Kyushu University [Koji Nishiyama (Assistant Professor) Faculty of Engineering, ]

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Koji Nishiyama
Assistant Professor
Water/Resources Cycle System
Faculty of Engineering
Last modified date：2024.04.22

Graduate School

Department of Urban and Environmental Engineering
Graduate School of Engineering

Undergraduate School

Department of Earth Resources,Marine and Civil Engineering
School of Engineering

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Academic Degree

Field of Specialization

Research

Research Interests

Diagnosis of disaster risk based on local heavy disaster records
keyword : disaster record, disaster risk
2014.08.
Forecasting and diagnosis of heavy rainfall in a rainy season
keyword : heavy rainfall, water-related disaster, heavy rainfall forecasting, heavy rainfall diagnosis
1995.04.
Evaluation of heavy rainfall and severe drought features affected by climate change using artificial intelligencce technique
keyword : climate change, global warming, heavy rainfall, drought, artificial intelligence
2006.08～2018.03.
Study on effective evacuation from night tornado in the sea
keyword : tornado
2015.02～2019.03.
Fundamental study on the mitigation of heavy rainfall and snowfall using cloud seeding technique
keyword : cloud seeding, the mitigation of heavy rainfall and snowfall
2013.05～2018.03.
Forecasting of summertime local thunderstorm
keyword : local water vapor circulation, sea breeze, cumulonimbus, heat island
1994.07～2004.03.
Weather modification study for water resources
keyword : rainmaking, weather modification, liquid carbone dioxide
1996.09～2018.03.

Academic Activities

Books

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1.	Koji Nishiyama, KENJI WAKIMIZU, Yoshinori Suzuki, Taichi Maki, Osamu Morita, Kikuro Tomine, Sustainable Water Resources Management, ASCE books, American Society of Civil Engineers, chapter 9, Introduction of cloud seeding studies for obtaining atmospheric water resources, 2017.09.
2.	Kikuro Tomine, KENJI WAKIMIZU, Koji Nishiyama, Samples of artificial cloud seeding with liquid carbon dioxide, LAMBERT Academic Publishing (in Germany), pp.1-88, 2016., 2016.12.
3.	Koji Nishiyama, Climate Change Modeling, Mitigation, and Adaptation, ASCE books, American Society of Civil Engineers, chapter 17, Diagnosis of climate and weather, 2013.01.

