Hidetsugu YOSHIDA

Education

1998-2002: Faculty of Science, Department of Geography, The University of Tokyo (Bachelor of Science)
2002-2004: Graduate School of Frontier Sciences, Institute of Environmental Studies, The University of Tokyo (Master of Environmental Studies)
2004-2007: Graduate School of Frontier Sciences, Department of Natural Environmental Studies, The University of Tokyo (Ph.D. in Environmental Studies for a thesis entitled "Sediment Transport and Geoenvironmental Changes of Drainage Basins Associated with Catastrophic Sector Collapse of Volcanic Edifice”)

Employment

  • 2016-Present: Associate Professor, School of Arts and Letters, Meiji University
  • 2012-2015: Senior Assistant Professor, School of Arts and Letters, Meiji University
  • 2010-2012: Senior Assistant Professor, College of Economics, Kanto Gakuin University
  • 2009-2010: Assistant Professor, Faculty of Science and Engineering, Chuo University
  • 2008-2009: Research Assistant, Faculty of Science and Engineering, Chuo University
  • 2007-2008: Researcher, Center for Spatial Information Science, The University of Tokyo
  • 2007-2008: Visiting Researcher, Department of Natural Environmental Studies, The University of Tokyo
  • 2004-2007: Research Fellow of the Japan Society for the Promotion of Science, The University of Tokyo
  • 2013/05-Present: Visiting Researcher, Department of Natural Environmental Studies, The University of Tokyo
  • 2013/04-Present: Research Fellow, Center for Obsidian and Lithic Studies, Meiji University
  • 2012/04-Present: Part-time Lecturer, College of Economics, Kanto Gakuin University
  • 2010/04-2011/03: Part-time Lecturer, Faculty of Science and Engineering, Chuo University
  • 2009/04-2012/03: Part-time Lecturer at Meiji University (School of Global Japanese Studies)
  • 2008/04-Present: Visiting Researcher, Center for Spatial Information Science, The University of Tokyo
  • 2008/04-2012/03: Part-time Lecturer, School of Commerce, Meiji University
  • 2007/04-2008/03: Part-time Lecturer, Department of Geography, Komazawa University

Current Rsearch

Geography, Geomorphology, Quaternary Geomorphology, Natural Disaster Science

Award

  • Encouragement prize for young researcher, Association of Japanese Geographers (March 2005)
  • Dean’s Award for Doctoral Program at The University of Tokyo, Graduate School of Frontier Sciences (March 2007)

Membership of Academic Societies

  • Association of Japanese Geographers
  • Japanese Geomorphological Union
  • Japan Association for Quaternary Research
  • Japan Geoscience Union
  • Tokyo Geographical Society

Publications

<Book Chapters>

  • Yoshida, H. and Sugai, T. (2009) Catastrophic Volcanic Sector Collapses in Japan: A Fundamental Erosion Process with Their Hazardous Nature in Island Arcs. In: Lewis, N. and Moretti, A. (ed.) "New Research on Volcanoes: Formation, Eruptions and Modelling", pp77-94, ISBN: 978-1-60692-916-2

