Exploring options for flood risk management with special focus on retention reservoirs
ID Bezak, Nejc (Author), ID Kovačević, Martina (Author), ID Johnen, Gregor (Author), ID Lebar, Klaudija (Author), ID Zupanc, Vesna (Author), ID Vidmar, Andrej (Author), ID Rusjan, Simon (Author)

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Floods are among the most frequent and deadliest natural disasters, and the magnitude and frequency of floods is expected to increase. Therefore, the effects of different flood risk management options need to be evaluated. In this study, afforestation, permeable concrete implementation, and the use of dry and wet retention reservoirs were tested as possible options for urban flood risk reduction in a case study involving the Glinščica river catchment (Slovenia). Additionally, the effect of dry and wet reservoirs was investigated at a larger (catchment) scale. Results showed that in the case of afforestation and permeable concrete, large areas are required to achieve notable peak discharge reduction (from a catchment scale point of view). The costs related to the implementation of such measures could be relatively high, and may become even higher than the potential benefits related to the multifunctionality and multi-purpose opportunities of such measures. On the other hand, dry and wet retention reservoirs could provide more significant peak discharge reductions; if appropriate locations are available, such reservoirs could be implemented at acceptable costs for decision makers. However, the results of this study show that reservoir effects quickly reduce with scale. This means that while these measures can have significant local effects, they may have only a minor impact at larger scales. We found that this was also the case for the afforestation and permeable concrete

Keywords:floods / afforestation / green measures / retention reservoirs / hydrological modelling / flood damage model / hydraulic modelling / permeable concrete
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publication status:Published
Publication version:Version of Record
Submitted for review:13.08.2021
Article acceptance date:07.09.2021
Publication date:09.09.2021
Number of pages:[20] str.
Numbering:Letn. 13, št. 18, 10099
PID:20.500.12556/RUL-131846 This link opens in a new window
ISSN on article:2071-1050
DOI:10.3390/su131810099 This link opens in a new window
COBISS.SI-ID:75998467 This link opens in a new window
Publication date in RUL:04.10.2021
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Record is a part of a journal

Shortened title:Sustainability
COBISS.SI-ID:5324897 This link opens in a new window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:09.09.2021

Secondary language

Keywords:poplave / pogozdovanje / zeleni ukrepi / zadrževalniki / hidrološko modeliranje / škodni model / hidravlično modeliranje / drenažni beton


Funder:EC - European Commission
Project number:CA16209
Acronym:COST Land4Flood

Funder:ARRS - Slovenian Research Agency
Project number:P2-0180
Name:Vodarstvo in geotehnika: orodja in metode za analize in simulacije procesov ter razvoj tehnologij.

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