.Tsutsui
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Journal Title
Proc. of International Workshop on Multimodal Sediment Disasters Triggered by Heavy Rainfall and Earthquake and the Countermeasures, Yogyakarta, INDONESIA
Pages: 45-54
Peer Reviewed
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