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    Wyświetlanie 1-4 z 4
    Tytuł:
    Characteristics of cyclones causing extreme sea levels in the Northern Baltic Sea
    Autorzy:
    Post, P.
    Kouts, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/48261.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Baltic Sea
    sea level
    cyclone
    trajectory
    atmospheric condition
    environmental hazard
    extreme storm
    analysis
    Źródło:
    Oceanologia; 2014, 56, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Statistical analysis of Mediterranean coastal storms
    Autorzy:
    Martzikos, N.T.
    Prinos, P.E.
    Memos, C.D.
    Tsoukala, V.K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2079010.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Mediterranean Sea
    storm
    extreme event
    coastal zone
    statistical analysis
    Opis:
    Coastal storms as extreme hydrometeorological events have severe impacts on the coasts and consequently affect the coastal communities, attracting considerable research interest nowadays. Attempting to understand the risk of these extreme events, a coastal storm analysis is accomplished by studying the parameters which define a coastal storm and their properties, such as the wave height, the wave period, the duration, the calm period, and the storm energy. The frequency of occurrence of coastal storms, the thresholds of storm parameters and the way they are interrelating with each other draw a rough outline of wave climate during coastal storm events for a specific location. This information is valuable afterwards for the design of coastal structures and the coastal zone management. In this work, buoy datasets from 30 locations in the Mediterranean Sea are analysed for describing coastal storm activity. A sample of 4008 coastal storms is identified. Each location faces around 10—14 coastal storms per year, with most of them to occur in winter months and their characteristics to be sitedependent. Their average duration is lower than 30 hours, and 25% of them are consecutive events which hit the same location in less than a day. Furthermore, the wave period and the main direction present no remarkable fluctuations during a coastal storm. With this analysis, a deeper understanding of coastal storm severity is pursued, gaining knowledge about their past activity, in order to be prepared in the future and to protect the coastal areas.
    Źródło:
    Oceanologia; 2021, 63, 1; 133-148
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Conditions and rate of extreme dunes abrasion at the Pomeranian Bay
    Autorzy:
    Tylkowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/295130.pdf
    Data publikacji:
    2014
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    abrasion of dunes
    extreme geomorphological events
    Baltic Sea coast
    storm surges
    atmospheric circulation
    Opis:
    This paper presents the temporal and spatial variability of the abrasion dynamics of the dunes located on the coast of the Southern Baltic Sea within the Polish section of the Pomeranian Bay between 1986 and 2008. The study presents long-term tendencies and daily dynamics of coastal dunes abrasion, being the consequence of intensive storm surges. Systematic, quantitative measurements of the abrasion of dunes were performed by the Maritime Offices in Szczecin, Słupsk and Gdynia within the sections of the dune coast most severely affected by abrasion. To determine the origin of the abrasion of dunes, the key hydro-meteorological conditions that determine the geomorphological changes of coastal sea areas, such as types of atmospheric circulation and the maximal sea levels during storm surges, were reviewed. The study also shows the maximal sea level thresholds that can determine the potential dynamics of coastal dunes abrasion at the Pomeranian Bay.
    Źródło:
    Landform Analysis; 2014, 27; 45-54
    1429-799X
    Pojawia się w:
    Landform Analysis
    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
      Wyświetlanie 1-4 z 4

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