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    Wyświetlanie 1-9 z 9
    Tytuł:
    Linking sea level dynamic and exceptional events to large-scale atmospheric circulation variability: A case of the Seine Bay, France
    Autorzy:
    Turki, I.
    Massei, N.
    Laignel, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/48022.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    sea level
    atmospheric circulation
    variability
    storm surge
    flood risk
    Seine Bay
    France
    Źródło:
    Oceanologia; 2019, 61, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sedimentary evidence of extreme storm surge or tsunami events in the southern Baltic Sea (Rogowo area, NW Poland)
    Autorzy:
    Piotrowski, A.
    Szczuciński, W.
    Sydor, P.
    Kotrys, B.
    Rzodkiewicz, M.
    Krzymińska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060594.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    tsunami deposits
    storm surge deposits
    grain size analysis
    geochemistry
    radiocarbon dating
    Baltic Sea
    Opis:
    The Baltic Sea is not typically considered as an area affected by tsunamis. However, during the Late Pleistocene and Holocene several tsunami events have been interpreted from the sedimentary record, mainly in Sweden and Estonia. Furthermore, on the southern coast of the Baltic Sea, there are historical accounts of catastrophical marine floodings called “der Seebär” (“the Sea Bear”). Their descriptions reveal many features typical for tsunami, but their genesis remained unknown and sedimentary evidence for such events has not been found. Here we provide evidence of sandy event layers from the area of Rogowo, NW Poland – the area of historical catastrophic storms as well as “der Seebär” events. The study area is a low-lying coastal plain with an average elevation of –0.5 to +0.5 m a.s.l., protected from the open sea by beach and coastal dune systems up to 5 m high. Sedimentological, micropalaeontological and geochemical analyses along with AMS 14C dating were applied to sedimentary successions seen in 5 major trenches and 198 sediment cores up to 1.5 m long. Two sandy layers were identified in the peat deposits that developed on the plain during the last ~2000 years. They reveal a number of typical features of tsunami deposits (significant lateral extent and thickness, rip-up clasts, chemical and micropalaeontological evidence of marine origin), however, 14C dating along with the historical accounts revealed that the major layer, extending at least 1.2 km from the modern coasts, was probably deposited by arguably the largest storm surge during the last 2000 years, which took place in 1497 AD. These storm deposits were likely formed during inundation of the low-lying coastal plain after major breaching of coastal dunes resulting in tsunami – like flow pattern and thus similar sedimentological effects. A discontinuous sand layer of younger age (18th century) and sharing similar properties to the previous one may be related to “der Seebär” event or another storm surge. The study revealed that the southern Baltic Sea coast may be affected by much greater coastal flooding than known from more recent accounts and observations. Thus, the presented geological record should be taken as an example of a worst-case scenario in coastal zone risk assessment from natural hazards. These events left sedimentary deposits that resemble tsunami deposits. It is likely that, in similar settings where storm surges cause unidirectional inundation of a coastal plain, it may not be possible to establish whether the resulting deposits were laid down from storms or tsunamis.
    Źródło:
    Geological Quarterly; 2017, 61, 4; 973--986
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Case-Study Modelling Analysis of Hydrodynamics in the Nearshore of the Baltic Sea Forced by Extreme Along-shore Wind in the Case of a Cross-shore Obstacle
    Autorzy:
    Sokolov, A.
    Chubarenko, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/241305.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
    Tematy:
    numerical modeling
    extreme weather
    storm surge
    wind waves
    currents
    protective dam
    Gulf of Finland
    Opis:
    In the current study we use a three-dimensional model with hydrodynamic and spectral wave modules operating in a coupled mode to simulate the response of currents and wind wave fields to winds of 20–25 m/sec offshore of the protective structure of the Saint Petersburg Flood Prevention Facility Complex. The model was calibrated against field data, which allowed us to obtain a tool describing storm situations in the eastern part of the Gulf of Finland with a satisfactory accuracy. The numerical modeling showed that the protective dam did not have a noticeable effect on the levels of stormsurge, significantwave height, or current speed in areas seaward of the dam. The increase in erosion processes on the southern shore of the easternmost part of the Gulf of Finland in recent past has most probably been related to other factors. We found that if a west or south-west wind of at least 25 m/s blows over the Baltic Sea for at least 16 hours, the level of storm surges seaward of the dam may reach 3 or more meters. An artificial strengthening of the coastline and the creation of shore protection structures are recommended.