Papers

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1.	Koji Asai, Hajime Shirozu, Koji Nishiyama, Classification of Typhoon Pattern landed in Japan using Self-Organizing Map, Proceedings of the 40th IAHR World Congress 21-25 August 2023, Vienna, Austria, pp.2297-2304, 2023, 2023.06.
2.	Koji Asai, Koji Nishiyama, Hajime Shirozu, Pattern Analysis of Meteorological Field causing Heavy Rainfall Disaster in Kyushu and Chugoku Region Japan Using Self Organizing Map, Proceedings of the 39th IAHR World Congress 19-24 June 2022, Granada, Spain, 7p, 2022.06.
3.	Taichi MAKI, Koji NISHIYAMA, Osamu MORITA, Yoshinori SUZUKI, Kenji WAKIMIZU, Artificial rainfall experiment involving seeding of liquid carbon dioxide at Karatsu in Saga, Journal of Agricultural Meteorology, Vol. 74, No. 1, pp.45-53, 2018.02.
4.	MASAKI SHIMADA, KIKURO TOMINE, KOJI NISHIYAMA, Model Analysis of Radar Echo Split Observed in an Artificial Cloud Seeding Experiment, Journal of Meteorological Research, Vol. 30, No.3, pp. 386-400, 2016., 2016.09.
5.	KOJI NISHIYAMA, Izumi YOKOTA, Toshiyuki MORIYAMA, Kenji Wakimizu, Kenichi Tsukahara, Application of Easily- and Visually-recognizable Meteorological Radar Products for Early Detection of Heavy Rainfall Occurrence, No.263, 37th AMS radar conference, Norman, US, 2015.09.
6.	KOJI NISHIYAMA, Toshiyuki MORIYAMA, Katsuhiro MORISHITA, Izumi YOKOTA, Kenichi Tsukahara, Risk Analysis of Heavy Rainfall and Associated Disaster Occurrence Based on Pattern Recognition of Meteorological Fields Using Self-Organizing Map, E-proceedings of the 36th IAHR World Congress, The Hague, the Netherlands, 28 June – 3 July, 2015, 2015.07.
7.	KIKURO TOMINE, MASAKI SHIMADA, Kenji Wakimizu, KOJI NISHIYAMA, An Example of Canal Formation in a Thick Cloud Induced by Massive Seeding Using Liquid Carbon Dioxide, Journal of Meteorological Research, Vol.29, pp.682-690, 2015.06.
8.	TAICHI MAKI, OSAMU MORITA, KOJI NISHIYAMA, YOSHINORI SUZUKI, KENJI WAKIMIZU, An artificial rainfall experiment based on the seeding of liquid carbon dioxide by aircraft on December 27, 2013, at Saijo, Ehime, in the Inland Sea of Japan, Journal of Agricultural Meteorology, Vol.71, No.4, pp.245-255, 2015.03.
9.	ARI MARYADI, KIKURO TOMINE, KOJI NISHIYAMA, Some aspects of a numerical glaciogenic artificial cloud seeding experiment using liquid carbon dioxide over Kupang, Indonesia, Journal of Agricultural Meteorology , Vol.71, No.1, pp.1-14, 2015.02.
10.	TAICHI MAKI, OSAMU MORITA, YOSHINORI SUZUKI, KOJI NISHIYAMA, KENJI WAKIMIZU, Application of artificial rainfall by the aircraft seeding of liquid carbon dioxide for utilization of water resources and prevention of desertification, Journal of Arid land studies, Vol.25, No.3, pp.73-76, 2015.01.
11.	TAICHI MAKI, OSAMU MORITA, YOSHINORI SUZUKI, KENJI WAKIMIZU, KOJI NISHIYAMA, Artificial rainfall expriment by seeding liquid carbon dioxide above the Izu Islands of Tokyo on March 14 in 2013, Journal of Agricultural Meteorology , Vol.70, No.4, pp.199-211, 2014.11.
12.	KENJI WAKIMIZU, KOJI NISHIYAMA, OSAMU MORITA, KIKURO TOMINE, YOSHINORI SUZUKI, TAICHI MAKI, Characteristics of Radar Echoes formed by Seeding Experiment of Liquid Carbon Dioxide for Enhancing Winter-time Precipitation in the northern part of Kyushu, Japan, 8th European Conference on Radar in Meteorology and Hydrology, 5p, 2014.09.
13.	IZUMI YOKOTA, KOJI NISHIYAMA, KENICHI TSUKAHARA, KENJI WAKIMIZU, Visually and Easily Detectable Radar Information available for Judging the Evacuation from Heavy Rainfall Disasters, 8th European Conference on Radar in Meteorology and Hydrology, 5p, 2014.09.
