| 1. |
Phanny He, Masami Ohtsubo, Takahiro Higashi, Motohei Kanayama, Sensitivity of Salt-leached Clay Sediments in the Ariake Bay Area, Japan, Marine Georesources & Geotechnology, 10.1080/1064119X.2014.952854, Volume 33, Issue 5, 429-436, 2015.03. |
| 2. |
Ohtsubo, M., Sugimoto, H., Furuno, K., Tsuji H. and Higashi, T.(2013): Resistance to erosion of bamboo fiber as a slope greening substrate, Science Bulletin of the Faculty of Agriculture, Kyushu University, Vol.69, No.2, pp.47-54 (in Japanese).. |
| 3. |
Phanny He, Masami Ohtsubo, Hiroshi Abe, Takahiro Higashi, Motohei Kanayama, Quick clay development and cation composition of pore water in marine sediments from the Ariake Bay area, Japan, International Journal of Geosciences, http://dx.doi.org/10.4236/ijg.2014.56054, Vol.5, No.6, 595-606., 2014.05. |
| 4. |
Thi Lan Huong Nguen, Motohei Kanayama, Takahiro Higashi, Van Chinh Le, Thu Ha Doan, Anh Dao Chu, Assessment of the water quality of the Nhue river in Vietnam and its suitability for irrigation water, Journal of the Faculty of Agriculture, Kyushu University, Vol.59, No.1, 143-147., 2014.02. |
| 5. |
Thi Lan Huong Nguen, Motohei Kanayama, Takahiro Higashi, Van Chinh Le, Thu Ha Doan, Anh Dao Chu, Heavy metal of soil in wastewater-irrigated agricultural soil in a surrounding area of the Nhue river, Vietnam, Journal of the Faculty of Agriculture, Kyushu University, Vol.59, No.1, 149-154., 2014.02. |
| 6. |
Akiko Nakano, Loretta Li, Masami Ohtsubo, Takahiro Higashi, Motohei Kanayama, Lead sorption characteristics of bentonites from Japan and U.S.A in view of their mineralogy and chemistry, Clay Science, Vol.17, No.4, 93-102, 2013.12. |
| 7. |
Nakano, A., Morishita, T., Ohtsubo, M., Higashi, T. and Kanayama, M.(2013): , Effects of Salinity on Lead Sorption
and Migration of Clay Liner Materials, Trans of JSIDRE, Vol.81, No.6(No.288), pp.47-53 (in Japanese).. |
| 8. |
Abe, H., He, P., Ohtsubo, M., Higashi, T. and Kanayama, M.(2013): Relation between quick clay formation by salt leaching and pore-water ion composition, Science Bulletin of the Faculty of Agriculture, Kyushu University, Vol.68, No.2, pp.25-34 (in Japanese).. |
| 9. |
Aflakhur Ridlo, Masami Ohtsubo, Takahiro Higashi, Motohei Kanayama, Masanori Tanaka, Effects of pore water salinity on the liquid limit of Mexico City clay and the swelling characteristics of its constituent minerals, Clay Science, Vol.15, 105-110, 2012.12. |
| 10. |
Aflakhur Ridlo, Masami Ohtsubo, Takahiro Higashi, Motohei Kanayama, Masanori Tanaka, Mineralogy and chemistry of Mexico City clay and their contribution to the unusual geotechnical index properties of the clay, Clay Science, Vol.15, 95-104, 2012.12. |
| 11. |
Masami Ohtsubo, Kazutaka Konishi, Hiroki Madama, Takahiro Higashi, Motohei Kanayama, Evaluation of oil absorbing ability for peat using a column test, ASTM International: Contaminated Sediments,5th Volume STP1554,ASTM International, Selected Technical Papers, STP1554, Contaminated Sediments: 5th Volume Restoration of aquatic Environment, 264-274, 2012.10. |
| 12. |
Motohei Kanayama, Masataka Akashi, Masami Ohtsubo, Takahiro Higashi, Cementation of soil due to carbonate precipitation in the presence of oyster shell, ASTM International: Contaminated Sediments,5th Volume STP1554,ASTM International, Selected Technical Papers, STP1554, Contaminated Sediments: 5th Volume Restoration of aquatic Environment, 175-186, 2012.10. |
| 13. |
Nguyen Thi Lan Huong, Masami Ohtsubo, Takahiro Higashi and Motohei Kanayama, Heavy Metal Concentration in Sediments of the Nhue River and its Water-Irrigated Farmland Soil in the Suburbs of Hanoi, Vietnam, Soil and Sediment Contamination: An International Journal, Vol.21, Issue 3, 364-381, 2012.04. |
