Tool to address green roof widespread implementation effect in flood characteristics for water management planning

Tassi, R.; Lorenzini, F.; Allasia, D. G.

doi:10.5194/piahs-370-217-2015

Articles | Volume 370

https://doi.org/10.5194/piahs-370-217-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/piahs-370-217-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 370

11 Jun 2015

| 11 Jun 2015

Tool to address green roof widespread implementation effect in flood characteristics for water management planning

R. Tassi, F. Lorenzini, and D. G. Allasia

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Latest update: 27 Nov 2025

Short summary

This paper shows results related to the monitoring of an extensive green roof (GR), the development of a rainfall-runoff model and the analysis of large-scale impact of GR by modelling different basins. Large-scale modelling (basins ranging from 0.03 ha to several square kilometers) showed that the widespread use of GRs reduced peak flows (volumes) around 57% (48%) at source and 38% (32%) at the basin scale. These findings show that GR is a good option to cope with urbanization impact.