<Articles>

  • Yoshida, H. (2013) Decrease of size of hummocks with downstream distance in the rockslide-debris avalanche deposit at Iriga volcano, Philippines: similarities with Japanese avalanches. Landslides, DOI: 10.1007/s10346-013-0414-4
  • Yoshida, H. (2013) History of riverbed incision in the mountainous area around the confluence of Tone and Agatsuma Rivers in Kanto, Japan, since the Late Glacial, based on fluvial terrace chronology. Sundai Historical Review, 148, pp139-151. (in Japanese with English abstract)
  • Yoshida, H. (2013) Reexamination of volume loss due to the catastrophic sector-collapse causing the Okinajima debris avalanche of Bandai volcano, Japan. Transaction, Japanese Geomorphological Union, 34, pp1-19. (in Japanese with English abstract)
  • Yoshida, H. (2012) Longitudinal distribution pattern of hummocks of Kannongawa debris avalanche deposits, Nasu Volcanic Group, Japan, as an example of “valley-filling” debris avalanches due to the inland volcanic sector-collapse. Sundai Historical Review, 146, pp19-36. (in Japanese with English abstract)
  • Yoshida, H. (2012) Spatial Recognition of Japanese Prefectures by the University Students. Nature-people-society (Departmental Bulletin Paper at Kanto Gakuin University), 53, pp105-123. (in Japanese)
  • Yoshida, H. (2012) Evaluation of sector-collapse volume of Bandai volcano in 1888, Japan, in terms of the size-distance distribution pattern of debris avalanche hummocks. Transaction, Japanese Geomorphological Union, 33, pp45-60.
  • Yoshida, H., Sugai, T. and Ohmori, H. (2012) Size–distance relationships for hummocks on volcanic rockslide-debris avalanche deposits in Japan. Geomorphology, 136, pp76-87.
  • Yoshida, H. (2011) Potential danger of tsunami flooding in the Kanazawa-Hakkei Lowland of Tokyo Bay, Japan, by the future mega-earthquakes - An implication from the digital elevation data and historic records. Nature-people-society (Departmental Bulletin Paper at Kanto Gakuin University), 51, pp87-113. (in Japanese)
  • Yoshida, H. (2011) Topographical features of the Miyagawa and Jijugawa basins in Yokohama, Japan. The Annual report of the Research Institute for Economics and Business Administration, 33, pp63-81. (in Japanese)
  • Yoshida, H. and Sugai, T. (2010) Quantitative examination of hummock alignment in the debris avalanche deposits: Zenkoji debris avalanche, Usu volcano, Japan. Geographical Review of Japan Series B, 83, pp64-72.
  • Yoshida, H. (2010) Size Distribution of Debris Avalanche Hummocks in Japan. Journal of Geography (Tokyo), 119, pp892-899. (in Japanese and English abstract)
  • Yoshida, H. (2010) Study on Volumetric Magnitude of the Catastrophic Sector Collapse of Bandai Volcano in 1888, Japan. Nature-people-society (Departmental Bulletin Paper at Kanto Gakuin University), 49, pp57-71. (in Japanese)
  • Yoshida, H. (2010) Catastrophic Sector Collapses of Quaternary Volcanoes as Significant Sediment Sources in Japan. Journal of Geography (Tokyo), 119, pp568-578. (in Japanese and English abstract)
  • Yoshida, H. and Sugai, T. (2010) Grain size distribution of the sediments from the 24 ka sector collapse of Asama volcano. Transactions, Japanese Geomorphological Union, 31, pp193-201.
  • Yoshida, H., Sugai, T. and Ohmori, H. (2010) Longitudinal downsizing of hummocks by the freely-spreading volcanic debris avalanches in Japan. The Quaternary Research (Tokyo), 49, pp55-67.
  • Yoshida, H., Sugai, T. and Ohmori, H. (2008) Quantitative study on catastrophic sector collapses of Quaternary volcanoes compared with steady denudation in non-volcanic mountains in Japan.  Transactions, Japanese Geomorphological Union, 29, pp377-385
  • Yoshida, H. (2008) Reply to the Comments by H. Takemoto on "Mud Flow Deposits Derived from the Activity of Asama Volcano and Their Impacts on the Geomorphic Development of the Northwestern Part of the Kanto Plain, Central Japan" in Terms of the Significance in Historical Geomorphology. Geographical Review of Japan, 81,pp 516-529. (in Japanese and English abstract)
