Articles | Volume 8, issue 4
https://doi.org/10.5194/gc-8-237-2025
https://doi.org/10.5194/gc-8-237-2025
Research article
 | 
01 Oct 2025
Research article |  | 01 Oct 2025

The value of visualization in improving compound flood hazard communication: a complementary perspective through a Euclidean geometry lens

Soheil Radfar, Georgios Boumis, Hamed R. Moftakhari, Wanyun Shao, Larisa Lee, and Alison N. Rellinger

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This preprint is open for discussion and under review for Hydrology and Earth System Sciences (HESS).
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Cited articles

Atasoy, G., Ertaymaz, U., Dikmen, I., and Talat Birgonul, M.: Empowering risk communication: Use of visualizations to describe project risks, J. Construct. Eng. Manage., 148, 04022015, https://doi.org/10.1061/(ASCE)CO.1943-7862.0002265, 2022. 
Auermuller, L.: Coastal Hazards Risk Communication: A Technical Assistance Transfer Project within the National Estuarine Research Reserve System, NOAA Office for Coastal Management, https://nerrssciencecollaborative.org/project/Auermuller17 (last access: 4 May 2025), 2019. 
Bevacqua, E., Vousdoukas, M. I., Zappa, G., Hodges, K., Shepherd, T. G., Maraun, D., Mentaschi, L., and Feyen, L.: More meteorological events that drive compound coastal flooding are projected under climate change, Commun. Earth Environ., 1, 47, https://doi.org/10.1038/s43247-020-00044-z, 2020. 
Borgo, R., Kehrer, J., Chung, D. H., Maguire, E., Laramee, R. S., Hauser, H., Ward, M., and Chen, M.: Glyph-based Visualization: Foundations, Design Guidelines, Techniques and Applications, Eurographics (state of the art reports), 39–63, https://doi.org/10.2312/conf/EG2013/stars/039-063, 2013. 
Boumis, G., Moftakhari, H. R., Lee, D., and Moradkhani, H.: In search of non-stationary dependence between estuarine river discharge and storm surge based on large-scale climate teleconnections, Adv. Water Resour., 195, 104858, https://doi.org/10.1016/j.advwatres.2025.104858, 2025. 
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Short summary
Our study presents a method to visualize how variations in the relationship of flood drivers like discharge and surge evolve over time. This method simplifies complex relationships, making it easier to understand evolving flood risks, especially as climate change increases these threats. By surveying a diverse group, we found that this visual approach could improve communication between scientists and non-experts, helping communities better prepare for compound flooding in a changing climate.
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