| 14. |
Anil Kumar Mishra, Masami Ohtsubo, Loretta Y. Li, Takahiro Higashi, Influence of various factors on the difference in the liquid limit values determined by Casagrande's and fall cone method, Journal of Environmental Earth Science, Vol.65, 21-27, 2012.04. |
| 15. |
Kanayama, M., M. Ohtsubo, T. Higashi, M. Tanaka and K. Soga, Evaluation of Microscopic Behaviour for Clay by Using Micro-Indenter, Journal of the Faculty of Agriculture, Kyushu University, Vol.57, No.1, 189-194., 2012.02. |
| 16. |
Ohtsubo, M., Konishi, K., Madama, H., Higashi, T., Kanayama, M. and Takada, Y.(2011): , Effects Salt on the Lead Adsorption and Migration in Marine Clay, Trans of JSIDRE, Vol.80, No.1(No.277), pp.1-7 (in Japanese).. |
| 17. |
Morishita, T., Ohtsubo, M., Loretta L. and Higashi, T.(2011): , Effects Salt on the Lead Adsorption and Migration in Marine Clay - Application of natural clay liner to coastal landfill sites -, Trans of JSIDRE, Vol.79, No.6(No.276), pp.7-13 (in Japanese).. |
| 18. |
Ohtsubo, M., Konishi, K., Madama, H., Higashi, T., Kanayama, M. and Takada, Y.(2011): , Effects Salt on the Lead Adsorption and Migration in Marine Clay, Trans of JSIDRE, Vol.80, No.1(No.277), pp.1-7 (in Japanese).. |
| 19. |
Mishra, A. K., Ohtsubo, M., Li, L. and Higashi, T., Controlling factors of the swelling of various bentonites and their correlations with the hydraulic conductivity of soil-bentonite mixtures, Applied Clay Science, Vol.52, Issues 1-2, 78-84., 2011.04. |
| 20. |
Anil Kumar Mishra, Aflakhur Ridlo, Masami Ohtsubo and Takahiro Higashi , Comparison of the Clay Fraction of Ariake Clay Determined by Japanese and ASTM Standards, Marine Georesources & Geotechnology, 1521-0618, Volume 29, Issue 2, 2011, 110–116., 2011.04. |
| 21. |
Anil Kimar Mishra, Masami Ohtsubo, Loretta Y. Li and Takahiro Higashi, Influence of the bentonite on the consolidation behaviour of soil-bentonite mixtures, Carbonates Evaporites, 2010.05. |
| 22. |
Nguyen Thi Lan Huong , Masami Ohtsubo, Loretta Li, Takahiro Higashi and Motohei Kanayama, Heavy-Metal Contamination of Soil and Vegetables in Wastewater-Irrigated Agricultural Soil in a Suburban Area of Hanoi, Vietnam, Communications in Soil Science and Plant Analysis, Vol.41,No.4,390-407, 2010.03. |
| 23. |
Nguyen Thi Lan Huong , Masami Ohtsubo, Loretta Li, Takahiro Higashi and Motohei Kanayama, Heavy metal contamination of river sediments in Vietnam, Water management, Vol.163 Issue WM3,111-121., 2010.03. |
| 24. |
Mishra, A., Ohtsubo, M., Li, L., Higashi, T. and Park, J., Effect of salt of various concentration on liquid limit, and hydraulic conductivity of four different soil-bentonite mixtures, Environmental Geology, Vol.57, No.5, 1145-1153, 2009.10. |
| 25. |
Nguyen Thi Lan Huong , Masami Ohtsubo, Loretta Li, Takahiro Higashi and Motohei Kanayama, HEAVY METAL CHARACTERIZATION AND LEACHABILITY OF ORGANIC MATTER-RICH RIVER SEDIMENTS IN HANOI, VIETNAM, International Journal of Soil, Sediment and Water, Vol.3, Issue1, 2009.10. |
| 26. |
Ohtsubo, M., Higashi, T., Kanayama, M., Inoue, S. and Oshima, Y., Distribution and correlation of tributyltin and organic matter in the sediments of Hakata Bay, Japan, Jounal ASTM International, Vol.6, No.6, 2009.06. |
| 27. |
Morishita, T., Ohtsubo, M., Higashi, T. and Li, L.(2009): , Effects of Salt on the Hydraulic Conductivity and Lead Sorption of Marine Clay, Sci. Bull. Fac. Agr., Kyushu Univ., Vol.64, No.1, pp.55-61 (in Japanese).. |
| 28. |