  • Yoshida, H., Sugai, T. and Sakaguchi, H. (2007) Reply to the Comments by H. Takemoto on "Contribution of the Maebashi Mud Flow Event to the Fluvial Landform Development Neighboring the Confluence of the Tone River and the Agatsuma River, Central Japan": Flow Behavior of the Maebashi Mudflow and Its Geomorphological Impact in the Confluence Region of the Tone and Agatsuma Rivers. Geographical Review of Japan, 80, pp934-939. (in Japanese and English abstract)
  • Yoshida, H. and Sugai, T. (2007) Topographical control of large-scale sediment transport by river valley during the 24 ka sector collapse of Asama volcano, Japan. Géomorphologie : relief, processus, environnement, 3/2007, pp217-224.
  • Sugai, T., Mizuno, K., Hachinohe, S., Nakazato, H., Ishiyama, T., Sugiyama, Y., Hosoya, T., Matsushima, H., Yoshida, H., Yamaguchi, M. and Ogami, T. (2007) Paleoseismic History of the Northern Ayasegawa Fault since the Late Pleistocene Reconstructed from Shallow Sub-surface Deformation Structure. Journal of Geography (Tokyo), 116, pp394-409. (in Japanese and English abstract)
  • Yoshida, H. and Sugai, T. (2007) Base level of the “Nakanojo mudflow deposits” at Nakanojo Basin – Reply to the comments by H. Takemoto on ‘Impact of “24 ka Nakanojo Mud Flow” event on the fluvial landform development in Nakanojo Basin, central Japan’. The Quaternary Research (Tokyo). 46, pp390-393. (in Japanese and English abstract)
  • Yoshida, H. and Sugai, T. (2007) Magnitude of the sediment transport event due to the Late Pleistocene sector collapse of Asama volcano, central Japan. Geomorphology, 86, pp61-72.
  • Yoshida, H. and Sugai, T. (2007) Chemical composition of the deposits originating from the sector collapse of Asama volcano. In: Yamazaki, H. (ed.)”Reconstruction of high-resolution paleogeography in the Plio-Pleistocene” Report for Grant-in-Aid for Scientific Research (B), 2004-2006, pp59-64. (in Japanese)
  • Yoshida, H. and Sugai, T. (2006) Morphological characteristics of hummocks originating from the 24 ka sector collapse event of Asama volcano, central Japan. Journal of Geography (Tokyo), 115, pp638-646. (in Japanese with English abstract)
  • Yoshida, H. (2006) Topography of the Tone River fan (the northwestern corner of the Kanto Plain) filled by the Maebashi mudflow deposits and reexamined volume of the deposits. Transactions, Japanese Geomorphological Union, 27, pp477-480. (in Japanese with English abstract)
  • Yoshida, H., Sugai, T. and Ohmori, H. (2006) Transportation mechanism of debris avalanche event at 24 ka of Asama volcano, Central Japan, interpreted from chemical composition of the deposits. The Quaternary Research (Tokyo), 45, pp123-129.
  • Yoshida, H., Sugai, T. and Sakaguchi, H (2005) Contribution of the Maebashi Mud Flow event to the fluvial landform development neighboring the confluence o the Tone River and the Agatsuma River, central Japan. Geographical Review of Japan, 78, pp649-660. (in Japanese with English abstract)
  • Yoshida, H. and Sugai, T. (2005) Impact of “24 ka Nakanojo Mud Flow” event on the fluvial landform development in Nakanojo Basin, central Japan. The Quaternary Research (Tokyo), 44, pp1-13. (in Japanese with English abstract)
  • Yoshida, H. (2004) Mud flow deposit derived from the activity of Asama volcano and their impacts on the geomorphic development of the northwestern part of the Kanto Plain, central Japan. Geographical Review of Japan, 77, pp544-562. (in Japanese with English abstract)
  • Yoshida, H. (2004) Volumetric analysis of the Maebashi Mud Flow deposit based on borehole columns and GIS. Transactions, Japanese Geomorphological Union, 25, pp63-73. (in Japanese with English abstract)
  • Mizuno, K., Sugai, T., Sugiyama, Y., Hosoya, T., Kurosawa, H. and Yoshida, H. (2001) Late Pleistocene to Holocene activity of the Fukaya fault system in Gunma Prefecture, Tokyo megalopolis, revealed by arrayed boring. Annual Report on Active Fault and Paleoearthquake Researches, 1, pp77-86. (in Japanese with English abstract)

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