学会発表（International Conf.）

• 2024 ASA-CSSA-SSSA Annual Meetings, November 10-15, 2024, San Antonio, TX,
  Monitoring and modeling of nitrogen dynamics in paddy fields treated with organic fertilizers
  Tasuku Eigen, Mchuno Alfred Peter, Kaisei Ide, Edifor Raphael, Ami Shimomura, Asaka Murai, Nobuhito Sekiya and Kunio Watanabe
  
  
• PAWEES 2024 International Conference, October 23, 2024, Taichung, Taiwan
  Distribution of Soil Water and Nitrogen during the Growth of Komatsuna
  Riho Moniwa, Kunio Watanabe, Yoshiko Muto
  
  

• 11th International Symposium on Ground Freezing, October 10-12, 2023, Longon, UK
  Observation of ice lensing in directionally frozen soil using a hyperspectral camera
  Kenta Suzuki and Kunio Watanabe
  

• PAWEES 2022 International Conference, Novenber 17, 2022, Fukuoka, Japan
  Nitrogen balance in paddy fields applied with various amount of rice bran in winter
  Tasuku Eigen, Peter Mchuno Alfred, Ami Shimomura, Nobuhito Sekiya, Kunio Watanabe
  
  
• PAWEES 2022 International Conference, Novenber 17, 2022, Fukuoka, Japan
  Effect of soil temperature and rainfall before transplantation on nitrogen dynamics in paddy soils under different organic fertilizer levels
  Kaisei ide, Tasuku Eigen, Nobuhito Sekiya, Kunio Watanabe
  
  
• PAWEES 2022 International Conference, Novenber 17, 2022, Fukuoka, Japan
  Spatial autoregressive analisys of available nitrogen in paddy soils at a farming community level
  Nobuhito Sekiya, Ayaka Mae, Peter Mchuno Alfred, Beno Kiwale Anton, Tasuku Eigen, Masaru Sakai, Kunio Watanabe
  
  
• PAWEES 2022 International Conference, Novenber 17, 2022, Fukuoka, Japan
  Estimation of rice lodging severity and soil available nitrogen in a paddy field based on UAS images
  Nozomi Sato, Nobuhito Sekiya, Yoshihiro Iijima, Takeshi Tsuji, , Kunio Watanabe
  

• 10th Asian Crop Science Association Conference, September 8-10, 2021, Nagoya, Japan
  Nitrogen dynamics in paddy fields under different rice bran levels
  Peter Mchuno Alfred , Tasuku Eigen, Ami Shimomura, Beno Anton Kiwale, Kunio Watanabe, Nobuhito Sekiya
  

• 2019 ASA-CSSA-SSSA Annual Meetings, November 10-13, 2019, San Antonio, TX,
  Observation of water and temperature redistribution in initially frozen sand during intermittent infiltration
  Fumiya Sato and Kunio Watanabe
  
  
• Symposiumu on Freezing and Cold Region Phenomena, Octover 22, 2019, Meiji
  Temperature and water redistribution in a frozen dry soil during infiltration
  Kunio Watanabe and Fumiya Sato
  
  

• International Institute for Conservation of Historic and Artistic Works Congress, September 10-14, 2018, Turin, FL
  Conservation of rock-hewn church of St Nikitas Stylitis (Uzumlu) in Cappadocia, Turkey: environmental assessment and stabilisation of wall paintings as preventive measures
  Yoko Taniguchi, Hatice Temur, Ugur Yalcincaya, Fazil Acikgoz, Murat Gulyaz, Giulia Caveva, Chiemi Iba, Keigo Koizumi, Katsuhiko Sano, Kunio Watanabe
  

• 2017 ASA-CSSA-SSSA Annual Meetings, October 22-25, 2017, Tampa, FL
  Water potential in an unsaturated soil during freezing and thawing processes
  Kunio Watanabe and Toshikazu Ban
  
  
• 2nd Asian Conference on Permafrost, July 2-6, 2017, Sappro
  Unfrozen water potential gradient in a difrectionally freezing and thawing soil
  Kunio Watanabe and Toshikazu Ban
  
  

