2011 Fiscal Year Final Research Report
Extraction and quantification of the control factor, without sea level change, of the development process of the Alluvial plain
| Project/Area Number |
21540469
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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 |
Geology
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| Research Institution | Niigata University |
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Principal Investigator |
URABE Atsushi 新潟大学, 災害・復興科学研究所, 准教授 (20281173)
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| Co-Investigator(Kenkyū-buntansha) |
KATAOKA Kyoko 新潟大学, 災害・復興科学研究所, 准教授 (00378548)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 沖積層 / 堆積相 / 堆積システム / 海水準変動 / 火砕物 |
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| Research Abstract |
The Alluvium of the coastal plain in Japan has been considered as formed by sea-level change. However, it is predicted that formation of Alluvium has received the sediment supply by tectonic movement or volcanic activity, etc. In the Takada plain, 4 times of volcanic large-scale sediment supply events have been recognaized by this research. These sediment supply events have brought about rapid sedimentation and changes of depositional environment of the alluvial plain.
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