    Źródło:
    Archives of Hydro-Engineering and Environmental Mechanics; 2018, 65, 3; 163-176
    1231-3726
    Pojawia się w:
    Archives of Hydro-Engineering and Environmental Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Storm surges versus shore erosion: 21 years (2000–2020) of observations on the Świna Gate Sandbar (southern Baltic coast)
    Autorzy:
    Łabuz, Tomasz Arkadiusz
    Powiązania:
    https://bibliotekanauki.pl/articles/15805040.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    storm surge
    sea level
    run-up
    dune erosion
    beach erosion
    sand volume changes
    Baltic Sea
    Opis:
    Based on observations spanning 21 years (2000–2020), the article studies the effects of storm surges on the shore of the Świna Gate Sandbar in the southern part of the Pomeranian Bay (southern Baltic Sea). Impacts of selected maximum storm surges in each year were assessed with respect to morphological data collected on the beach and the foredune. The data included parameters of beach-dune erosion as measured along a beach transect before and after each surge. Differences and trends in the shore erosion were related to the sea level (SL), duration of a storm surge [highest storm sea level (HSL) > 1 m], wind-wave sector and wave run-up. The relationships were explored using a sim- ple correlation analysis. The most serious erosion was observed during the heaviest surges [HSL > 1.3 m above the mean sea level (AMSL)], with a wave run-up higher than 3.2 m AMSL. Such surges occurred at about 2-year intervals. The average SL during a surge was 1.2 m AMSL, with a run-up of 2.6 m AMSL. The beach and the lower part of the shore, below that level, were eroded each year. The heaviest surges resulted in an average 5.2 m and 7.0 m dune retreat on the high-beach-accumulative shore and on the low-beach-erosive shore, respectively. The dune was not eroded when the beach height exceeded the wave run-up. The heaviest surges eroded away 12–14 m3 of the beach sand volume. The shore erosion was found to be related to the storm surge duration, the maximum SL, the run-up and the beach height prior to the surge.
    Źródło:
    Quaestiones Geographicae; 2022, 41, 3; 5-31
    0137-477X
    2081-6383
    Pojawia się w:
    Quaestiones Geographicae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Erosion and its rate on an accumulative Polish dune coast: the effects of the January 2012 storm surge
    Autorzy:
    Labuz, T.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/48033.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    storm surge
    water level
    coastal erosion
    morphological parameter
    Polish dune coast
    biodiversity
    coastal profile
    quantitative analysis
    Źródło:
    Oceanologia; 2014, 56, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Extreme sea levels at selected stations on the Baltic Sea coast
    Autorzy:
    Wolski, T.
    Wisniewski, B.
    Giza, A.
    Kowalewska-Kalkowska, H.
    Boman, H.
    Grabbi-Kaiv, S.
    Hammarklint, T.
    Holfort, J.
    Lydeikaite, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/47831.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Baltic Sea
    Baltic coast
    sea level
    storm surge
    fall
    sea surface
    surface deformation
    wind speed
    wind stress
    Źródło:
    Oceanologia; 2014, 56, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Physical aspects of extreme storm surges and falls on the Polish coast
    Autorzy:
    Wisniewski, B.
    Wolski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/49192.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    atmospheric precipitation
    atmospheric pressure
    deformation
    evaporation
    fall
    meteorological factor
    Polish coast
    sea level
    sea surface
    storm surge
    water density
    water exchange
    wind stress
    wind velocity
    Opis:
    Extreme sea levels – storm-generated surges and falls – on the Polish coast are usually the effects of three components: the volume of water in the southern Baltic (the initial level preceding a given extreme situation), the action of tangential wind stresses in the area (wind directions: whether shore- or seaward; wind velocities; and wind action duration), and the sea surface deformation produced by deep, mesoscale baric lows moving rapidly over the southern and central Baltic that generate the so-called baric wave. Among these factors, the baric wave is particularly important for, i.e. the water cushion underneath the baric depression, moving along the actual atmospheric pressure system over the sea surface.
    Źródło:
    Oceanologia; 2011, 53, (1-TI)
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie metody kopuli do dwuwymiarowej analizy wezbrań sztormowych w profilach wodowskazowych Świnoujście i Kołobrzeg
    Application of copula method in twodimensional storm surges analysis at Świnoujście and at Kołobrzeg
    Autorzy:
    Ciupak, M.
