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Wyszukujesz frazę "Baltic shore" wg kryterium: Temat


Wyświetlanie 1-13 z 13
Tytuł:
A quasi phase-resolving model of net sand transport and short-term cross-shore profile evolution
Autorzy:
Ostrowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/48565.pdf
Data publikacji:
2003
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
coastal zone
hydrodynamics
wave-current condition
cross-shore profile
Baltic Sea
evolution
modelling
sand transport
sediment transport
hydrodynamic impact
Opis:
A way of modelling of the net sediment transport rate on a cross-shore profile and the resulting sea bed changes is presented. In the sediment transport computations, a three-layer model with a description of the bedload based on the water-soil mixture theory by Kaczmarek& Ostrowski (1998, 2002) is used. The modelling system is applied to wave-current conditions variable over the cross-shore profile, and determined using the computational frameworkof Szmytkiewicz (2002a, b). The sediment transport module incorporates the asymmetric wave approaches as proposed by Ostrowski (2002). Model simulations have been produced for uniformly sloped and multi-bar initial cross-shore profiles. Some of the model results are compared with the IBW PAN (Institute of Hydroengineering of the Polish Academy of Sciences) field data collected at the Coastal Research Station in Lubiatowo.
Źródło:
Oceanologia; 2003, 45, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Deans curve to investigation of a long-term evolution of the Southern Baltic multi-bar shore profile
Autorzy:
Cerkowniak, G.R.
Ostrowski, R.
Pruszak, Z.
Powiązania:
https://bibliotekanauki.pl/articles/48611.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
cross-shore profile
Baltic Sea
shoreline
migration
Dean's curve
long-term evolution
Lubiatowo
Opis:
The paper presents the results of studies on the long-term evolution of the multi-bar cross-shore profiles. The analysis is focused on time-dependent variability of shoreline position, a modified parameter A of the conventional Dean's equation and a parameter F describing the amount of nearshore sediment resources in the multi-bar cross-shore profile. The study also deals with interrelationships between these quantities. The analysis is carried out using field data collected at Lubiatowo, Poland, on the dissipative shore, representative for the south Baltic. The considered coastal segment is found to be stable in the long-term scale. The results of analysis show that the parameter A can either increase or decrease together with the shoreline advance. It is concluded that the shoreline position change is a parameter unsatisfactorily representative for behaviour of the seashore. The use of the Dean's approximation for estimation of the sediment resources F on the multi-bar seashore profiles is found reasonable to eliminate the effects of peculiarities of such shores.
Źródło:
Oceanologia; 2017, 59, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Budowa geologiczna i glacitektonika klifu orłowskiego w Gdyni
Geology and glaciotectonics of the Orłowo Cliff in Gdynia, northern Poland
Autorzy:
Kaulbarsz, D.
Powiązania:
https://bibliotekanauki.pl/articles/2074343.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Klif orłowski
analiza strukturalna
deformacja glacitektoniczna
geneza glin zwałowych
zlodowacenie Wisły
zlodowacenie Odry
stadiał świecia
Orłowo Cliff
Baltic shore
glaciotectonic deformations
structural analysis
Odranian Glaciation
Warthanian Glaciation
Vistulian glaciation
Świecie Stadial
Main Stadial
Opis:
The Orłowo Cliff is built of glacial and fluvioglacial deposits, Middle Polish Glaciations (possibly Odranian and Warthanian) and Vistulian Glaciation. Deposits are heavily deformed glaciotectonically. In the northern part of the cliff, Miocene sediments are exposed. It is possible, that the Miocene sediments were dislo-cated from their primary position. There were observed overthrusts and intermingling with Pleistocene material in the lower part of the exposure. The Orłowo Headland is built of glacial tills. It is probably a part of fold, similar in pattern to the structure of overthrust folds present in silty-sandy-grained deposits in the southern part of the cliff. Apart from folds and overthrusts there are many faults and the boudinage. Structural analysis of glaciotectonic deformations in conjunction with origin of deposits and statigraphic research enabled the recognition of several stages of development of deformations. Two local directions of glaciotectonic transport were marked clearly: from the north-east, which was connected with glacier invasion in the OEwiecie Stadial of the Vistulian Glaciation, and direction from north-west (north north-west), related to the Main Stadial of the Vistulian Glaciation.
Źródło:
Przegląd Geologiczny; 2005, 53, 7; 572--581
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Condition of South-Eastern Baltic Sea Shores and Methods of Protecting Them
Autorzy:
Ostrowski, R.
Pruszak, Z.
Babakov, A.
