Articles | Volume 21, issue 5
https://doi.org/10.5194/nhess-21-1551-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-21-1551-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
20 May 2021
Research article |
| 20 May 2021
| 20 May 2021
Integrated mapping of water-related disasters using the analytical hierarchy process under land use change and climate change issues in Laos
Sengphrachanh Phakonkham
CORRESPONDING AUTHOR
Department of Environmental Engineering, Faculty of Engineering,
National University of Laos, Lao-Thai Friendship Road, Sisattanak District, Vientiane Prefecture, Laos
So Kazama
Department of Civil Engineering, Tohoku University, Sendai,
980-8579, Japan
Daisuke Komori
Department of Civil Engineering, Tohoku University, Sendai,
980-8579, Japan
Related authors
No articles found.
Hayata Yanagihara, So Kazama, Kei Gomi, Yusuke Hiraga, and Atsuya Ikemoto
EGUsphere, https://doi.org/10.5194/egusphere-2025-5949, https://doi.org/10.5194/egusphere-2025-5949, 2025
This preprint is open for discussion and under review for Natural Hazards and Earth System Sciences (NHESS).
Short summary
Short summary
Flooding can influence population movements. However, most studies of future flood damage costs do not consider these movements. We examined how such movements may change future flood damage costs in Japan. National and prefectural effects were small, but some municipalities showed reductions of more than 10 % in these costs. These results show that considering population movements can improve future flood risk planning.
Vempi Satriya Adi Hendrawan, Adam Pamudji Rahardjo, Hanggar Ganara Mawandha, Edvin Aldrian, Abdul Muhari, and Daisuke Komori
EGUsphere, https://doi.org/10.5194/egusphere-2025-584, https://doi.org/10.5194/egusphere-2025-584, 2025
This preprint is open for discussion and under review for Natural Hazards and Earth System Sciences (NHESS).
Short summary
Short summary
This study reveals that floods dominate the country, followed by landslides, droughts, extreme weather, and wildfires. Climate change has increased extreme rainfall by ~25 %, especially in northern regions (Kalimantan, northern Sumatera, Sulawesi, Papua), and amplified it by ~60 % in drier areas (southern Sumatera, Java, Nusa Tenggara). Further studies on rainfall-induced landslides, flash floods, and Global teleconnections (ENSO, IOD, MJO) intensifying extreme events are needed.
Ke Shi, Yoshiya Touge, and So Kazama
Nat. Hazards Earth Syst. Sci. Discuss., https://doi.org/10.5194/nhess-2020-416, https://doi.org/10.5194/nhess-2020-416, 2021
Preprint withdrawn
Short summary
Short summary
This study is the first to identify homogeneous regions with distinct drought characteristics over Japan and connect the drought in Japan with the global climatic drivers. In particular, two regions with similar drought spatiotemporal characteristics were first identified. Then we found that a lack of soil moisture could increase the risk of severe wildfires in these two regions. Finally, we identified the most significant global climatic drivers affecting these two regions.
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Short summary
The main objective of this study was to propose a new approach to integrating hazard maps to detect hazardous areas on a national scale, for which area-limited data are available. The analytical hierarchy process (AHP) was used as a tool to combine the different hazard maps into an integrated hazard map. The results from integrated hazard maps can identify dangerous areas from both individual and integrated hazards.
The main objective of this study was to propose a new approach to integrating hazard maps to...
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