Articles | Volume 24, issue 12
https://doi.org/10.5194/hess-24-5781-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-24-5781-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Dec 2020
Research article |
| 03 Dec 2020
| 03 Dec 2020
The value of citizen science for flood risk reduction: cost–benefit analysis of a citizen observatory in the Brenta-Bacchiglione catchment
Michele Ferri
CORRESPONDING AUTHOR
Alto-Adriatico Water Authority/Autorità di bacino distrettuale
delle Alpi orientali (AAWA), Cannaregio 4314, 30121 Venice, Italy
Uta Wehn
IHE Delft Institute for Water Education, Westvest 7, 2611 AX Delft, the Netherlands
Linda See
International Institute for Applied Systems Analysis (IIASA),
Schlossplatz 1, 2361 Laxenburg, Austria
Martina Monego
Alto-Adriatico Water Authority/Autorità di bacino distrettuale
delle Alpi orientali (AAWA), Cannaregio 4314, 30121 Venice, Italy
Steffen Fritz
International Institute for Applied Systems Analysis (IIASA),
Schlossplatz 1, 2361 Laxenburg, Austria
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- Integrating Explicit Dam Release Prediction into Fluvial Forecasting Systems J. Pinho & W. Weber de Melo https://doi.org/10.3390/su172310671
- Flood Hazard and Risk Mapping by Applying an Explainable Machine Learning Framework Using Satellite Imagery and GIS Data G. Antzoulatos et al. https://doi.org/10.3390/su14063251
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- Hydraulic analysis of flash flood events using UAV based topographic data and citizen science in Enkare Narok river basin D. Gitundu et al. https://doi.org/10.1016/j.rsase.2023.100977
- Opening science to society: how to progress societal engagement into (open) science policies U. Wehn et al. https://doi.org/10.1098/rsos.231309
- Mapping social risk areas to floods in Southern Italy: A spatial analysis for local emergency planning and place-based risk reduction policies I. Lapietra et al. https://doi.org/10.1016/j.ijdrr.2025.105666
- Building a flood vulnerability index for urban resilience: Insights from Kelowna, British Columbia M. Kaur et al. https://doi.org/10.1016/j.jum.2025.04.002
- An Improved Fineness Flood Risk Analysis Method Based on Digital Terrain Acquisition Y. Xu et al. https://doi.org/10.1007/s11269-023-03535-8
- Exploring the potential role of citizen science in the warning value chain for high impact weather M. Tan et al. https://doi.org/10.3389/fcomm.2022.949949
- Unveiling social vulnerability to natural hazards in the EEA and UK: A systematic review with insights for enhanced emergency planning and risk reduction I. Lapietra et al. https://doi.org/10.1016/j.ijdrr.2024.104507
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- Citizen science supporting agricultural monitoring with hundreds of low-cost sensors in comparison to remote sensing data C. Corbari et al. https://doi.org/10.1080/22797254.2022.2084643
- The Challenge of Engagement in Citizen Observatories for Flood Risk Management: An In-Depth Qualitative Study of Two Municipalities in the Province of Padua G. Freschi et al. https://doi.org/10.1007/s10935-026-00917-7
- Potential for the complementary and integrative use of citizen science and modern science in flood risk reduction: A case study from Sri Lanka V. Amarakoon et al. https://doi.org/10.1016/j.ijdrr.2024.104331
- Citizen scientists’ engagement in flood risk-related data collection: a case study in Bui River Basin, Vietnam H. Tran et al. https://doi.org/10.1007/s10661-024-12419-2
- A Combined Spatial Investigation of Social Vulnerability and Flood Hazard: A Brief Report on the Metropolitan City of Bari (Southern Italy) I. Lapietra & T. García-Pereiro https://doi.org/10.1007/s40980-025-00141-7
- The role of citizen science mobile apps in facilitating a contemporary digital agora G. Hognogi et al. https://doi.org/10.1057/s41599-023-02358-7
- Water Hardness in the Eye of the Beholder: Exploring Links between Central Softening, Customer Perception and Behavior, and Citizen Science S. Brouwer & D. Bouziotas https://doi.org/10.5334/cstp.452
- Actionable Information in Flood Risk Communications and the Potential for New Web-Based Tools for Long-Term Planning for Individuals and Community R. Mostafiz et al. https://doi.org/10.3389/feart.2022.840250
- Fostering Geoethics in Flood Risk Reduction: Lessons Learned from the EU Project LIFE PRIMES C. Casareale et al. https://doi.org/10.3390/geosciences12030131
- Why do people participate in app-based environment-focused citizen science projects? S. Etter et al. https://doi.org/10.3389/fenvs.2023.1105682
- Filling data gaps using citizen science for flood modeling in urbanized catchment of Akaki A. Alemu et al. https://doi.org/10.1016/j.nhres.2023.05.002
- Flood Risk in Urban Areas: Modelling, Management and Adaptation to Climate Change. A Review L. Cea & P. Costabile https://doi.org/10.3390/hydrology9030050
- Bridging science and society: Developing a citizen science biomonitoring approach for river ecosystems in Italy S. Roccatello et al. https://doi.org/10.1016/j.ecolind.2025.113199
- Community-driven natural hazard and physical vulnerability assessment in a disaster-prone urban neighborhood A. Builes-Jaramillo et al. https://doi.org/10.5194/nhess-25-4451-2025
29 citations as recorded by crossref.
