Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 29, issue 14
Articles | Volume 29, issue 14
https://doi.org/10.5194/hess-29-3297-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/hess-29-3297-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 29, issue 14
Research article
 | 
28 Jul 2025
Research article |  | 28 Jul 2025

Impact Webs: a novel conceptual modelling approach for characterising and assessing complex risks

Edward Sparkes, Davide Cotti, Angel Valdiviezo Ajila, Saskia E. Werners, and Michael Hagenlocher

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Short summary
Impact Webs are a conceptual risk modelling tool designed to better understand and characterise complex risks. Understanding the complexity of risks is a key step in reducing and managing disaster risks. This paper outlines the rationale for Impact Webs and the steps for their co-creation and use. Impact Webs allow for an in-depth analysis while accounting for interactions within the systems in which they exist. They can be used to provide guidance for risk management options.
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Methodological innovations for the analysis and management...