March 21, 2024

The 3rd International Alumni Online Seminaron Disaster Prevention and Environment
Date: Saturday, March 23, 2024
Organizer: Disaster Prevention and Mitigation Group (DPMG), Research Center for Local Resilience,Yamaguchi University
Co-organizer: Department of Civil and Environmental Engineering, Faculty of Engineering, Yamaguchi
University, and Glocal Environmental and Disaster Prevention Research Group, Yamaguchi University
Venue: Zoom Meeting
Convener: Koichi Yamamoto, Prof., Department of Civil and Environmental Engineering, Faculty of Engineering,
Yamaguchi University

Program
JST/UTC+9Session Activities

08:00-

Open Zoom Meeting for Speakers

08:40-Open Zoom Meeting for General Participants

08:50-09:00

Opening Remarks
Prof. Motoyuki Suzuki, Director, Disaster Prevention and Mitigation Group, ResearchCenter for Local Resilience (DPMG), Yamaguchi University

09:00-09:50

Invited Lecture“Toward a New Phase of the Timor-Leste National University Support Project”
Prof. Masahiko Sekine, Professor, Department of Civil and Environmental
Engineering, Faculty of Engineering, Yamaguchi University

09:50-10:00

Break

10:00-12:00

Special Session“Recovery Status after the Heavy Rain Disaster in TimorLeste in April 2021”
Facilitator: Prof. Masahiko Sekine, Department of Civil and Environmental
Engineering, Faculty of Engineering, Yamaguchi University“Response of Yamaguchi University to the Flood Disaster in Timor-Leste inApril 2021”
Prof. Koichi Yamamoto, Department of Civil and Environmental Engineering,
Faculty of Engineering, Yamaguchi University“Outline of Flood Disaster in Timor-Leste”
Mr. Kesuke Ujike and Ms. Fonseca Patricia, JICA Timor-Leste Office“Mass Wasting and Flood Risk Mitigation Efforts in the City of Dili, and Existing
Conditions” (video)
Dr. Benjamim Hopffer Martins, Lecturer, Universidae Nacional Timor Lorosa’e,
Timor-Leste“Determination of Causes of the Poor Performance of Timor-Leste’s Roads andProposals for Improvement” (video)
Mr. Hugo Ximenes, Lecturer, Universidae Nacional Timor Lorosa’e, Timor-Leste1

March 21, 2024

“Sedimentation Challenge and Opportunity: Harnessing of Local Sedimentation
for the Construction Material”
Mr. Leandro Madeira Branco, Doctoral Student, Graduate School of Sciences andTechnology for Innovation, Yamaguchi University
12:00-13:00

Break

13:00-14:20

Oral Presentation Session 1
Chair: Assoc. Prof. Shinichiro Nakashima, Department of Civil and Environmental
Engineering, Faculty of Engineering, Yamaguchi University

13:00-13:20 1. “Timor-Leste Deforestation”
Fernandes Abel (Yamaguchi University)
13:20-13:40 2. “Groundwater Pollution in Production Wells of Dili City, Timor-Leste”
Joaninha Belo Ornai (Yamaguchi University)
13:40-14:00 3. “Coagulation Experiment of Peat Extract and Peat Ground Water”
Rozy Pratama and Muhammad Rizki Romadhan (Politeknik Negeri Bengkalis,Indonesia)
14:00-14:20 4. “Concurrent Impacts of COVID-19 and Natural Disasters on Shrimp Enterprisesin the Southwest Coastal Region of Bangladesh”
Md Atikul Islam (Khulna University, Bangladesh)
14:20-14:40

Break

14:40-16:00

Oral Presentation Session 2
Chair: Prof. Takahiro Osawa, Organization for Research Initiatives, Yamaguchi
University

14:40-15:00 5. “Impact of In-Camera Distortion Correction on Systematic Deformation in
Photogrammetry Using Structure from Motion and Unmanned Aerial Vehicle: aCase Study in Constant-Pitch Meandering Flight Design”
Ho Thanh Truc (Yamaguchi University)
15:00-15:20 6. “A Multi-Satellite Approach to Delineating Flood Extent and Land CoverChanges in Dili, Timor-Leste”
Pedro Junior Fernandes (Yamaguchi University)
15:20-15:40 7. “Mapping Flood Prone Areas Based on Geographic Information Systems andAHP (case study: Singaraja, Bali, Indonesia)”
Putu Edi Yastika (Universitas Mahasaraswati Denpasar, Indonesia)
15:40-16:00 8. “Smong and Tsunami Tendenko as Traditional Disaster Prevention inIndonesia and Japan”
Mega Mirasaputri Cahyanti (Yamaguchi University)
16:00-16:05

Closing Remarks
Prof. Koichi Yamamoto, Department of Civil and Environmental Engineering, Facultyof Engineering, Yamaguchi University2