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    Wyświetlanie 1-14 z 14
    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:
    Contemporary Dynamics of the Sea Shore of Kaliningrad Oblast
    Autorzy:
    Karmanov, K.
    Burnashov, E.
    Chubarenko, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/241017.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
    Tematy:
    sea shore
    coastline retreat and advance
    foredunes
    erosion
    protection
    Opis:
    The article presents estimations of coastline retreat and advance in Kaliningrad Oblast at 85 monitoring points for a ten-year period of 2007–2017, based on monitoring data supplemented with satellite image analysis. The mean annual rate of coastline retreat and advance was estimated in general for each of the four major morpholithodynamic segments of the coastline: the Vistula (0:2 m/year) and Curonian (0:4 m/year) spits, as well as the western (0:5 m/year) and northern (0:2 m/year) shores of the Sambia Peninsula. The analysis of the shore protection measures implemented in Kaliningrad Oblast from 2007 to 2017 showed that the length of protected shore segments increased by 30% to 14.5 km, which is 10% of the total coastline. The obtained scheme of long-term mean annual rates of coastline retreat and advance clearly demonstrates an uneven distribution of eroded segments along the shores of Kaliningrad Oblast, however the sea shore of Kaliningrad Oblast is mainly susceptible to erosion (44%). Accumulative segments of the shore make up only 17% of the total coastline, and the remaining 39% of the shore is relatively stable. The results obtained demonstrate that the long-term mean annual rate of coastline retreat has decreased to 0:3 m/year from 1 m/year in the earlier period of 2000–2010. The general condition of the entire coastline of Kaliningrad Oblast can therefore be described as relatively sustainable]. The changes are related to several factors, such as an increase in the length of protected shore segments, the resumption of sand pulp dumping in the beach area by the Amber Mining Plant, and an increase in the amount of analytical data from an expanded local monitoring network.
    Źródło:
    Archives of Hydro-Engineering and Environmental Mechanics; 2018, 65, 2; 143-159
    1231-3726
    Pojawia się w:
    Archives of Hydro-Engineering and Environmental Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    EEG based workload and stress assessment during remote ship operations
    Autorzy:
    Kari, R.
    Gausdal, A. H.
    Steinert, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2172510.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Safety at Sea
    remote ship operations
    remotely controlled ships
    shore control centre
    NASA task load index
    electroencephalography
    workload and stress
    human factor
    Opis:
    Autonomous and remotely controlled ships present new types of human factor challenges. An investigation of the underlying human factors in such operations is therefore necessary to mitigate safety hazards while improving operational efficiency. More tests are needed to identify operators’ levels of control, workload and stress. The aim of this study is to assess how increases in mental workload influence the stress levels of Shore Control Centre (SCC) operators during remote ship operations. Nine experiments were performed to investigate the stress levels of SCC operators during human-human and human-machine interactions. Data on the brain signals of human operators were collected directly by electroencephalography (EEG) and subjectively by the NASA task load index (TLX). The results show that the beta and gamma band powers of the EEG recordings were highly correlated with subjective levels of workload and stress during remote ship operations. They also show that there was a significant change in stress levels when workload increased, when ships were operating in harsh weather, and when the number of ships each SCC operator is responsible for was increased. Furthermore, no significant change in stress was identified when SCC operators established very high frequency (VHF) communication or when there was a risk of accident.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 2; 295--305
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    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:
    Interpretacyjne problemy prawa geologicznego i górniczego - tzw. "połowy bursztynu"
    Legal interpretation problems of geological and mining act - so-called "amber fishing"
    Autorzy:
    Lipiński, Aleksander
    Powiązania:
    https://bibliotekanauki.pl/articles/1046893.pdf
    Data publikacji:
    2018-03-21
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II
    Tematy:
    bursztyn
    konesje górnicze
    zbieranie bryłek bursztynu na plaży i wzdłuż brzegu morskiego
    amber
    mining licences
    collecting of amber nuggets on the beach and the sea shore
    Opis:
    Bursztyn jest kopaliną, która jest objęta prawem własności gruntowej. Wyjątek dotyczy złóż znajdujących się poza granicami nieruchomości gruntowych, w tym w obszarach morskich. Stanowią one przedmiot własności górniczej, która przysługuje Skarbowi Państwa. „Połów bursztynu” polega na zbieraniu bryłek bursztynu wypłukanego ze złóż podmorskich i znajdującego się pod wodą na niewielkiej głębokości obok linii brzegu. Przedmiotem prawa geologicznego o górniczego jest m.in. poszukiwanie (rozpoznawanie) oraz wydobywanie kopalin ze złóż. Wiele wskazuje na to, że opisane wyżej nagromadzenia bryłek bursztynu nie mogą być uważane za złoża w rozumieniu prawa geologicznego i górniczego. W konsekwencji ich „połów” nie będzie wymagał spełnienia przesłanek określonych wspomnianym prawem. Niejasny stan prawny powoduje natomiast, że ustalenie szczegółowych wymagań dotyczących omawianej działalności jest trudne.
