| Project/Area Number |
22580174
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Forest science
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| Research Institution | Forestry and Forest Products Research Institute |
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Principal Investigator |
OKAMOTO Takashi 独立行政法人森林総合研究所, 東北支所, 主任研究員 (30353626)
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| Co-Investigator(Renkei-kenkyūsha) |
ASANO Shiho 独立行政法人森林総合研究所, 九州支所, 山地防災研究グループ長 (70353555)
OKADA Yasuhiko 独立行政法人森林総合研究所, 水土保全研究領域, 主任研究員 (50360376)
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | 地震動 / 現地観測 / 地すべり / 地震 / 自然現象観測・予測 / 土砂災害 |
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| Research Abstract |
This study aims to clarify the factor of seismic vibration influenced on the landslide movement. We analyzed relationships between the vibration factor of three major earthquakes (The Mid Niigata Prefecture Earthquake in 2004, The Niigataken Chuetsu-oki Earthquake in 2007, and The North Nagano Prefecture Earthquake) and landslide displacements by these earthquakes. The results showed the maximum velocity in the topographically-released direction had a significant relationship to the displacements, and was useful for the index as the seismic force for the landslide movement.
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