- Austria and Poland under the EU Floods Directive: vulnerability perspectives in flood risk management M. Borowska-Stefańska et al. https://doi.org/10.1080/09654313.2026.2614664
- La co-construction d’un suivi participatif des rivières L. Turcati et al. https://doi.org/10.4000/rac.29103
- Five Years Measuring the Muck: Evaluating Interannual Variability of Nutrient Loads From Tidal Flooding A. Macías-Tapia et al. https://doi.org/10.1007/s12237-023-01245-3
- Integrating Explicit Dam Release Prediction into Fluvial Forecasting Systems J. Pinho & W. Weber de Melo https://doi.org/10.3390/su172310671
- Flood Hazard and Risk Mapping by Applying an Explainable Machine Learning Framework Using Satellite Imagery and GIS Data G. Antzoulatos et al. https://doi.org/10.3390/su14063251
- Impact of urban drainage system malfunctions on pluvial flooding – Peri-urban study site in Austria F. Funke et al. https://doi.org/10.1016/j.ejrh.2025.102592
- Capturing and communicating impact of citizen science for policy: A storytelling approach U. Wehn et al. https://doi.org/10.1016/j.jenvman.2021.113082
- Hydraulic analysis of flash flood events using UAV based topographic data and citizen science in Enkare Narok river basin D. Gitundu et al. https://doi.org/10.1016/j.rsase.2023.100977
- Opening science to society: how to progress societal engagement into (open) science policies U. Wehn et al. https://doi.org/10.1098/rsos.231309
- Mapping social risk areas to floods in Southern Italy: A spatial analysis for local emergency planning and place-based risk reduction policies I. Lapietra et al. https://doi.org/10.1016/j.ijdrr.2025.105666
- Building a flood vulnerability index for urban resilience: Insights from Kelowna, British Columbia M. Kaur et al. https://doi.org/10.1016/j.jum.2025.04.002
- An Improved Fineness Flood Risk Analysis Method Based on Digital Terrain Acquisition Y. Xu et al. https://doi.org/10.1007/s11269-023-03535-8
- Exploring the potential role of citizen science in the warning value chain for high impact weather M. Tan et al. https://doi.org/10.3389/fcomm.2022.949949
- Unveiling social vulnerability to natural hazards in the EEA and UK: A systematic review with insights for enhanced emergency planning and risk reduction I. Lapietra et al. https://doi.org/10.1016/j.ijdrr.2024.104507
- Assessing FAIRness of citizen science data in the context of the Green Deal Data Space V. Lush et al. https://doi.org/10.1080/17538947.2024.2344587
- Citizen science supporting agricultural monitoring with hundreds of low-cost sensors in comparison to remote sensing data C. Corbari et al. https://doi.org/10.1080/22797254.2022.2084643
- The Challenge of Engagement in Citizen Observatories for Flood Risk Management: An In-Depth Qualitative Study of Two Municipalities in the Province of Padua G. Freschi et al. https://doi.org/10.1007/s10935-026-00917-7
- Potential for the complementary and integrative use of citizen science and modern science in flood risk reduction: A case study from Sri Lanka V. Amarakoon et al. https://doi.org/10.1016/j.ijdrr.2024.104331
- Citizen scientists’ engagement in flood risk-related data collection: a case study in Bui River Basin, Vietnam H. Tran et al. https://doi.org/10.1007/s10661-024-12419-2
- A Combined Spatial Investigation of Social Vulnerability and Flood Hazard: A Brief Report on the Metropolitan City of Bari (Southern Italy) I. Lapietra & T. García-Pereiro https://doi.org/10.1007/s40980-025-00141-7
- The role of citizen science mobile apps in facilitating a contemporary digital agora G. Hognogi et al. https://doi.org/10.1057/s41599-023-02358-7
- Water Hardness in the Eye of the Beholder: Exploring Links between Central Softening, Customer Perception and Behavior, and Citizen Science S. Brouwer & D. Bouziotas https://doi.org/10.5334/cstp.452
- Actionable Information in Flood Risk Communications and the Potential for New Web-Based Tools for Long-Term Planning for Individuals and Community R. Mostafiz et al. https://doi.org/10.3389/feart.2022.840250
- Fostering Geoethics in Flood Risk Reduction: Lessons Learned from the EU Project LIFE PRIMES C. Casareale et al. https://doi.org/10.3390/geosciences12030131
- Why do people participate in app-based environment-focused citizen science projects? S. Etter et al. https://doi.org/10.3389/fenvs.2023.1105682
- Filling data gaps using citizen science for flood modeling in urbanized catchment of Akaki A. Alemu et al. https://doi.org/10.1016/j.nhres.2023.05.002
- Flood Risk in Urban Areas: Modelling, Management and Adaptation to Climate Change. A Review L. Cea & P. Costabile https://doi.org/10.3390/hydrology9030050
- Bridging science and society: Developing a citizen science biomonitoring approach for river ecosystems in Italy S. Roccatello et al. https://doi.org/10.1016/j.ecolind.2025.113199
- Community-driven natural hazard and physical vulnerability assessment in a disaster-prone urban neighborhood A. Builes-Jaramillo et al. https://doi.org/10.5194/nhess-25-4451-2025
Saved (final revised paper)
Latest update: 04 Sep 2026
Short summary
As part of the flood risk management strategy of the
Brenta-Bacchiglione catchment (Italy), a citizen observatory for flood risk management is currently being implemented. A cost–benefit analysis of the citizen observatory was undertaken to demonstrate the value of this approach in monetary terms. Results show a reduction in avoided damage of 45 % compared to a scenario without implementation of the citizen observatory. The idea is to promote this methodology for future flood risk management.
As part of the flood risk management strategy of the
Brenta-Bacchiglione catchment (Italy), a...
