2011 Fiscal Year Final Research Report
Micro-scale stable isotopic analysis of calcareous microfossils to detect new environmental proxies
| Project/Area Number |
21740367
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Stratigraphy/Paleontology
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| Research Institution | National Institute of Advanced Industrial Science and Technology |
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Principal Investigator |
ISHIMURA Toyoho 独立行政法人産業技術総合研究所, 地質情報研究部門, 特別研究員 (80422012)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 安定同位体 / 炭酸塩 / 有孔虫 / 微量分析 / 環境指標 / 地球化学 / 古生物学 / 海洋環境 |
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| Research Abstract |
To develop reliable environmental proxies, I clarified the interindividual differences in stable carbon and oxygen isotopes of benthic foraminifera by using microscale stable isotopic analytical system. We will be able to apply this finding to precise reconstruction of ancient water chemistry. In addition, to develop new environmental proxies, I started several collaborated studies of biogenic carbonate. For those studies, I have developed a new high precision isotopic analytical system for carbonate, DIC, and water samples.
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[Journal Article] Stable hydrogen isotopic analysis of nano-molar molecular hydrogen using automatic multi-step gas chromatograph2011
Author(s)
Komatsu, D. D., Tsunogai, U., Kamimura, K., Nakagawa, F., Konno, U., Ishimura, T
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Journal Title
Rapid Communications in Mass Spectrometry
Volume: 25
Pages: 3351-3359
DOI
Peer Reviewed
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[Journal Article] Biological and water chemistry controls on Sr/Ca, Ba/Ca, Mg/Ca andδ^<18> 0 profiles in freshwater pearl mussel Hyriopsis sp.2011
Author(s)
Izumida, H., Yoshimura, T., Suzuki, A., Nakashima, R., Ishimura, T., Yasuhara, M., Inamura, A., Shikazono, N., Kawahata, H
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Journal Title
Palaeogeography, Palaeoclimatology, Palaeoecology
Volume: 309
Pages: 298-308
DOI
Peer Reviewed
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[Journal Article] Abrupt shift toward cooler condition in the earliest 20th century detected in a 165 year coral record from Ishigaki Island, southwestern Japan2010
Author(s)
Mishima, M., Suzuki, A., Nagao, M., Ishimura, T., Inoue, M., Kawahata H
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Journal Title
Geophysical Research Letters
DOI
Peer Reviewed
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[Journal Article] Geomicrobiological Properties of Ultra-Deep Granitic Groundwater from the Mizunami Underground Research Laboratory(MIU)2010
Author(s)
Fukuda, A., Hagiwara, H., Ishimura, T., Kouduka, M., Amano, Y., Tsunogai, U., Suzuki, Y., Mizuno, T
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Journal Title
Central Japan. Microbial Ecology
DOI
Peer Reviewed
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