14.	KENJI WAKIMIZU, Koji Nishiyama, Cintia Bertacchi Uvo, Jonas Olsson, ANNUAL VARIATION IN HEAVY RAINFALL FREQUENCY IN KYUSHU, JAPAN, LINKING TO A SYNOPTIC FIELD PATTERN CLASSIFIED BY SELF-ORGANIZING MAP, Proceedings of 94th American Meteorological Society Annual Meeting in Atlanta, USA, 2014.02.
15.	Kosuke Sato, Cintia Bertacchi Uvo, Yoshinari Hiroshiro, Koji Nishiyama, H. Yasuda, X.C.Zhang, J.Y.Zheng , Decadal Variation in Rainfall in the Yellow River Basin, Proceedings of International Symposium on Earth Science and Technology 2011 in Fukuoka, Japan , pp.549-552, 2011.12.
16.	Koji NISHIYAMA, Kenji WAKIMIZU, Decadal Variation of Heavy Rainfall Frequency in Kyushu, Japan and Associated Synoptic Weather Patterns, 6th European Conference on Severe Storms (ECSS 2011), 3 - 7 October 2011, Palma de Mallorca, Balearic Islands, Spain, number 83, pp.1-6, November, 2011, 2011.10.
17.	Jinichiro Seto, Kikuro Tomine, Kenji Wakimizu, Koji Nishiyama, Artificial cloud seeding using liquid carbon dioxide: comparisons of experimental data and numerical analyses, Journal of Applied Meteorology and Climatology, Vol.50, pp.1417-1431, 2011.07.
18.	Koji Nishiyama, Yoshihiko Iseri, Kenji Jinno, SIGNIFICANT FEATURES OF WARM SEASON WATER VAPOR FLUX RELATED TO HEAVY RAINFALL AND DRAUGHT IN JAPAN, Proceedings of Earth Observation and Water Cycle Science, CD-R, 18-20 November 2009, Italy, 2009.11.
19.	Koji NISHIYAMA, Cintia UVO, Jonas OLSSON, Ronny BERNDTSSON, Kenji JINNO, Detection of Climate Change Impact on Central South America Using Self-Organizing Map, International Symposium on Earth Science and Technology 2008, pp. 481-488, 2008, 2008.12.
20.	Koji NISHIYAMA, Shinichi ENDO, Kenji JINNO, Identification of typical synoptic patterns causing heavy rainfall in the rainy season in Japan by a self-organizing map, Atmospheric Research, Vol.83, pp.185-200, 2007.02.
21.	Koji NISHIYAMA, Shinichi ENDO and Kenji JINNO, Meteorological Field Patterns Classified using Self-Organizing Map (SOM), Proceedings of XXXI IAHR congress, Seoul, pp. 3709-3718, 2005.09.
22.	Misato Nagata, Kenji WAKIMIZU, Koji NISHIYAMA, Norihiko FUKUTA, Taichi Maki, Numerical simulation for optimum seeding operation using liquid carbon, Journal of Agricultural Meteorology, vol. 60, no. 5, 901-904, 2005.02.
23.	Koji NISHIYAMA, Norihiko FUKUTA, Kenji WAKIMIZU, Theoretical Approach for Optimum Seeding Operation using Liquid Carbon Dioxide Seeding, Journal of Agricultural Meteorology, vol. 60, no. 5, 721-724, 2005.02.
24.	Koji Nishiyama, Yoshitaka I, Akira Kawamura, Kenji Jinno, Pattern recognition of meteorological elements related with heavy rainfall in Japan using Self-Organizing Map (SOM) algorithm, Proceedings of APHW conference, Vol.2, pp.420-427, 2004.07.
25.	Misato Nagata, Kenji Wakimizu, Koji Nishiyama, and Norihiko Fukuta, Microphysical analysis of artificially induced radar echoes by liquid carbon dioxide seeding, Sixth International Symposium on Hydrological Applications of Weather Radar, CD-ROM version, Merbourne, Australia, 2004.02.
26.	Koji Nishiyama, Yoshitaka I, Akira Kawamura, and Kenji Jinno, mprovement of MOS procedure for constructing significant relationship between rainfall amount and associated dominant indices, Sixth International Symposium on Hydrological Applications of Weather Radar, CD-ROM version, Merbourne, Australia, 2004.02.
