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Wyszukujesz frazę "grain transport" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Hydrodynamics and Lithodynamics of Dissipative and Reflective Shores in View of Field Investigations
Autorzy:
Ostrowski, R.
Pruszak, Z.
Skaja, M.
Szmytkiewicz, M.
Trifonova, E.
Keremedchiev, S.
Andreeva, N.
Powiązania:
https://bibliotekanauki.pl/articles/241380.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
cross-shore profile
waves
currents
grain size distributions
sediment transport
Opis:
The paper presents a comparative analysis of physical processes occurring at two different coasts, which belong to two different European seas. The first coast under examination comprises the sandy shore nearby Lubiatowo, located at the south Baltic Sea in Poland. The second site is represented by the sandy coast in Shkorpilovtsi, located at the west Black Sea in Bulgaria. Both sites are equipped with field research facilities ensuring extensive and precise in situ investigations. The study is focused on differences and similarities of hydro- and lithodynamics as well as the nearshore morphology between the above coastal zones. The present analysis is based on the results of the field campaigns carried out in recent years at the research facilities in Lubiatowo and Shkorpilovtsi. Considering the way in which wave energy transforms on the cross-shore profile, the sea shore at Lubiatowo is found distinctly dissipative while the shore at RB Shkorpilovtsi has a reflective character. This fact implies some differences in the features of wave-current motion and sediment transport.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2010, 57, 3-4; 199-218
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sediment transport beyond the surf zone under waves and currents of the non-tidal sea: Lubiatowo (Poland) case study
Autorzy:
Ostrowski, R.
Stella, M.
Powiązania:
https://bibliotekanauki.pl/articles/241109.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
wave-induced nearbed oscillations
sea currents
wind-driven current
sand grain diameter
bed shear stress
friction velocity
sediment transport
Opis:
The paper deals with the sandy coastal zone at Lubiatowo in Poland (the south Baltic Sea). The study comprises experimental and theoretical investigations of hydrodynamic and lithodynamic processes in the coastal region located close to the seaward boundary of the surf zone and beyond the surf zone. The analysis is based on field data collected at the IBW PAN Coastal Research Station in Lubiatowo. The data consist of wind velocity reconstructed from the long-term wave climate, deep-water wave buoy records and sea bottom soil parameters. Nearbed flow velocities induced by waves and currents, as well as bed shear stresses are theoretically modelled for various conditions to determine sediment motion regimes in the considered area. The paper discusses the possibility of occasional intensive sediment transport and the occurrence of distinct sea bed changes at bigger water depths.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2016, 63, 1; 63-77
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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