Channel morphology changes and their relationship to valley bottom geology and human interventions; a case study from the Vistula Valley in Warsaw, Poland

Falkowski, Tomasz; Ostrowski, Piotr; Siwicki, Piotr; Brach, Michał

doi:10.1016/j.geomorph.2017.09.011

Cited by 30 publications

(25 citation statements)

References 59 publications

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“…Falkowski et al [46] reported that the basement of the contemporary alluvia observed in the research area forms a morphological protrusion composed of glaciotectonically disturbed and uplifted Neogene lacustrine clays and Pleistocene glacial deposits covered by a residual lag composed of glacial gravels and pebbles.…”

Section: Study Areamentioning

confidence: 97%

Morphogenesis of a Floodplain as a Criterion for Assessing the Susceptibility to Water Pollution in an Agriculturally Rich Valley of a Lowland River

Sieczka

Bujakowski

Falkowski

et al. 2018

Water

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This study presents the results of the influence of the specific geological landforms occurring in a lowland river floodplain on the recharge and drainage conditions in an agricultural area. Particular attention has been paid to the presence of the buried erosional channels of flood waters, which may constitute the preferential paths for migration of agricultural contaminants. Moreover, the changes of effective infiltration which affect the hydrogeological regime of the tested area were analyzed. Priority was also given to the use of laboratory techniques in order to determine the parameters influencing the contaminant migration in the soil-water environment for the purpose of hydrogeological modeling. Laboratory tests, based on a column experiment, were performed in a Trautwein apparatus with reference to the constant head procedure, using conservative and reactive markers. The parameters of advection, dispersion, and sorption, obtained in the laboratory experiment were then used as the input data for the hydrodynamic model of groundwater flow and contaminant migration in the research area. Based on the created digital model of groundwater flow, the multi-variant analysis of the effect of specific geological features on the conditions of contaminant transport in a valley was performed. The presented tools and methods contributed to a significant increase in the accuracy of recognizing zones susceptible to water pollution and should be adopted in other valley areas exposed to contamination.

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Section: Study Areamentioning

confidence: 97%

Morphogenesis of a Floodplain as a Criterion for Assessing the Susceptibility to Water Pollution in an Agriculturally Rich Valley of a Lowland River

Sieczka

Bujakowski

Falkowski

et al. 2018

Water

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“…The pressure of the glaciers flowing down the natural depression of the Vistula River valley disturbed deeper plastic strata consisting of Neogene lacustrine clays and Pleistocene glacial deposits. This outcrop of disturbed strata located in the river channel between the river's 516th and 518th km (Figure ) forms a resistant sill, which is additionally covered by residual lag composed of glacial rocks from Quaternary boulder clays (Falkowski & Ostrowski, ; Falkowski, Ostrowski, Siwicki, & Brach, ). Rapids augmented with boulders resting on a clay bed create a serious navigational hazard.…”

Section: Methodsmentioning

confidence: 99%

Section: Methods Used To Reconstruct the Hydraulic Conditions At The Pmentioning

confidence: 99%

“…Additionally, the mineral composition of the recovered sculptures indicates that they were made of marble obtained from Polish and Italian quarries (Kowalski & Wardzyński, 2013). (Falkowski & Ostrowski, 2009;Falkowski, Ostrowski, Siwicki, & Brach, 2017). Rapids augmented with boulders resting on a clay bed create a serious navigational hazard.…”

Section: Methodsmentioning

confidence: 99%

“…Regardless of these efforts, this stretch of the river remains particularly dangerous and troublesome for navigation. Even today, during low flow conditions, passenger ships cruising the Vistula River avoid sailing in this section due to the high risk of running aground and damaging their hulls(Falkowski et al, 2017).Between 1989 and 1991, during works aimed at removing underwater obstacles from the navigation route, close to 3 · 10 3 m 3 of stones were lifted from the river's bottom with dredging reaching a depth of up to 1 m(Kowalski, Kuźniar, & Magnuszewski, 2013). The purpose was to secure navigation route depths of 1.2 to 1.5 m when the water was at medium-low levels.…”

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The application of two‐dimensional hydrodynamic models for underwater archaeological finds from the Vistula River in Warsaw, Poland

Kowalski

Magnuszewski

Radecki‐Pawlik

2018

Hydrological Processes

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Low water levels occurring on the Warsaw section of the Vistula River during droughts in 2012 and 2015 stirred considerable interest by exposing parts of the riverbed. The river's low flow discharge created favourable conditions for archaeologists who, from the river's bottom, managed to salvage sculptures, architectural artefacts, and military accessories dating back to the middle of the 17th century. Literature shows that archaeological finds at the bottom of a major lowland river are unique and are attributed to very specific hydrological and geological conditions. Embankments and works meant to regulate the channel of the Vistula River in Warsaw narrowed the channel and accelerated the erosion of the river's bottom. A comparison of rating curves created between 1919 and 2015 shows that the river's bottom had lowered by 225 cm. The diameter of sediment particles that could be moved at maximum shear stress has been calculated using the Meyer–Peter and Muller formula. According to the calculated shear stress corresponding to the highest historical flood of 1844 particles smaller than 0.05 m were transported down the river, and it is true that artefacts of that size had not been collected at the site. Taking into consideration the very specific geological and hydrological conditions, we believe that finding so many 17th century artefacts with a well‐documented history at a site at the bottom of major lowland river with intensive channel processes is indeed unique. Additionally, it is the first time that results of hydrodynamic modelling have been successfully used for archaeological survey to define the critical shear stress and the smallest diameter of artefacts, which could remain stable on a river's bottom.

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Kayak-based low-cost hydrographic surveying system: A demonstration in high altitude proglacial lake associated with Drang Drung Glacier, Zanskar Himalaya

et al. 2023

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Channel morphology changes and their relationship to valley bottom geology and human interventions; a case study from the Vistula Valley in Warsaw, Poland

Cited by 30 publications

References 59 publications

Morphogenesis of a Floodplain as a Criterion for Assessing the Susceptibility to Water Pollution in an Agriculturally Rich Valley of a Lowland River

Morphogenesis of a Floodplain as a Criterion for Assessing the Susceptibility to Water Pollution in an Agriculturally Rich Valley of a Lowland River

The application of two‐dimensional hydrodynamic models for underwater archaeological finds from the Vistula River in Warsaw, Poland

Kayak-based low-cost hydrographic surveying system: A demonstration in high altitude proglacial lake associated with Drang Drung Glacier, Zanskar Himalaya

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