Profile and Publications
Naofumi Yamaguchi ph. D. (Sci.)
Current Position
- Lecturer
- Global and Local Environment Co-creation Institute, Ibaraki University
- E-mail address: naofumi.yamaguchi.sci 'at' vc.ibaraki.ac.jp
Work Experience
Apr. 2008–Mar. 2009 | JSPS Predoctoral Fellow at Kyoto University (DC2) |
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Apr. 2009–Mar. 2010 | JSPS Postdoctoral Fellow at Kyoto University (PD) |
Apr. 2010–Mar. 2012 | Postdoctoral Fellow, Geodynamics Research Group, Institute of Geology and Geoinformation, AIST |
Apr. 2012–Mar. 2020 | Assistant Professor, Center for Water Environment Studies, Ibaraki University |
Feb. 2020–Dec. 2020 | Visiting Researcher, Energy and Environment Institute, University of Hull |
Apr. 2020–Mar. 2022 | Assistant Professor, Global and Local Environment Co-creation Institute, Ibaraki University |
Education
Mar. 2004 | B.E. degree at Faculty of Science, Kyoto University |
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Mar. 2006. | M.E. degree at Graduate School of Science, Kyoto University |
Mar. 2009. | Ph.D. degree at Graduate School of Science, Kyoto University |
Peer-reviewed Journal Articles
Last update 28 Nov. 2024- Yamaguchi, N., Matsuhisa, Y., Sekiguchi, T., Wu, X and Dorrell, R.M. (accepted),Threshold for oscillatory-flow ripple initiation on cohesive and non-cohesive mixtures of sand and mud. Coastal Engineering Journal.
- Yamaguchi, N. (accepted),Separation of grain-size distribution into lognormal distributions using R packages. Journal of the Sedimentological Society of Japan.(in Japanese with English captions)
- Kumisaka, K., Yamaguchi, N. and Okazaki, Y. (2024),Fragmentation and separation of diatom valves in modern shallow lake sediments: A case study in Lake Kitaura, Japan. Journal of Paleolimnology, 72, 317–330.(article)
- Yamaguchi, N., Ando, T., Enokida, H., Nakada, N., Yamaki, S. and Ohta, T. (2024),Logratio analysis of components separated from grain-size distributions and implications for sedimentary processes: an example of bottom surface sediments in a shallow lake. Sedimentology, 71, 1291–1304.(article)
- Yamaguchi, N. (2023),Validation of appropriate estimation criteria for the number of components for separating a polymodal grain-size distribution into lognormal distributions. Progress in Earth and Planetary Science, 10, 70.(article)
- Yamaguchi, N., Taki, T. and Sekiguchi, T (2022),Effect of sediment supply on geometry of wave ripples: preliminary results of flume experiment. Journal of the Sedimentological Society of Japan, 80, 3–9. (in Japanese with English abstract)
- Tsuchiya, N., Aoki, A. Uematsu, Y., Toba, M., Yamaguchi, N. and Okamoto,K. (2021),Ecological effects of bioturbation by alien hard clam Mercenaria mercenaria in a sandy tidal flat of Tokyo Bay, Japan. Nippon Suisan Gakkaishi, 87, 11–22.(article) (in Japanese with English abstract)
- Shinozaki, T., Yamaguchi, N. and Sekiguchi, T. (2020),Flume experiments test grain-size distribution of onshore tsunami deposits, Sedimentary Geology, 407, 105750.(article)
- Tonai, S., Sato, T. and Yamaguchi, N. (2019), The white cliffs of the Upper Cretaceous Chalk Formations at Flamborough Head, North-east England, Journal of the Geological Society of Japan, 125, I–II. (in Japanese with English captions)
- Yamaguchi, N. (2019), Current progress and future perspectives of the research on tsunami deposits using flume experiments. Journal of the Geological Society of Japan, 125, 121–136.(article) (in Japanese with English abstract)
- Yamaguchi, N. (2019), Roundness of ripple crest and its implication for sedimentary process, Journal of the Sedimentological Society of Japan, 77, 29–38.(article) (in Japanese with English captions)
- Yamaguchi, N. and Sekiguchi, T. (2018), Sedimentary processes and the distribution of tsunami deposits on a narrow coastal lowland backed by a cliff in flume experiments. Journal of Sedimentary Research, 88, 467–474. (article) (Movie)
- Tamura, T., Kodama, Y., Bateman, M.D., Saitoh, Y., Yamaguchi, N., Matsumoto, D. (2016), Late Holocene aeolian sedimentation in the Tottori coastal dune field, Japan Sea, affected by the East Asian winter monsoon. Quaternary International, 397, 147–158. (article)
- Yamaguchi, N. and Sekiguchi, T. (2015), Effects of tsunami magnitude and terrestrial topography on sedimentary processes and distribution of tsunami deposits in flume experiments. Sedimentary Geology, 328, 115–121. (article)
- Uesawa, S. and Yamaguchi, N. (2014), Quantitative estimation of erosion rate based on tempo-spatial change of coasts composed of volcanic deposit. Journal of the Geological Society of Japan, 120, 281–285 (in Japanese with English abstract).
