Simulation of flood progress on the River Gidra

Pindjaková, Tatiana; Kelčík, Stanislav; Šoltész, Andrej

doi:10.1556/606.2016.11.1.3

Cited by 8 publications

(5 citation statements)

References 1 publication

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“…Therefore, flood situations also occur in areas that previously were not affected by these HYDROLOGICAL-HYDRAULIC ASSESSMENT OF FLOOD PROTECTION 99 Pollack Periodica 14, 2019, 3 negative hydrological phenomena (flooding of the rural and the urban areas, cellars of the houses, etc. ), evident from previous solved projects [4]- [6].…”

Section: Methodsmentioning

confidence: 70%

Hydrological-hydraulic assessment of proposed flood protection measures

2019

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Implemented flood protection measures come to a re-evaluation due to changes in the hydrological situation, due to more recently occurring flash floods whose robustness exceeds the capacity of the measures initially proposed. The problem is the structures constructed on the streams as well as the unpermitted house building on the banks, the pollution of the stream or sedimentation. Case study on small catchment with problems of flash floods in the middle Slovakia was solved. Stream channel capacity was not sufficient for higher flow rates; therefore new flood protection measures were proposed (river bed training, low training walls, detention reservoir). Their efficiency was verified via mathematical modeling.

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Section: Methodsmentioning

confidence: 70%

Hydrological-hydraulic assessment of proposed flood protection measures

2019

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“…The importance of detailed information about the characteristics of a rainfall are very important, i.e. an extreme rainfall event [24], [25], [26], [27].…”

Section: Fig 4 the Intensity Of The Net Erosion In The Svacenický Cmentioning

confidence: 99%

An assessment of soil water erosion in the Myjava hill land: The application of a physically-based erosion model

et al. 2018

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The scope of this study is an evaluation of potential soil water erosion using the physically-based erosion model, EROSION-3D. This model is event-based and calculates soil water erosion during an actual measured rainfall event. The calculations of the erosion model take advantage of a digital elevation model, precipitation and soil parameters, which are established in a specific parameter catalogue. The soil water erosion was modeled in two small catchments in the Myjava Hill Land (Slovakia), using 9 soil moisture scenarios and two different crops on arable areas. When considering the last 35 years of rainfall records at the Myjava meteorological station, three storm rainfall events were applied in the modeling. The results were statistically analyzed to figure out the differences between the model's functional possibilities; the modeling under the various scenarios proved a strong interaction between the values of the input factors and the results of the soil erosion.

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“…Pollack Periodica 12, 2017, 2 shaped in the same situation without the obstacles. These fences crossed various streams and resulted in a barrier to the flow during the flood [21]. • These records of the flood wave were related to the confluence of the Gidra and Kamenný streams, so it would be problematic to divide this flood wave into two separate streams so that the progress of the water level past the confluence corresponded to the recording of the water level.…”

Section: Creating a Hec-ras Modelmentioning

confidence: 99%

“…8. Photograph of a bypass and blocked outlet at a detention reservoir [21] Another unusual situation might be the most catastrophic one -a dam break. There is usually more than one cause of the total failure of a structure like this.…”

Section: Modeling Of Unusual Flood Situations At Detention Reservoirsmentioning

confidence: 99%

Flash flood mitigation modeling — case study small Carpathians

Janík¹,

Šoltész²

2017

Pollack Periodica

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Flash floods are becoming a phenomenon that troubles people more and more often in many Slovak under-mountain regions and society needs to deal with these extreme natural events. This article is showing an example of mathematical modeling of flood protection measures in Small Carpathians region. To secure flood protection, detention reservoirs have been proposed, because of their automatic function that is important due to rapid progress of flash floods. As a base for this project a previous work that attempted to reconstruct the flood has been used. HEC-RAS 4.1.0 software package was used for numerical modeling, which includes flood mitigation calculation. Six variants of proposed detention reservoirs were created and checked by a design flood wave that was created according to rainfall with recurrence period of 100 years. All of the proposed detention reservoirs have exact proportions needed to secure flood protection including height of the dam, length of the dam in crest, type and dimension of outlet and dimensions of emergency spillways. The modeling included flood wave passing during several situations-normal function of detention reservoirs, blocked outlet and dam break. This study should be considered as a base for future flood protection project. An extensive terrain survey has been performed in frame of this project.

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Simulation of flood progress on the River Gidra

Cited by 8 publications

References 1 publication

Hydrological-hydraulic assessment of proposed flood protection measures

Hydrological-hydraulic assessment of proposed flood protection measures

An assessment of soil water erosion in the Myjava hill land: The application of a physically-based erosion model

Flash flood mitigation modeling — case study small Carpathians

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