Powiązania:
https://bibliotekanauki.pl/articles/241406.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
South-Eastern Baltic coast
dynamics of cliffs and beach/dune shores
anthropogenic impacts
shore protection against erosion
Opis:
The paper describes lithodynamic and morphodynamic processes occurring in the main part of the south-eastern Baltic coastal area, namely on the sea shores from the Vistula mouth in the Gulf of Gdansk to the Lithuanian-Latvian border. The study area is subject to intensive natural coastal changes, as well as shore evolution caused by anthropogenic impacts at several locations. Methods of coastal protection against erosion and shore stabilization systems applied in the past and currently are described. The paper deals with the causes of the dynamics of beach/dune shores and cliffs. It presents the authors’ field observations of 2010-2013, as well as previously gained knowledge and the results of Polish, Russian and joint Polish-Russian field surveys.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2014, 61, 1-2; 17-37
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ice thrusts and piles on the shores of the Southern Baltic Sea coast (Poland) lagoons
Nasunięcia i spiętrzenia lodowe na brzegach zalewów polskiego wybrzeża Bałtyku
Autorzy:
Girjatowicz, J.P.
Powiązania:
https://bibliotekanauki.pl/articles/84907.pdf
Data publikacji:
2004
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
ice thrust
ice pile
shore
Southern Baltic Sea
coastal zone
Polska
lagoon
Szczecin Lagoon
Vistula Lagoon
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2004, 08
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Materials to the lichen biota of Western Pomerania (northern Poland). Part 3. Lichens along the shore of the Baltic Sea
Autorzy:
Fałtynowicz, W.
Powiązania:
https://bibliotekanauki.pl/articles/2130308.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
lichens
Baltic Sea shore
Western Pomerania
northern Poland
Opis:
Lichens of the Baltic coast are strongly endangered, mainly as a result of high tourist pressure. At the same time, this area is poorly penetrated by lichenologists. The paper contains a list of 211 lichen species collected during last several dozen years, mainly by author, and also by a few lichenologists, along the Polish shore of the Baltic Sea.
Źródło:
Steciana; 2018, 22, 4; 143-152
1689-653X
Pojawia się w:
Steciana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morpholithodynamic properties of the shore zone on the Coast of Szczecin
Autorzy:
Racinowski, R.
Pozlewicz, A.
Seul, C.
Powiązania:
https://bibliotekanauki.pl/articles/241095.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
Tematy:
morpholithodynamic properties
shore zone
Baltic Sea
Coast of Szczecin
Opis:
The paper deals with the southern part of the Baltic Sea shore zone, calIed the Coast of Szczecin, from the morpholithodynamical point of view. The coastal zone is divided into three types, namely coast, shore and nearshore. The morphodynamic character of the shore is presented in distinguished cliff and sandbar-dune areas. Further, lithological properties of the shore zone sediments are discussed. FinalIy an attempt of both qualitative and quantitative estimation of sediment supply to the nearshore zone is described, as are the natural conditions affecting its further transportation.
Źródło:
Archives of Hydro-Engineering and Environmental Mechanics; 2001, 48, 3; 95-110
1231-3726
Pojawia się w:
Archives of Hydro-Engineering and Environmental Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Motion of water and sediment due to non-breaking waves in the swash zone
Autorzy:
Kapinski, J.
Ostrowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/48514.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
water motion
sediment
non-breaking wave
flow velocity
sediment transport
spatial variability
sandy shore
swash zone
Baltic Sea
shear stress
Opis:
A long wave run-up theory is applied to the modelling of wave-induced flow velocities, sediment transport rates and bottom changes in a swash zone. First, the properties of the water tongue motion and the resulting lithodynamic response are analysed theoretically. Next, an attempt is made to run the model for the natural conditions encountered on the southern Baltic Sea coast. The Lagrangian swash velocities are used to determine the Eulerian phase-resolved bed shear stresses with a momentum integral method, after which the motion of sand is described by the use of a two-layer model, comprising bedload and nearbed suspended load. Seabed evolution is then found from the spatial variability of the net sediment transport rates. The results presented are limited to cases of the small-amplitude waves that seem to be responsible for accretion on beaches.
Źródło:
Oceanologia; 2012, 54, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Niełatwa archeologia klifów – przypadek stanowisk w Bagiczu
Uneasy archaeology of the cliffs – Bagicz sites examples
Autorzy:
Chmiel-Chrzanowska, Marta
Powiązania:
https://bibliotekanauki.pl/articles/1023854.pdf
Data publikacji:
2019-09-16
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Cliffs
archaeological sites
Southern Baltic Sea shore
Opis:
The following paper presents the problem of archaeological sites located on cliffs on the Southern Baltic Sea shore. This article discusses issues related to a necessity of solving the problem of this kind of research, related to methodological, as well as documentation and preservation standards based on preliminary results of the project conducted in Bagicz area (Ustronie Morskie commune). In this region four new structures were noted on a cliff surface. The key to understand the situation of archaeological sites located on a cliff areas is the knowledge of the processes related to their formation and activity. All of them have a huge impact for the state of preservation of the cliff, however they have various intensity level depending on the part of the Baltic Coast.