- Yamaguchi, N. and Sekiguchi, T. (2013), Ripples under partially standing waves for different reflection coefficients: a laboratory experiment. Journal of the Sedimentological Society of Japan, 72, 125–134. (article)
- Haraguchi, T., Goto, K., Sato, M., Yoshinaga, Y., Yamaguchi, N., and Takahashi, T. (2013), Large bedform generated by the 2011 Tohoku-oki tsunami at Kesennuma Bay, Japan. Marine Geology, 335, 200–205. (article)
- Yamaguchi, N. (2012), Relationship between advective pore-water exchange at sediment-water interface and wave ripples. Journal of the Sedimentological Society of Japan, 71, 25–30 (in Japanese).
- Otsubo, M., Yamaguchi, N., Nomura, S., Kimura, N., Naruse, H. (2011), Basal slip plane of Kurotaki unconformity in the Boranohana area along the Pacific coast of the Boso Peninsula, Central Japan. Island Arc, 20, 305–307.
- Tamura, T.,Kodama, Y., Bateman, M.D., Saitoh, Y., Watanabe, K., Matsumoto, D., Yamaguchi, N. (2011), Coastal barrier dune deposition related to sea-level highstands in MIS 3 and 5a at Tottori, Japan Sea. Palaeogeography, Palaeoclimatology, Palaeoecology, 308, 492–501. (article)
- Tamura, T., Bateman, M.D., Kodama, Y., Saitoh, Y., Watanabe, K., Yamaguchi, N., Matsumoto, D. (2011), Building of shore-oblique transverse dune ridges revealed by ground-penetrating radar and optical dating over the last 500 years on Tottori coast, Japan Sea. Geomorphology, 132, 153–166. (article)
- Yamaguchi, N. and Sekiguchi, H. (2011), Variability of wave-induced ripple migration in wave-flume experiments and its implications for sediment transport. Coastal Engineering, 58, 671–677. (article)
- Yamaguchi, N. and Masuda, F. (2011), Two patterns of three-dimensional grain fabrics corresponding to depositional processes in experimental microdelta deposits using rice grains. Journal of the Geological Society of Japan, 117, 107–115.
- Tamura, T., Kodama, Y, Saitoh, Y., Watanabe, K., Yamaguchi, N., and Matsumoto, D. (2010), Ground-penetrating radar profile of the Tottori coastal dunes. The Quaternary Research (Daiyonki-Kenkyu), 49, 357–368 (in Japanese with English abstract).
- Azuma, R., Sekiguchi, H. and Yamaguchi, N., Identification of Sediment routing process in Beach-Dune Systems with consideration of Sedimentary Environments. Journal of Japan Society of Civil Engineers (Coastal Engineering), 66, 556–560. (in Japanese with English abstract).
- Yamaguchi, N. and Sekiguchi, H. (2010b), Effects of settling and preferential deposition of sediments on ripple roundness under shoaling waves. Journal of Sedimentary Research, 80, 781–790. (article)
- Yamaguchi, N. and Sekiguchi, H. (2010a), Effect of velocity hiatuses in oscillatory flow on migration and geometry of ripples: wave-flume experiments. Sedimentology, 57, pp. 720–733. (article)
- Yamaguchi, N., Sekiguchi, T. and Masuda, F. (2007), Cross-shore ripple variations under laboratory partially standing waves: a possible clue to paleo-wavelength. Journal of the Sedimentological Society of Japan, No. 64, pp. 15–19. (PDF)