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    Wyświetlanie 1-11 z 11
    Tytuł:
    Preliminary studies on sandy littoral macrofauna at protected areas of the Polish open Baltic Sea coast
    Autorzy:
    Żmudziński, Ludwik
    Andrulewicz, Eugeniusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1203887.pdf
    Data publikacji:
    1997
    Wydawca:
    Akademia Pomorska w Słupsku
    Tematy:
    sand
    macrofauna
    protected area
    Polish coastal zone
    Baltic Sea
    coast
    littoral zone
    Wolin National Park
    Slowinski National Park
    Rozewie Cape
    species composition
    bottom sediment
    crustacean
    polychaete
    bivalve
    bottom macrofauna
    zoobenthos
    Źródło:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 1997, 01
    1643-0115
    Pojawia się w:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
    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:
    Occurrence probability of maximum sea levels in Polish ports of Baltic Sea coast
    Autorzy:
    Wiśniewski, B.
    Wolski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/258790.pdf
    Data publikacji:
    2009
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    sea levels
    probability
    Polish Baltic Sea coast
    Opis:
    In this work long-term probability of occurrence of maximum sea levels in some points of Polish Baltic Sea coast, was determined. Use was made of multi-year series of measurement data on maximum yearly sea levels, and their probability distributions were determined. To the analysis Gumbel’s distribution and Pearson distribution of 3rd type as well as quantile methods and the highest credibility method, were applied. Kolmogorov test was used to examine conformity of the theoretical distributions with real random variable distribution. As results from the analysis, the highest sea levels of 1000- year return period can be expected in Polish ports of the west part of the coast , i.e. Kolobrzeg (750, 2 cm , i.e. 2,5 m above the average sea level) and Swinoujscie (723,6 cm) . Lower sea levels of the same return period can be expected in Ustka (720,2 cm), Wladyslawowo (709,7 cm) and Gdansk (716, 7 cm), respectively.
    Źródło:
    Polish Maritime Research; 2009, 3; 62-69
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Recognition of the vibriosis risk in Polish coastal waters of the Baltic Sea and public engagement in its mitigation
    Autorzy:
    Rakowski, Marcin
    Mytlewski, Adam
    Piwowarczyk, