Dr. Tsuyoshi HATTANJI

Assistant Professor
Faculty of Life and Environmental Sciences, University of Tsukuba, Ibaraki 305-8572, JAPAN
E-mail: hattan__geoenv.tsukuba.ac.jp


  1. Mass movement and erosion processes in headwater streams
    • Sediment transport processes and channel initiation
      Google map: Ashio Mountains Experimental Watersheds
    • Geometry analysis of first-order channels using terrestrial laserscaner
      - collaboration with Dr. T. A. Wasklewicz in East Carolina Univ. and Dr. Y.S. Hayakawa in Univ. Tokyo
    • Lithological impacts on weathering, subsurface flowpath and shallow landsliding
      - collaboration with Dr. T. Wakatsuki in NIED
    • Effect of lithology on sinuosity of incised meanders
      - collaboration with Dr. C. P. Stark in Columbia Univ. and Dr. Y.S. Hayakawa in Univ. Tokyo
  2. Rock weathering process by in-situ experiment and geochemical analysis
    • In-situ weathering experiment using various rock tablets
    • Hydrological processes and dissolution of limestone on karst plateau, using in-situ weathering experiment
      - collaboration with Dr. Y. Matsushi in Univ. Tokyo
    • Estimating chemical weathering rate using cosmogenic radio nuclides analysis
      - collaboration with Dr. Y. Matsushi in Univ. Tokyo
  3. Prediction of travel distance of landslides
    - collaboration with Dr. H. Moriwaki in NIED, Japan


Articles (Publication in English only):

PDF request: please contact me by e-mail.

  1. Akiyama, S., Hattanji, T., Matsushi, Y., Matsukura, Y. (2015) Dissolution rates of subsoil limestone in a doline on the Akiyoshi-dai Plateau, Japan: An approach from a weathering experiment, hydrological observations, and electrical resistivity tomography. Geomorphology, in press (available online). doi:10.1016/j.geomorph.2015.05.028
  2. Hattanji, T., Ueda, M., Song, W.S., Ishii, N., Hayakawa, Y.S., Takaya, Y., Matsukura, Y. (2014) Field and laboratory experiments on high dissolution rates of limestone in stream flow. Geomorphology, 204, 485-492. doi:10.1016/j.geomorph.2013.08.027
  3. Hattanji, T., Wasklewicz, T.A., Hayakawa, Y.S., Wester, T., Hegi, Y. (2012) Hydrogeomorphic effects of basin lithology on development of channel steps in first-order basins of the Ashio Mountains, Japan. Physical Geography, 33, 536-560. www.tandfonline.com
  4. Hattanji, T., Matsushi, Y. (2011) Channel initiation in a mountain basin underlain by granodiorite: A case study in the Abukuma Mountains, Japan. Tsukuba Geoenvironmental Sciences, 7, 19-23. PDF (University of Tsukuba Library)
  5. Matsushi, Y., Hattanji, T., Akiyama, S., Sasa, K., Takahashi, T., Sueki, K., Matsukura, Y. (2010) Evolution of solution dolines inferred from cosmogenic 36Cl in calcite. Geology, 38, 1039-1042. doi:10.1130/G31302.1
  6. Stark, C.P., Barbour, J.R., Hayakawa, Y.S., Hattanji, T., Hovius, N., Chen,H., Lin, C.-W., Horng, M.-J., Xu, K.-Q., Fukahata, Y. (2010) The climatic signature of incised river meanders. Science, 327, 1497-1501. doi: 10.1126/science.1184406
  7. Imaizumi, F., Hattanji, T., Hayakawa, Y.S. (2010) Channel initiation by surface and subsurface flows in a steep catchment of the Akaishi Mountains, Japan. Geomorphology, 115, 32-42.doi:10.1016/j.geomorph.2009.09.026
    Also available at Tulips-R, Univ. Tsukuba
  8. Wasklewicz, T.A., Hattanji, T. (2009) High-resolution analysis of debris flow-induced channel changes in a headwater stream, Ashio Mountains, Japan. The Professional Geographer, 61, 231–249. doi:10.1080/00330120902743225
  9. Hattanji, T., Moriwaki, H. (2009) Morphometric analysis of relic landslides using detailed landslide distribution maps: Implications for forecasting travel distance of future landslides. Geomorphology, 103 (3), 447–454. doi:10.1016/j.geomorph.2008.07.009
    Also available at Tulips-R, Univ. Tsukuba
  10. Hattanji, T., Yamamoto, M., Matsukura, Y. (2008) Dissolution rates of limestone tablets in a flow-through system: A laboratory experiment. Tsukuba Geoenvironmental Sciences, 4, 3-7. PDF (University of Tsukuba Library)
  11. Matsukura, Y., Hattanji, T., Oguchi, C.T., Hirose, T. (2007) Ten year measurements of weathering rates of rock tablets on a forested hillslope in a humid temperate region, Japan. Zeitschrift für Geomorphologie, 51, 27-40.
  12. Hattanji, T., Matsushi, Y. (2006) Effect of runoff processes on channel initiation: comparison of four forested mountains in Japan. Transactions, Japanese Geomorphological Union, 27(3), 319-336.
  13. Hattanji, T., Onda, Y. and Matsukura, Y. (2006) Thresholds for bed load transport and channel initiation in a chert area in Ashio Mountains, Japan: An empirical approach from hydrogeomorphic observations. Journal of Geophysical Research, 111, F02022. doi:10.1029/2004JF000206
  14. Matsushi, Y., Hattanji, T., Matsukura, Y. (2006) Mechanisms of shallow landslides on soil-mantled hillslopes with permeable and impermeable bedrocks in the Boso Peninsula, Japan. Geomorphology, 76, 92-108.doi:10.1016/j.geomorph.2005.10.003
  15. Matsukura, Y., Hattanji, T., Oguchi, C.T., Hirose, T. (2006) Rates of chemical weathering of porous rhyolites: ten-year measurements using the weight-loss method. Tsukuba Geoenvironmental Sciences, 2, 3-8.
  16. Moriwaki, H., Inokuchi, T., Hattanji, T., Sassa, K., Ochiai, H., Wang, G. (2004) Failure processes in a full-scale landslide experiment using a rainfall simulator. Landslides, 1, 277-288. doi:10.1007/s10346-004-0034-0
  17. Hattanji, T., Onda, Y. (2004) Coupling of runoff processes and sediment transport in mountainous watersheds underlain by different sedimentary rocks. Hydrological Processes, 18, 623-636. doi:10.1002/hyp.1262
  18. Matsukura, Y., Aoki, H., Hattanji, T., and Kuchitsu, N. (2004) Equotip hardness for weathered surface layer of tuffaceous sandstone at Yagura artificial caves in Kamakura City. Ann. Rep., Inst. Geosci., Univ. Tsukuba, 30, 27-32.
  19. Hattanji T., Wakasa S. and Matsushi Y. (2003) The numerical relationship among first-order streams, peaks and saddles in two dissected mountains. Transactions, Japanese Geomorphological Union, 24, 205-213.
Last update: 2015/8/5. Copyright © 2010 Tsukuba Geomorphology Laboratory. All rights reserved.