Research theme for competitive and other funds (19)：
2023 - 2027 Geomorphological study on river basin management focusing on the alluvial channel stability in warm-humid and tectonically active island arc
2019 - 2022 Big Data-supported analysis of Topography and Geology of Tokyo
2019 - 2022 Sediment hazard prediction with high spatial resolution by characterization of the slope failure events triggered by 2018 torrential rainfall in western Japan
2018 - 2021 Active Fault Hazard and Disater Education Learned from 2016 Kumamoto Earthquake
2015 - 2018 Geographical study toward enhancing ability of hazard maps for forecasting disaster and providing emergency information
2014 - 2017 landform classificaton based on geomorphological change in japan island toward natural disaster prevenntion
2012 - 2015 Disaster-geographic Investigation on the 2011 Great East Japan Earthquake, toward Improving Hazard Estimation Method
2011 - 2011 Formation model of alluvial lowlands in Japan toward vulnerability evaluation
2009 - 2011 Geomorphological approach to the location of ancient Khmer capitals and reconstruction of their production system
2008 - 2010 Morphostratigraphic Studies for long term prediction of earthquake activity produced by concealed active faults
2006 - 2008 Disaster-imageable hazard mapping with adequate usage of geographical informations
2004 - 2006 Reconstruction of high-resolution paleogeography in the Plio-Pleistocene
2004 - 2006 Morphostratigraphic Studies in Testing for Characteristic Earthquakes and in Evaluating for Earthquake triggered Ground Movement
2002 - 2003 地形学的手法による大地震の再来間隔の復元と評価に関する研究
2000 - 2001 濃尾平野の埋積地形形成史と第四紀の氷河性海水準変動に関する研究
1998 - 2000 Chronological Studies of Mountain Uplift with the Use of Identification and Correlation of the Widespread Tephra Layers.
Toshihiro YAMADA, Michiko YAJIMA, Toshihiko SUGAI, Toshiyuki SHIMAZU. Reconsidering Geoscience History in Twentieth-Century Japan by Deciphering the Diary: The Geoscientist Mochizuki Katsumi's Life and Work, 1914-1963. Journal of Geography (Chigaku Zasshi). 2023. 132. 3. 217-230
Natsuki Sasaki, Toshihiko Sugai. Mountain Wetland Distributions Controlled by Landforms and Snow Depth at Quaternary Volcanoes in Northeastern Japan: Assessing the Vulnerability of Wetlands to Reduced Snowfall. Wetlands. 2022. 42. 8
Yuichi NIWA, Toshihiko SUGAI. Comparison of Geomorphological Land Classification Maps with Flood Hazard Maps at Hachinohe Plain, Aomori Prefecture. Journal of Geography (Chigaku Zasshi). 2022. 131. 5. 557-563
Hiromi Itamiya, Mugino O Kubo, Ritsuko Sugita, Toshihiko Sugai. New method of structural analysis and measurement of V-shaped percussion cracks in quartz sands surface by confocal laser scanning microscope (CLSM). Micron (Oxford, England : 1993). 2022. 153. 103174-103174
Ida Yoshiyasu, Murayama Tomoko, Kubo Sumiko, Hashimoto Yuichi, Takeuchi Hirokazu, Nakazawa Takashi, Sugai Toshihiko, Yui Yoshimichi. Issues and prospects in geography education after the start of Chiri-sogo (Geography). Proceedings of the General Meeting of the Association of Japanese Geographers. 2022. 2022a. 33
高橋尚志, 須貝俊彦. Landform changes according with the flood in response for 2017 Heavy Rain in Northern Kyushu, and their implications for the fluvial terrace development since the late Pleistocene in the tributaries of the Chikugo River, southwestern Japan. 日本第四紀学会講演要旨集. 2021. 51 (Web)
Niwa Yuichi, Sugai Toshihiko. Estimation of crustal movement style along the Sanriku coast, northeast Japan, on the basis of interregional comparison of distribution of sedimentary facies of alluvial plains. Proceedings of the General Meeting of the Association of Japanese Geographers. 2020. 2020. 0. 102-102
SUGAI TOSHIHIKO. Watershed Management Geomorphology Challenging Against Recurring Large-scale Flood and Sediment Disasters. Proceedings of the General Meeting of the Association of Japanese Geographers. 2020. 2020. 0. 105-105
Miyamoto Tatsuki, Sugai Toshihiko, Kimori Taiga, Komatsu Tetsuya, Nakanishi Toshimichi. Paleogeographical Changes based on Sedimentary facies analysis of drilling cores in the southern part of the Kinugawa lowland, central Japan. Proceedings of the General Meeting of the Association of Japanese Geographers. 2020. 2020. 0. 112-112
日本応用地質学会
, JAPANESE SOCIETY FOR ACTIVE FAULT STUDIES
, TOKYO GEOGRAPHICAL SOCIETY
, JAPANESE GEOMORPHOLOGICAL UNION
, JAPAN ASSOCIATION FOR QUATERNARY RESEARCH
, THE ASSOCIATION JAPANESE GEOGRAPHERS