    Amber is a mineral covered by the land ownership right. The exception applies to deposits located outside the spatial borders of the land, including ones located within the borders of maritime areas. They are covered by mining ownership, vested in the State Treasury.„Amber fishing” consists in collecting amber nuggets washed out of submarine deposits and located under water at a small depth near the shoreline. The subject of Geological and Mining Act is, among others, prospecting for (exploration) and mining of minerals from deposits. There are many indications that the above-described amber nuggets cannot be considered as a deposit within the meaning of Geological and Mining Act. As a consequence, „fishing” them will not require fulfilment of the requirements set out in the aforementioned Act. However,the unclear legal situation means that it is difficult to determine detailedrequirements regarding the activity in question.
    Źródło:
    Studia Prawnicze KUL; 2018, 2; 47-66
    1897-7146
    2719-4264
    Pojawia się w:
    Studia Prawnicze KUL
    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:
    State Borders in the Light of International Public Law. An Outline of the Issues
    Autorzy:
    Łaski, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/2027873.pdf
    Data publikacji:
    2021-12-31
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    Basic line
    border
    effectiveness
    gulf/bay
    high sea
    outer space
    shore
    sovereignty
    territorial waters
    territory
    territorial integrity
    territorial sovereignty
    straits
    Opis:
    Apportionment of authority among states in the space is one of the fundamental function of public international law and aim of that serves state borders institution. State borders are define as a line or surface separating state territories in land, martime and airspace. However exist different kind of borders that their establish in space bases on delimitation and demarcation. As long as do not give rise controversy establish land and maritime borders, while in spite of lack border determine in air space accept that sit height about 100–150 km. To sum up in the light of public international law exists and significant border is submit of principle of territorial integrity of states at the same time by their establish essential role plays crucial role effectiveness in carry out control of territory and borders. Therefore the principle of territorial integrity of States and effectiveness control over territory defines essence and role of state border.
    Źródło:
    Adam Mickiewicz University Law Review; 2021, 13; 31-44
    2450-0976
    Pojawia się w:
    Adam Mickiewicz University Law Review
    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:
    Updated distribution of endangered Psathyrella ammophila in Poland – new localities on Wolin Island
    Autorzy:
    Mazurkiewicz-Zapałowicz, Kinga
    Stasińska, Małgorzata
    Bihun, Magdalena Marta
    Powiązania:
    https://bibliotekanauki.pl/articles/11543397.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Psathyrella ammophila
    psammophilous species
    sea shore
    sand dune
    Agaricales
    locality
    Wolin Island
    Polska
    Opis:
    Psathyrella ammophila is a psammophilous fungus most frequently inhabiting seashore beaches, sand dunes and sandy inland areas. Although it is a widely spread species, in some countries it is rare or threatened, including Poland, where it is classified as “endangered” (E). In Poland, P. ammophila has been found in 26 localities, including 14 new reports after 1970. We present two new Polish localities from white sand dunes at the western shore of the Baltic Sea (Wolin Island). Moreover, ecological information and macroscopic and microscopic features of the basidiocarp based on collected samples are presented. The problem of the disappearance of dunes as a primary habitat of P. ammophila is also discussed.
    Źródło:
    Acta Mycologica; 2020, 55, 2; 55210
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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