Change of sediment provenance around Lake Biwa, Western Japan : Did it occur along with Quaternary climate change?
| Project/Area Number |
20300294
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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 | 一般 |
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| Research Field |
Geography
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| Research Institution | Nara Women's University |
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Principal Investigator |
TAKADA Masashi Nara Women's University, 文学部, 教授 (60273827)
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| Co-Investigator(Kenkyū-buntansha) |
SOHMA Hidehiro 奈良女子大学, 文学部, 教授 (90196999)
TOYODA Shin 岡山理科大学, 理学部, 教授 (40207650)
TAKEMURA Keiji 京都大学, 大学院・理学研究科, 教授 (00201608)
YOKOYAMA Yusuke 東京大学, 海洋研究所, 准教授 (10359648)
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| Project Period (FY) |
2008 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥14,040,000 (Direct Cost: ¥10,800,000、Indirect Cost: ¥3,240,000)
Fiscal Year 2010: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2009: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2008: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
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| Keywords | 地形 / 第四紀 / 土砂供給 / 気候変化 / 琵琶湖 / ESR / ルミネッセンス / 第四紀学 |
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| Research Abstract |
ESR signal intensity from quartz included in the Lake Biwa 1400 meter sediment core seems to fluctuate periodically together with cyclic environmentchange. Characteristics of ESR and TL signal intensities suggest that the core sedimentsof ca. 900ka age seem to be supplied mainly from the bedrocks to the north, the east and the south of the core location and the Yasu River. Content of ^<10>Be in the sediments also suggests that environment of sediment provenance for the Lake Biwa 1400 meter sediment core had changed along with the geological sequence.
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Report
(4 results)
Research Products
(34 results)
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[Journal Article] ESR dating of sedimentary quartz from two Pleistocene deposits using A1 and Ti-centers2009
Author(s)
H.Tissoux, Toyoda, S., Falgueres, C., Voinchet, P., Takada M., Bahain, J.-J.,Despiee, J.
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Journal Title
Geochronometria vol.30
Pages: 23-31
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Peer Reviewed
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[Presentation] Characteristics of ESR signals from quartz grains in and around Lake Biwa : Preliminary study on estimating provenance of sediment2009
Author(s)
TAKADA, M., SHIMADA, A., TOYODA, S., TAKEMURA, K., SOHMA, H.
Organizer
Second Asia-Pacific Conference on Luminescence and Electron Spin Resonance Dating
Place of Presentation
Physical Research Laboratory, Navrangpura, Ahmedabad 380 009, India
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