Eolian Coastal-Marine Natural Systems in the Kaliningrad Region

Volkova, Irina I.; Shaplygina, T. V.; Belov, Nikolay; Danchenkov, Aleksandr

doi:10.1007/698_2017_96

Cited by 7 publications

(2 citation statements)

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“…Intense wave activity destroys the natural makeup of dune complexes, and turns a significant factor in their development. Seasonal storms observed in the water area of the Southeastern Baltic Russian site regularly cause various damage to the existing dune complexes of the Curonian Spit [Bobykina and Stont, 2015;Ryabkova, 1987;Teplyakov and Boldyrev, 2003]. Washout of the composing material changes their morphology, which boosts various processes [Harley et al, 2016;Labuz, 2014;Sigren et al, 2014;Weymer et al, 2015].…”

Section: Introductionmentioning

confidence: 99%

“…Washout of the composing material changes their morphology, which boosts various processes [Harley et al, 2016;Labuz, 2014;Sigren et al, 2014;Weymer et al, 2015]. The method of terrestrial laser scanning allows us to create a three-dimensional model of the complex relief, which, when compared, provides the basis for assessing the dynamics [Brizi et al, 2015;Montreuil et al, 2004;Szulwic et al, 2015;Volkova et al, 2018]. While the monitoring on the territory of the Curonian Spit on the Baltic Sea was carried out, terrestrial laser scanning was used to assess the condition before and after a series of storm events, which makes it possible to calculate the amount of loss and accumulation of sandy material that occurred as a result of the storm impact, as well as redistribution due to activated gravitational processes.…”

Section: Introductionmentioning

confidence: 99%

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Morphological changes in the beach-foredune system caused by a series of storms. Terrestrial laser scanning evaluation

Danchenkov¹,

Belov²

2019

Russ. J. Earth Sci.

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The shallow sandy shores of the Curonian Spit (the Russian part of the South-Eastern Baltic) are regularly exposed to storm activity. The Spit foredune serves as a barrier to protect ecosystems and settlements from dangerous hydrometeorological phenomena. Consecutive number of storms resulted in intensive erosion of the foredunes as well as in breaking and flooding of the territories. Quantitative assessment of the beach-foredune system was carried out using terrestrial laser scanning technology. The evaluation included pre-storm measurements of the system condition, as well as a series of post-storm assessments in 2014-2016. This allowed us to obtain multi-temporal, highprecision digital models of the coastal topography for further morphodynamic analysis. The foredune experiences the worst slope erosion changes under the cumulative effects of several events. Prolonged exposure to strong winds of open points, wind surge and waves leads to erosion of the beach, losses in morphology and a shortage of sands. As a result, the dissipation of the wave energy decreases, which may cause erosion of the foredune in some upcoming storm events. This shows that the sequence and timing of various storm events play an important role in the variability of the entire system. The use of high-precision distance measurement tools allows to carry out accurate estimates of sand dynamics in the onshore systems. Such assessments provide information on the morphological response to repeated storm events, including variable exposure parameters for taking effective shore protection solutions. KEYWORDS:Terrestrial laser scanning; accumulative coast; foredune; storm impact; series of storms; hazardous hydrometeorological processes.Citation: Danchenkov, A. R. and N. S. Belov (2019), Morphological changes in the beach-foredune system caused by a series of storms. Terrestrial laser scanning evaluation, Russ.

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