Kanayama, M., Ohira, T., Ogawa, Y., Higashi, T., Ohtsubo, M. and Nakano, A.(2009): , Variation of Microstructure with Consolidation Proceeding for Sand-Clay Mixed Soils, Journal of the Clay Science Society of Japan, Vol.48, No.1, pp.1-8 (in Japanese).. |
| 29. |
Kanayama, M., Yamashita, H., Higashi, T. and Ohtsubo, M.(2009): , Examination for Predicting Consolidation Settlement by Measurement Records - Prediction of settlement by using neural network model -, Trans of JSIDRE, Vol.77, No.1(No.259), pp.61-69 (in Japanese).. |
| 30. |
Mishra, A., Ohtsubo, M., Li, L., Higashi, T. and Park, J., Effect of salt of various concentrations on liquid limit, and hydraulic conductivity of four different soil-bentonite mixtures, Environmental Geology, Vol.57, No.5, 1145-1153., 2008.10. |
| 31. |
Nguyen, T. L. H.，Ohtsubo, M.，Li. , L., Higashi, T. and Kanayama, M., Assessment of the water quality of two rivers in Hanoi City and its suitability for irrigation water, Paddy and Water Environment, Vol.6, No.3, 257-262., 2008.09. |
| 32. |
Nguyen, T. L. H.，Ohtsubo, M.，Li , L., Higashi, T., Kanayama, M. and Nakano, A., Heavy metal contamination of soil and rice in wastewater-irrigated paddy field in a suburban area of Hanoi, Vietnam, Clay Science, Clay Science, Vol.13, 205-215., 2008.06. |
| 33. |
Ohtsubo, M., Ohara, H., Higashi, T., Kanayama, M. and Nakano, A.(2009): , Effects of Salts Leaching on Consolidation Characteristics of Ariake Clay, Journal of the Clay Science Society of Japan, Vol.47, No.2, pp.1-8 (in Japanese).. |
| 34. |
Nakano, A., Li, L. Ohtsubo, M., Mishra, A. and Higashi, T., Lead retention mechanisms and hydraulic conductivity studies of various bentonites for geoenvironment applications, Journal of Environmental Technology, Vol.29, No.5, 505-514., 2008.05. |
| 35. |
Yamaoka, S., Ohtsubo, M., Higashi, T.(2007): Role of Carbonate for Pb Sorption in Some Bentonites, Trans of JSIDRE, Vol.75, No.5(No.251), pp.15-23 (in Japanese).. |
| 36. |
Akiko Nakano, Loretta Li, Masami Ohtsubo, Takahiro Higashi and Motohei Kanayama, Retention mechanisms of lead and the role of carbonate in some Japanese bentonites, 60th Canadian Geotechnical Conference & 8th Joint CGS/IAH-CNC Groundwater Conference, Vol.60, 1417-1422., 2007.10. |
| 37. |
Motohei Kanayama, Takahiro Higashi, Masami Ohtsubo and Akiko Nakano, Coefficient of secondary consolidation for Ariake marine clay, 60th Canadian Geotechnical Conference & 8th Joint CGS/IAH-CNC Groundwater Conference, Vol.60, 1896-1901., 2007.10. |
| 38. |
Nguen, T. L. H. , Ohtsubo, M., Li, L. and Higashi, T., Heavy metal pollution of the To-Lich and Kim-Nguu Rivers in Hanoi City and the industrial source of the pollutants, 九州大学大学院農学研究院紀要, Vol.52, No.1, 141-146., 2007.02. |
| 39. |
Nguen, T. L. H. , Ohtsubo, M., Li, L. and Higashi, T., Mobility of Heavy Metals in the Sediment of the To Lich River and the Kim Nguu River in Hanoi City, 九州大学大学院農学研究院紀要, Vol.52, No.1, 179-185., 2007.02. |
| 40. |
Li, L. Y., Ohtsubo, M., Higashi, T., Yamaoka, S. and Morishita, T., Leachability of municipal solid waste ashes in simulated landfill conditions, Waste Management, Vol.27, 932-945., 2007.01. |
| 41. |
Yamaoka, S., Morishita, T., Ohtsubo, M., Higashi, T. and Hagio, T.(2005): Leachability of Heavy Metals and Soluble Ions in the Incineration Ash by Serial Batch Test, Trans of JSIDRE, Vol.74, No.6(No.246), pp.41-47(in Japanese).. |
| 42. |
Ohtsubo, M., Morishita, T., Li, L., Higashi, T. and Yamaoka, S., Effects of salt on the sorption of lead by marine clays in column tests, Journal of ASTM International, Vol.3, No.6, 135-145, 2006.06. |
| 43. |
Mishra, A. K., Ohtsubo, M., Li, L. and Higashi, T., Effect of Salt Concentrations on the Hydraulic Conductivity of the Mixtures of Basalt Soil and Various Bentonites, 九州大学大学院農学研究院紀要, Vol.51, No.1, 37-43., 2006.02. |