Źródło:
Folia Praehistorica Posnaniensia; 2018, 23; 9-22
0239-8524
2450-5846
Pojawia się w:
Folia Praehistorica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spring development of hydrolittoral rock shore communities on wave-exposed and sheltered sites in the Northern Baltic proper
Autorzy:
Eriksson Wiklund, A.-K.
Malm, T.
Honkakangas, J.
Eklund, B.
Powiązania:
https://bibliotekanauki.pl/articles/48999.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
spring development
Baltic Sea
community structure
diversity
development
filamentous alga
macroinvertebrate
macroalga
biomass
intertidal zonation
rocky shore
dynamic environment
alga
Opis:
Spring development in the hydrolittoral zone was investigated at five wave-sheltered and five wave-exposed sites on four occasions from late March to late May (every third week). The number of species was higher at the sheltered locations and increased significantly over time. The difference in community structure was significant: over 95% of the Bray-Curtis dissimilarities were due to the biomass of only eleven taxa, and the total Bray-Curtis dissimilarity between exposed and sheltered sites was 75%. Macroalgae made up 70–80% of the total biomass and was dominated by filamentous species. In contrast to previous studies, macroalgal biomass was higher at the exposed sites, which may be due to the fact that this was a spring study, unlike previous studies, which were conducted during summer.
Źródło:
Oceanologia; 2012, 54, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The determination of times of transhipment processes at maritime container terminals
Autorzy:
Bartosiewicz, A.
Kucharski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2211919.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
container vessel
transhipment process
container terminal
maritime container transportation
maritime container terminal
ship-to-Shore
rubber-tyred gantr
Baltic Container Terminal
Gdynia
Opis:
Nowadays managers and decision-makers around the world seek every opportunity to lower costs of the ship’s mooring time at seaports. In this article, main operations taking place at maritime container terminals are first disaggregated in several elementary activities. Then the vessel cycle time is analysed while separately investigating the STS (Ship to Shore) crane cycle time, the RTG (Rubber-Tyred Gantry) crane work cycle time and the IMV (Internal Movement Vehicle) transfer time. A triangular distribution describes times of each of the container handling stages while the PERT (Program Evaluation and Review Technique) method is used to estimate the total time for all reloading activities. The paper demonstrates the proposed method effectiveness with data of Baltic Container Terminal (BCT) Gdynia. The use of formulas developed for the calculation of times of individual operations that affect the reloading of a container at maritime container terminals enables an in-depth assessment of the effectiveness of the reloading processes. Thus, the proposed tool gives terminal managers opportunity to track which stage of the container reloading consumes most time and generates biggest costs.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 3; 507--513
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of the day by day beach monitoring in shore transformation
Autorzy:
Wodzinowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/1187368.pdf
Data publikacji:
2004
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
orthogonal photograms
shore zone
Polish Baltic Sea coast
Opis:
The new method of a detailed morphodynamic registration of sandy beaches has been presented. The digital oriented photograms have been taken from a stabilised point at least once a day. Occasionally also more often, for example every hour during a storm cycle. The analyses of the photograms are performed in digital mode using special computer software. This digital beach monitoring of the Polish Baltic coast was initiated in summer 2002. The test fields in Polanka Redłowska within Gdynia and Chłapowo near Władysławowo were selected. The beach areas of the length of about 200 m along the shore were registered there. Selected examples of short-term changes of the beach relief were presented. A range of spatiotemporal transformations related to different periods (hours, days, months etc.) was demonstrated.
Źródło:
Polish Geological Institute Special Papers; 2004, 11; 77-82
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Z badań nad obecnością skandynawów na południowym wybrzeżu Bałtyku w początkach średniowiecza
Autorzy:
Jöns, Hauke
Kowalska, Anna B.
Powiązania:
https://bibliotekanauki.pl/articles/1038126.pdf
Data publikacji:
2019-02-20
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
southern shore of the Baltic
early Middle Ages
Scandinavians
craft and trade emporia
interdisciplinary research
Opis:
Interdisciplinary research into Scandinavian presence in the Slavic domain at the southern shore of the Baltic in the early Middle Ages has provided new data conducive to reconstruction of the natural and cultural landscapes.
Źródło:
Slavia Antiqua: rocznik poświęcony starożytnościom słowiańskim; 2018, 59; 117-128
0080-9993
Pojawia się w:
Slavia Antiqua: rocznik poświęcony starożytnościom słowiańskim
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-13 z 13

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