• 38th International Symposium of Excavations, Surveys and Archaeometry, May 23-27, 2016, Edirne
  Scientific research for conservation of rock-hewn church, Uzumlu (Cappadocia) in 2015: Chapel of niketas the stylite in Red Valley
  Yoko Tanicuthi, Keigo Koizumi, Chiemi Iba, Kunio Watanabe, Katsuhiko Sano, Piao Chunze, Hatic Temur, Ayca Basturkmen, Ugur Yalcinkaya, Mustafa Toptepe
  
  
• CESBP Centaral Europian Symposium on Building Physics and BauSIM, September 14-16, 2016, Dresden
  Effects of water repellent on frost damage in outer walls of rock-hewn hurches in Cappadocia, Turkey
  M. Yoshioka, C. Iba, K. Watanabe, Y. Taniguchi, K. Koizumi, K. Sano, C. Piao
  
  
• 13th International Congress on the Deterioration and Conservation of Stone, September 6-10, Paisley UK
  Environmental monitoring and surface treatment tests for conservation of the rock hewn church of Uzumlu, cappadocia
  C. Iba, Y. Taniguchi, K. Koizumi, K. Watanabe, K. Sano, C. Piao, M. Yoshioka
  

• 2014 ASA-CSSA-SSSA Annual Meetings, November 2-5, 2014, Long Beach, CA.
  Observation of reoxidation and denitrification layers in reduced soil under nitrate infiltration.
  Megumii Takeuchi, Kunio Watanabe and Nobuo Toride
  
  
• 2014 ASA-CSSA-SSSA Annual Meetings, November 2-5, 2014, Long Beach, CA.
  Simultaneous measurement of soil freezing curve and hydraulic conductivity under freezing and thawing processes.
  Yurie Osada and Kunio Watanabe
  
  
• 2014 ASA-CSSA-SSSA Annual Meetings, November 2-5, 2014, Long Beach, CA.
  Estimation of soil freezing curve based on water retention curve measured with a vapor sorption analyzer.
  Kunio Watanabe, Yurie Osada and Nobuo Toride. [Presentation]
  
  
• 20th World Congress of Soil Science, June 8- June 13, 2014, Jeju, Korea.
  Sub-milli observation of reduction and reoxidation of flooded soil with different water flow rate.
  Megumii Takeuchi, Kunio Watanabe and Nobuo Toride
  
  
• 20th World Congress of Soil Science, June 8- June 13, 2014, Jeju, Korea.
  Unfrozen water content of Andisol under different freezing and thawing conditions.
  Yurie Osada and Kunio Watanabe
  

• International Symposium on Seasonal snow and Ice, May 28- June 1, 2012, Lahti, Finland.
  Application of soil physics to modeling the unsaturated hydraulic conductivity of snow cover.
  Satoru Yamaguchi and Kunio Watanabe
  

• 2011 ASA-CSSA-SSSA Annual Meetings, Octorber 16-19, 2011, San Antonio, TX. [Presentation]
  Evaluation of hydraulic properties of a frozen soil based on observed unfrozen water contents at the freezing front.
  Kunio Watanabe, Tetsuya Kito, Nobuo Toride and Martinus Th. van Genuchten
  

• International Symposium on Physics, Chemistry and Mechanics of Snow, June 12-17, 2011, Yuzhno-Sakhalinsk , Russia.
  Dependence of the water retention curve of snow on its characteristics.
  Satoru Yamaguchi, Kunio Watanabe, Takafumi Katsushima, Atsushi Sato and Toshiro Kumakura
  

• International Symposium on Snow, Ice and Humanity in a Changing Climate, June 21-25, 2010, Sapporo
  Directional freezing experiment on unsaturated sand, loam, and silt loam
  Kunio Watanabe, Tetsuya Kito and Tomomi Wake
  

• 2009 ASA-CSSA-SSSA Annual Meetings, November 1-5, 2009, Pittsburgh, PA. [Poster]
  Modeling Coupled Water and Heat Transport in a Freezing Soil Using the Modified HYDRUS-1D Code
  Kunio Watanabe, Tetsuya Kito, Nobuo Toride and Martinus Th. van Genuchten
  

