Sediment Transport in Specific Areasof Volga-Caspian Shipping Canal

Krivitskiy, S. V.; Arkhipov, B. V.; Solbakov, V. V.; Solov’ev, M. B.

doi:10.22227/1997-0935.2013.6.177-188

Cited by 2 publications

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“…The maxima occurred in the middle of March, when the water area became free of ice and also at the end of the year. The results obtained in the present study correlate well with similar modeling-based sedimentation assessment made for the Volga-Caspian channel in [4] where the sedimentation intensity equal to 1.14 m/year was reported after a year of external forcing.…”

Section: Resultssupporting

confidence: 90%

“…Therefore, the model results in the present study are expected to somewhat overestimate the SSC and the change of sediment layer thickness in the very shallow coastal zone and to underestimate these quantities in deeper areas. Still, the use of the spatially homogeneous distribution of sediment mixture consisting of several different sediment fractions showed its good applicability in an analogous modeling-based assessment of sediment transport in the Volga-Caspian Shipping Channel [4] characterized by similar conditions (shallow depth, seasonal presence of ice cover, events of harsh meteorological conditions, different fractions of bottom sediments, absence of tides but presence of seiches and storm surges).…”

Section: Lithodynamic Model and Field Measurementsmentioning

confidence: 99%

“…To date, a large number of works aimed on the assessment of sedimentation and sediment transport in different areas of the oceans using various approaches and techniques have been carried out and published. For example, in the work [4] the estimate of sedimentation in different sections of the Volga-Caspian sea navigation channel was made by means of numerical modeling, and several protection methods were considered. The obtained results showed good applicability of numerical models in estimating and predicting the intensity of sedimentation process in the Volga-Caspian channel under different external forcing.…”

Section: Introductionmentioning

confidence: 99%

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Modeling of Sediment Transport in Bothnian Bay in the Vicinity of the Nuclear Power Plant ‘Hanhikivi-1’ Construction Site

Martyanov

Dvornikov

Ryabchenko

et al. 2019

JMSE

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The intensity of sediment resuspension and sedimentation in the eastern part of the Bothnian Bay near the Hanhikivi cape, where the nuclear power plant 'Hanhikivi-1' will be constructed, has been assessed for the first time by means of numerical modeling under the realistic external forcing that occurred in 2014. A brief description of a coupled modeling system used in the study is given. The results of local resuspension intensity and sediment accumulation rates for one-year model run are presented. It has been determined that the main areas of sediment accumulation are located along the northern coast off the Hanhikivi peninsula and in the shallow region situated to the north-east off the cape. Sedimentation rates in the navigation channel have also been estimated. Model results obtained for 2014 suggest that sedimentation in the seaward part of the channel is absent, while sediment accumulation intensity is about 10 cm/year in the middle part of the channel and 70 cm/year in the coastal part. A temporal variability of the sedimentation rates during the year has been emphasized.

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Section: Resultssupporting

confidence: 90%

Section: Lithodynamic Model and Field Measurementsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Modeling of Sediment Transport in Bothnian Bay in the Vicinity of the Nuclear Power Plant ‘Hanhikivi-1’ Construction Site

Martyanov

Dvornikov

Ryabchenko

et al. 2019

JMSE

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Using nested grids to simulate sediment transport in the Caspian Sea with account taken of global and local scales

et al. 2022

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Introduction. The paper provides information on hydrodynamic and lithodynamic characteristics of processes in the Caspian Sea. A description of applied hydrodynamic models is presented. The numerical simulation of circulation, wave and lithodynamic conditions in the waters of the Northern Caspian Sea, middle and southern parts of the Caspian Sea was first conducted using composite computational grids. Simulated sediment transport results are presented. Results of numerical calculations of sediment accumulations in the second sweep of the Volga-Caspian canal are discussed. Materials and methods. Numerical modeling of coastal wave and hydrodynamic processes is performed using the Delft3d morphodynamic computer model. The Delft3D wave module includes a SWAN (Simulating Waves Nearshore) model for calculating the propagation and generation of waves. The hydrodynamic flow is simulated using the FLOW module, that solves non-stationary hydrodynamic equations and has a sediment transfer unit. Results. Computational grids are generated; they have a large step equal to 5,000 m. One grid is built for the middle and southern parts of the Caspian Sea and the other is made for the Northern Caspian; the grid step is equal to 1,000 m. The height and direction of significant waves in the Northern Caspian are provided. Sediment flows, averaged over 210 days in the SC, are provided. The authors also provide graphs of cumulative accumulation/erosion in the second sweep of the Volga-Caspian canal. Conclusions. The authors show that the average yearly shore-parallel sediment flow in the area of the marine edge of the Volga river delta has a southwesterly direction, and an estimate of its magnitude is provided. An assessment of sediment accumulation in the Volga-Caspian canal is made, and its results are compared with the data obtained in the course of dredging works.

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Sediment Transport in Specific Areasof Volga-Caspian Shipping Canal

Cited by 2 publications

References 0 publications

Modeling of Sediment Transport in Bothnian Bay in the Vicinity of the Nuclear Power Plant ‘Hanhikivi-1’ Construction Site

Modeling of Sediment Transport in Bothnian Bay in the Vicinity of the Nuclear Power Plant ‘Hanhikivi-1’ Construction Site

Using nested grids to simulate sediment transport in the Caspian Sea with account taken of global and local scales

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