| 44. |
Kanayama, M., Higashi, T., Ohtsubo, M. and Chikushi, J.(2005): Determination of Coefficient of Consolidation by Using Nonlinear Least Square Method, Trans of JSIDRE, Vol.73, No.6(No.240), pp.55-61(in Japanese).. |
| 45. |
Mishra, A. K., Ohtsubo, M., Li, L. and Higashi, T., Effect of Salt Concentrations on the Permeability and Compressibility of Soil-Bentonite Mixtures, 九州大学大学院農学研究院紀要, 50, 2, 837-849, Vol.50, No.2, 837-849., 2005.10.  |
| 46. |
Ohtsubo, M., Noda, M., Higashi, T., Yamaoka, S. and Kobayashi, T.(2005): Sorption of Heavy Metal in Suspended and Compact Volcanie Ash Soil, J. of JGS, Vol.45, No.4, pp.171-177(in Japanese).. |
| 47. |
Yamaoka, S., Ohtsubo, M., Higashi, T. and Loretta, L.(2005): Heavy Metal Sorption of the Bentonite-Basalt Mixture as Clay Liner Material, Trans of JSIDRE, Vol.73, No.4(No.238), pp.43-49(in Japanese).. |
| 48. |
Ohtsubo, M., Ishida, h., Minei, H., Yamaoka, S. and Higashi, T.(2005):Physical and Chemical Properties of the Nest-site Beach of the Horseshoe Crab Rehabilitated by Sand Placement, J. Jpn. Soc. Soil Phys., No.99, pp.55-63(in Japanese).. |
| 49. |
Kanayama, M., Ohtsubo, M., Higashi, T. and Hiyama, H.(2004):One-dimensional Swelling and Consolidation Properties for Ariake Clay, Trans of JSIDRE, Vol.72, No.6, pp.147-152(in Japanese).. |
| 50. |
Hiyama, H., Takayama, M., Ohtsubo, M., Higashi, T. and Kanayama, M.(2002)：Changes in the compressibility and Shear Strength of Onjuku Soil Compacted below Optimum Water Content after Soaking, Trans of JSIDRE, Vol.70, No.4, pp.85-94(in Japanese).. |
| 51. |
Kanayama, M., Hiyama, H., Higashi, T. and Takayama, M.(2001)：Coefficient of Secondary Consolidation for Clay, Trans of JSIDRE, Vol.69, No.1, pp.75-81(in Japanese).. |
| 52. |
Higashi, T., Takayama, M., Hiyama, H. and Nagata, K.(2000)：Strength Characteristics of Ariake Clay-In the case of urdisturbed samples obtained in the inner area of Isahaya Bay-, Trans of JSIDRE, Vol.68, No.6, pp.111-118(in Japanese).. |
| 53. |
Takayama, M., Higashi, T., Hiyama, H., Kanayama, M., Hamada, T. and Nagata, K.(1999)：Ko, λ, κ of Ariake Clay-, Trans of JSIDRE, Vol.68, No.5, pp.95-102(in Japanese).. |
| 54. |
Higashi, T. and Takayama, M.(1999)：Consolidation Deformation Analyses of the Embankment Foundation Ground by Elasto - plastic Finite Element Method - In the case of the embankment in the right bank of Ariake -, Trans of JSIDRE, Vol.67, No.4, pp.23-35(in Japanese).. |
| 55. |
Higashi, T. and Takayama, M.(1998)：Consolidation Deformation Analyses of the Ground by Finite Deformation Elasto-plastic Finite Element Method, Trans of JSIDRE, Vol.66, No.6, pp.141-152(in Japanese).. |
| 56. |
Higashi, T. and Takayama, M.(1998)：Bearing Capacity Analyses of Anisotropically and Normally Consolidated Grounds by Finite Element Method -Bearing capacity of the ground under undrained and partially drained conditions-, Trans of JSIDRE, Vol.66, No.6, pp.31-39(in Japanese).. |
| 57. |
Higashi, T. and Takayama, M.(1998)：Effects of the Difference between the Two Evaluation Methods of the Hydraulic Gradient on the results of the Consolidation Analyses -An investigation on Akai and Tamura's consolidation analysis method-, Trans of JSIDRE, Vol.66, No.6, pp.141-149(in Japanese).. |
| 58. |
Higashi, T. and Takayama, M.(1998)：Bearing Capacity Analysis of a Ground by Finite Element Method -A proposal of an evaluation method of bearing capacity of ground using the consolidation deformation analysis method and an application to undrained bearing capacity analyses-, Trans of JSIDRE, Vol.66, No.6, pp.69-78(in Japanese).. |