• 9th International Conference on Permafrost, June 29- July 3, 2007, Fairbanks, Alaska.
  Hydraulic Conductivity in Frozen Unsaturated Soil
  Kunio Watanabe and Tomomi Wake
  
  
• 5th International Conference on Interface Against Pollution, June 1-4, 2008, Kyoto.
  Unfrozen water in a bundle of capillaries filled with solution
  Kunio Watanabe
  

• 2007 ASA-CSSA-SSSA Annual Meetings, November 4-8, 2007, New Orleans, LA. [Poster]
  Water flow and hydraulic conductivity in a frozen unsaturated sand
  Kunio Watanabe, Tomomi Wake, Masaru Sakai and Nobuo Toride
  

• 13th international conference on Current practices in cold regions engineering, July 23-26, 2006, Orono, ME.
  Observation of frost heave of THF clathrate hydrate on porous glass powder
  Kunio Watanabe, Yokokawa Kosuke and Muto Yoshiko
  

• 8th International Conference on Permafrost, 21 - 25 July , Zurich, Switzerland
  Spatial and temporal variation in thaw depth in Siberian tundra near Tiksi
  Kunio Watanabe, Hideki Kiyosawa, Kazunari Fukumura, Tadataka Ezaki and Masaru Mizoguchi
  
  
• 2003 ASA-CSSA-SSSA Annual Meetings, Nov. 2-6, Devner, Colorado [Poster]
  T-C Amount in soil aggregates under different pressures following substrate incorporation
  Yoshiko Muto, Kunio Watanabe and Akira Shinjo

• The Fifth International Study Conference on GEWEX in Asia and GAME, Oct., Nagoya, Japan
  Variability of thaw depth depending on surface micro-undulation and vegitation cover in the Siberian tundra
  Kunio Watanabe, Tadataka Ezaki, Kazunari Fukumura, Masaru Mizoguchi and Hideki Kiyosawa
  
  
• The Thirteenth International Conference on Crystal Growth in Conjunction with The Eleventh International Conference on Vapor Growth and Epitaxy (ICCG-13/ICVGE-11) Aug. Kyoto, Japan
  Relationship between growth rate and supercooling in the formation of ice lenses in a glass powder
  Kunio Watanabe
  

• 9th International Symposium on Ground Freezing, Sep., Louvian-La-Neuve, Belgium
  A model for the formation of ice lenses in an unconfined, water-saturated,porous medium concisting of spherical prarticles
  Kunio Watanabe, Yoshiko Muto and Masaru Mizoguchi.
  
  

• 1999 AGU Fall Meeting, Dec., San Francisco, America
  Experimental stdy of Frost Heaving using Glass Particles
  Yoshiko Muto, Kunio Watanabe, Masaru Mizoguchi, Takeshi Ishizaki
  
  
• 3rd international scientific conference on the global energy and water cycle, Jun., Beijing, China
  Classification of Active Layer Soil along a line in Siberian Wetland
  Kunio Watanabe, Masaru Mizoguchi, Norifumi Sato and Yuji Kodama
  
  
• 3rd international scientific conference on the global energy and water cycle, Jun., Beijing, China
  Spatial distribution of active layer on a hillslope in Siberian tundra
  Masaru Mizoguchi, Kunio Watanabe, Kazunari Fukumura and Hideki Kisyosawa
  
  

• 7th International Conference on Permafrost, Jun., Yellowknife, Canada
  Microscopic Observation of Ice Lensing and Frost Heaves in Glass Beads
  Yoshiko Muto, Kunio Watanabe, Takeshi Ishizaki and Masaru Mizoguchi
  
  

• 8th International Symposium on Ground Freezing, May., Lulea, Sweden
  Experimental Study on Microstructure near Freezing Front during Soil Freezing
  Kunio Watanabe, Masaru Mizoguchi, Takeshi Ishizaki and Masami Fukuda
  
  

• Sapporo Conference on the Chemistry of Clays and Clay Minerals, Dec., Sapporo, Japan
  Microscopic Observation of Ice Crystal Growth in Clay
  Kunio Watanabe
  

• Agronomy Abstracts, 248, Seattle, Washington, USA
  A study on behavior of unfrozen interlayer water in clay by MD method
  Masaru Mizoguchi and Kunio Watanabe