Agricultural production and flood control dry detention reservoirs: Example from Lower Savinja Valley, Slovenia

Glavan, Matjaž; Cvejić, Rozalija; Zupanc, Vesna; Knapič, M.; Pintar, Marina

doi:10.1016/j.envsci.2020.09.012

Cited by 19 publications

(23 citation statements)

References 26 publications

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“…The area upstream of the outlet control section equipped with automatically regulated hydro-mechanical gate is flooded only during flood events (Figure 4). This kind of structures are relatively frequently used in Slovenia to deal with flood risk [51]. The maximum retention volume after the reconstruction is estimated at 450,000 m 3 (flooded area in this case is around 42 ha) [52].…”

Section: Retention Reservoirsmentioning

confidence: 99%

Section: Dry and Wet Retention Reservoirsmentioning

confidence: 99%

“…Thus, it is not always possible to implement such objects that are in most cases positioned on generally flat areas where the flow velocities are smaller compared to hilly areas that have torrential characteristics [58,59]. Dry reservoirs also have an effect on agricultural production, since in most cases the land used to construct the retention volume is used for agricultural purposes [51,52]. More specifically, reservoirs tend to decrease the productive capacity of landscape while having negative effect on soil properties [51].…”

Section: Dry and Wet Retention Reservoirsmentioning

confidence: 99%

“…Dry reservoirs also have an effect on agricultural production, since in most cases the land used to construct the retention volume is used for agricultural purposes [51,52]. More specifically, reservoirs tend to decrease the productive capacity of landscape while having negative effect on soil properties [51]. Additionally, a negative impact on the crop quality and quantity as well as infrastructure such as irrigation equipment can also occur [51].…”

Section: Dry and Wet Retention Reservoirsmentioning

confidence: 99%

“…More specifically, reservoirs tend to decrease the productive capacity of landscape while having negative effect on soil properties [51]. Additionally, a negative impact on the crop quality and quantity as well as infrastructure such as irrigation equipment can also occur [51].…”

Section: Dry and Wet Retention Reservoirsmentioning

confidence: 99%

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Exploring Options for Flood Risk Management with Special Focus on Retention Reservoirs

et al. 2021

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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.

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Section: Retention Reservoirsmentioning

confidence: 99%

Section: Dry and Wet Retention Reservoirsmentioning

confidence: 99%

Section: Dry and Wet Retention Reservoirsmentioning

confidence: 99%

Section: Dry and Wet Retention Reservoirsmentioning

confidence: 99%

Section: Dry and Wet Retention Reservoirsmentioning

confidence: 99%

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Exploring Options for Flood Risk Management with Special Focus on Retention Reservoirs

et al. 2021

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Managing floodplains using nature‐based solutions to support multiple ecosystem functions and services

et al. 2021

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Floodplains include unique environments shaped over a long time horizon along rivers and smaller streams and formed by alluvial sediments. As floodplains are flat, often with highly fertile and well-accessible land, they have become the intrinsic focus of human society-while providing a variety of goods and ecosystem services. Intensive land use of floodplains is degrading their natural values and significantly reducing their ecosystem functions and services. A significant part of these key services is related with the ability of floodplains to retain water and nutrients, which can be understood as a flood control and a water-retention function. Although these ecosystems serve a number of other basic functions, the importance of floodplains as a place for water retention during extreme discharges caused by intense rainfall or snowmelt and the supply of water in times of drought are essential under conditions of global change. In order to increase the ability of floodplains to perform these functions, it is increasingly required to preserve the connectivity of rivers with surrounding floodplains and adapt human activities to maintain and restore river ecosystems. This article reviews the recent understanding of floodplain delineation, the most common causes of disturbance, the ecosystem functions being performed, discussing in turn the measures being considered to mitigate the frequency and magnitude of hydrologic extremes resulting from ongoing environmental changes.

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Flood legislation and land policy framework of EU and non‐EU countries in Southern Europe

et al. 2021

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Floods are a widespread natural hazard affecting people and their assets in regions worldwide, including Southern Europe. Besides coastal floods, the Mediterranean region is highly prone to flash floods driven by short but intense precipitation events. With increasing flood risk due to climate change and socio‐economic conditions, governments are under pressure to reinforce flood protection measures, which could be a great challenge for the weak economies of non‐EU developing countries. This is of particular relevance to achieving international commitments such as the United Nations Sustainable Development Goals. Several policy frameworks have been developed to mitigate flooding risk, at European Union (EU) and global level. These frameworks call for a holistic risk reduction approach where governments, institutions, and households are all responsible for reducing risk. In practice, however, gray infrastructure remains the prevailing flood risk management measure in many countries. Incorporation into national legislation and implementation of the EU policy framework will increase constraints and pressures for non‐EU countries, particularly those strongly committed to becoming EU members in future. This article provides a comprehensive review of policies and measures implemented in four different southern European countries to mitigate flood hazard, and compares governance aspects between EU (Portugal and Slovenia) and non‐EU countries (B&H and Serbia). Understanding governance aspects and the status of flood‐related policy implementation is of critical importance in protecting people and enhancing resilience to climate change impacts. Programs of improvement measures and further integration of sustainable water management with other sectoral policies are required to reduce flood risks. This article is categorized under: Engineering Water > Planning Water Human Water > Water Governance Science of Water > Water Extremes

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Agricultural production and flood control dry detention reservoirs: Example from Lower Savinja Valley, Slovenia

Cited by 19 publications

References 26 publications

Exploring Options for Flood Risk Management with Special Focus on Retention Reservoirs

Exploring Options for Flood Risk Management with Special Focus on Retention Reservoirs

Managing floodplains using nature‐based solutions to support multiple ecosystem functions and services

Flood legislation and land policy framework of EU and non‐EU countries in Southern Europe

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