Planning and Suitability Assessment of Large-scale Nature-based Solutions for Flood-risk Reduction
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2021
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Adverse effects of climate change are increasing around the world and the floods are
posing significant challenges for water managers. With climate projections showing
increased risks of storms and extreme precipitation, the use of traditional measures alone
is no longer an option. Nature-Based Solutions (NBS) offer a suitable alternative to
reduce the risk of flooding and provide multiple benefits. However, planning such
interventions requires careful consideration of various factors and local contexts. The
present paper provides contribution in this direction and it proposes a methodology for
allocation of large-scale NBS using suitability mapping. The methodology was implemented
within the toolboxes of ESRI ArcMap software in order to map suitability for four
types of NBS interventions: floodplain restoration, detention basins, retention ponds, and
river widening. The toolboxes developed were applied to the case study area in Serbia,
i.e., the Tamnava River basin. Flood m...aps were used to determine the volume of
floodwater that needs to be stored for reducing flood risk in the basin and subsequent
downstream areas. The suitability maps produced indicate the potential of the new
methodology and its application as a decision-support tool for selection and allocation
of large-scale NBS.
Ključne reči:
Climate change / Nature-based solutions / Suitability mapping / Flood risk reductionIzvor:
Water Resources Management, 2021, 35, 3063-3081Finansiranje / projekti:
- H2020 776866 RECONECT