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International Affairs Students Current Students Alumni Faculty/Staff Careers--> TOHOKU UNIVERSITYCREATING GLOBAL EXCELLENCE Search 日本語 Contact Tohoku University --> --> About Facts & Figures Facilities Organization Chart History President's Message Top Global University Project Designated National University Global Network Promotional Videos Academics Undergraduate Graduate Courses in English Exchange Programs Summer Programs Double Degree Programs Academic Calendar Syllabus Admissions Undergraduate Admissions Graduate Admissions Fees and Expenses Financial Aid Research Feature Highlights Research Releases University Research News Research Institutes Visitor Research Center Research Profiles Academic Research Staff Campus Life International Support Office IT Services Facilities Dining & Shops Campus Bus Clubs & Circles News University News Research--> Arts & Culture Health & Sports Campus & Community Press Release--> International Visit Alumni Careers Events Exhibits Music Special Event Lecture Alumni--> Map & Directions Campus Maps & Bus--> Facilities Map--> TOHOKUUNIVERSITY About Academics Admissions Research Campus Life News Events International Affairs Students Current Students Alumni Faculty/Staff Promotional Videos Subscribe to our Newsletter Map & Directions Contact Jobs & Vacancies Emergency Information Site Map 日本語 Close Home News Research New Landslide Mapping System Helps Reduce Their Risks and Damage News New Landslide Mapping System Helps Reduce Their Risks and Damage 2021-06-18 Research The rising number of typhoons and incidents of heavy rain across Japan has meant an increase in the occurrence of landslides. In 2018 alone, Japan recorded a total of 3459 landslides. Landslides cause extensive destruction to property and the economy as well as tragically result in the loss of life. Now, a research team has developed a new mapping method that helps identify landslide disaster risks and predict their damage with high accuracy. Associate Professor Shuji Moriguchi from Tohoku University's International Research Institute of Disaster Science (IRIDeS), who led the study, says the development is crucial for disaster risk reduction. "The new method can accurately assess landslide disaster risks across a wide area with high resolution. If put to practical use, it will contribute to a highly accurate evaluation and real time prediction of landslide risks." Landslides happen when rainwater infiltrates a slope over time, resulting in the stability of that slope decreasing until it gives way. The research team generated a model capable of analyzing this process and predicting unstable slopes in real-time. It was based on a Green-Ampt infiltration equation and an infinite slope stability model. The model also took advantage of Geographic Information System (GIS) software. GIS allows for the analysis of spatial and geographic data and for that data to be visually represented using maps. Crucially, these maps can be generated across a wide area. Moriguchi and his team tested their new system on Marumori, a town in southern Miyagi prefecture that was ravaged by landslides during Typhoon Hagibis in October 2019. Their numerical simulations aligned closely to the actual damage, indicating that the model can be applied to real landslides. News in Japanese Link: DOI:10.1007/s10346-020-01617-x Contact: Shuji MoriguchiInternational Research Institute of Disaster Science, Tohoku UniversityEmail: s_moriirides.tohoku.ac.jpWebsite: https://irides.tohoku.ac.jp/eng/organization/moriguchi_shuji.html Category University News Research Arts & Culture Health & Sports Campus & Community International Visits Alumni Careers COVID-19 Archives 2014&＃24180; 2015&＃24180; 2016&＃24180; 2017&＃24180; 2018&＃24180; 2019&＃24180; 2020&＃24180; 2021&＃24180; 2022&＃24180; 2023&＃24180; 2024&＃24180; Recent News 2024-04-10 University News Tohoku University&＃039;s New President Meets the Media 2024-04-10 Careers Recruitment Notice: Associate Professor 2024-04-03 University News Tohoku University Entrance Ceremony, Spring 2024 2024-04-02 Careers Recruitment Notice: Assistant Professor 2024-04-01 University News In Conversation with Hideo Ohno Archives Page Top About Tohoku University Academics Admissions Research Campus Life News Events International Affairs Students Alumni Promotional Videos Subscribe to our Newsletter Map & Directions Contact Tohoku University Jobs & Vacancies Emergency Information Site Map Privacy Policy Media Enquiries Parent & Family Support Public Facilities Contact Tohoku University