    Rokiciński, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/222629.pdf
    Data publikacji:
    2011
    Wydawca:
    Akademia Marynarki Wojennej. Wydział Dowodzenia i Operacji Morskich
    Tematy:
    metoda kopuli
    wezbrania sztormowe
    profile wodowskazowe
    Świnoujście
    Kołobrzeg
    storm surge
    maximum water level above the filling level
    Bayesian method
    Southern Baltic
    Gaussian copula
    Gumbel-Hougaard copula
    Opis:
    W artykule zastosowano metod. kopuli do dwuwymiarowej analizy wezbra. sztormowych. Wezbrania sztormowe scharakteryzowano dwuwymiarow. zmienn. losow.: maksymalnym poziomem morza ponad nape.nienie w profilach wodowskazowych .winouj.cie PM.WI i Ko.obrzeg PMKOL. Proba losowa zosta.a wyznaczona na podstawie zidentyfikowanych wezbra. sztormowych wzd.u. po.udniowych wybrze.y Ba.tyku w latach 1976.2000. Celem artyku.u by.o znalezienie najlepszego dwuwymiarowego rozk.adu prawdopodobie.stwa badanej zmiennej losowej (PM.WI, PMKOL). Badaniu poddano eliptyczn. kopul. gaussowsk. i archimedesowsk. jednoparametrow. Gumela-Hougaarda. Do badania zgodno.ci kopuli z zaobserwowanymi realizacjami zmiennej losowej (PM.WI, PMKOL) u.yto wspo.czynnika korelacji rang Spearmana. Najlepsz. zgodno.. uzyskano dla kopuli Gumbela-Hougaarda �Ďs = 0,9871.
    The copula method was applied to analyze 2D storm surges. Storm surges were described with 2D variable: the maximum water level above the filling level at Świnoujście PMŚWI and at Kołobrzeg PMKOL. The identified storm surges along of southern Baltic coasts in the period 1976–2000 were used to set the random sample. The aim of this paper is to find the best fit 2D probability distribution of the variable (PMŚWI, PMKOL). Two copula functions: elliptical Gaussian and Archimedean Gumbel-Hougaard copula were investigated. To verify copula conformity with the data observed the non-parametric dependence measure such as Spearman’s ńs was used. The best conformity was recorded for Gumbel-Hougaard copula ńs = 0,9871.
    Źródło:
    Zeszyty Naukowe Akademii Marynarki Wojennej; 2011, R. 52 nr 4 (187), 4 (187); 15-34
    0860-889X
    Pojawia się w:
    Zeszyty Naukowe Akademii Marynarki Wojennej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Charakterystyka sedymentologiczna górnej części warstw szydłóweckich
    Sedimentology of the upper part of the Szydłówek Beds
    Autorzy:
    Vierek, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074594.pdf
    Data publikacji:
    2008
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Góry Świętokrzyskie
    fran
    węglany
    depozyty
    turbidyty
    Holy Cross Mountains
    Frasnian
    carbonates
    storm deposits
    surge-like turbidity flows
    Opis:
    The Givetian to Frasnian boundary interval in the N part of the Kielce region (Holy Cross Mts.) consists of dark-coloured shales, marls and micritic limestones defined as Szydłówek Beds. The upper parts of the Szydłówek Beds are well exposed in the Kostomłoty-Mogiłki and Górno-Józefka quarries. These sections are situated in Kostomłoty transitional facies zone between the shallow-water carbonate platform and the deeper Łysogóry basin. The uppermost parts of the Szydłówek Beds comprise many fine-grained intercalations: laminated calcisiltites, calcarenites, calcirudites and coquinas beds. The shales, marls and micritic limestones are hemipelagic deposits of deep, quiet and oxygen-depleted basin, whereas grained limestones correspond with shallower water and higher energy environment. Laminated calcisiltites and finer calcarenites originated in the environment below storm wave base and are interpreted as surge-like turbidity flows deposits. Thicker calcarenites, calcirudites, and coquinas beds were deposited about storm wave base and are interpreted as tempestites.
    Źródło:
    Przegląd Geologiczny; 2008, 56, 9; 848-856
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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