27.	J.Olsson, C. B. Uvo, K. Jinno, A. Kawamura, K. Nishiyama, N. Koreeda, T. Nakashima, O. Morita, Neural Networks for Rainfall Forecasting by Atmospheric Downscaling, Journal of Hydrologic Engineering, 10.1061/(ASCE)1084-0699(2004)9:1(1), 9, 1, 1-12, Vol.1, pp.1-12, 2004.01.
28.	Kenji WAKIMIZU, Koji NISHIYAMA, Norihiko FUKUTA, Hisashi YOSHIKOSHI, Yoshinori SUZUKI, Evolution of Radar Echoes in LOLEPSHIN Winter Convective Cloud Seeding , Preprint, 8th WMO Scientific Conf on Wea. Mod., Casablanca, Morocco, pp.83-86, 2003.04.
29.	Koji NISHIYAMA, Norihiko FUKUTA, Kenji WAKIMIZU, Microphysical and Dynamical Evaluation of Radar Reflectivity in LOLEPSHIN Seeded Cloud, Preprint, 8th WMO Scientific Conf on Wea. Mod., Casablanca, Morocco, pp.79-81, 2003.04.
30.	K. NISHIYAMA, K.WAKIMIZU, H. YOSHIKOSHI, Y. SUZUKI and N.FUKUTA, Enhancement of precipitation by liquid carbon dioxide seeding, Second European Conference on Radar Meteorology (ERAD), Delft, Netherlands,pp.150-154, 2002.11.
31.	K. NISHIYAMA, I. ISHIKAWA, K. JINNO, A. KAWAMURA, K. WAKIMIZU, Radar and GPV-based consideration on significant indices for detecting heavy rainfall, Second European Conference on Radar Meteorology (ERAD), Delft, Netherlands, pp.272-276, 2002.11.
32.	New Rainmaking Experiment Using Liquid Carbon Dioxide Seeding Method for Enhancing Water Resources.
33.	Wakimizu K, Nishiyama K, Suzuki Y, Tomine K, Yamazaki M, Isimaru A, Ozaki M, Itano T, Naito G, Fukuta N, A Low Level Penetration Seeding Experiment of Liquid Carbon Dioxide in a Convective Cloud, Hydrological Processes, 10.1002/hyp.1153, 16, 11, 2239-2253, Vol.16, pp.2239-2253, 2002.05.
34.	A Numerical Study on Variation of Water Vapor in Lower Layers Connected with Precipitable Water.
35.	Uvo, C. B., Olsson, J., Morita, O., Jinno, K., Kawamura, A., Nishiyama, K., Koreeda, N.and Nakashima, T, Statistical atmospheric downscaling for rainfall estimation in Kyushu Island, Japan, Hydrology and Earth System Science, 5, 2, 259-271, Vol.5, No.2, pp.259-271, 2001.04.
36.	Norihiko FUKUTA, Kenji WAKIMIZU, Koji NISHIYAMA, Yoshinori SUZUKI, H YOSHIKOSHI, Large unique radar echoes in a new, self-enhancing cloud seeding, Atmospheric Research, Elsevier, 10.1016/S0169-8095(00)00065-X, 55, 3-4, 271-273, vol.55, pp.271-273, 2000.10.
37.	Kenji WAKIMIZU, Yoshinori SUZUKI, Koji NISHIYAMA, H.Yoshikoshi, Norihiko FUKUTA, Precipitation Augmentation by A New Method of Cloud Seeding in Northern Kyushu, Proceedings of the International Symposium on Lowland Technology, Saga University,pp.323-330, 2000.10.

Presentations

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1.	KOJI NISHIYAMA, KENJI WAKIMIZU, Cintia Bertacchi Uvo, JONAS OLSSON, ANNUAL VARIATION IN HEAVY RAINFALL FREQUENCY IN KYUSHU, JAPAN, LINKING TO A SYNOPTIC FIELD PATTERN CLASSIFIED BY SELF-ORGANIZING MAP, 94th AMS Annual Meeting in Atlanta, 2014.02.
2.	Koji Nishiyama, KENJI WAKIMIZU, TAICHI MAKI, YOSHINORI SUZUKI, KIKURO TOMINE, OSAMU MORITA, The application of time-dependent ice crystal trajectory and growth model for the evaluation of cloud seeding experiment using liquid carbon dioxide, American Geophysical Union Fall meeting, 2012.12.
3.	KENJI WAKIMIZU, Koji Nishiyama, TAICHI MAKI, YOSHINORI SUZUKI, KIKURO TOMINE, OSAMU MORITA, Seeding Experiment of Liquid Carbon Dioxide for Enhancing Winter-time Precipitation in Saga Prefecture, Northern Kyushu, Japan, American Geophysical Union Fall meeting, 2012.12.

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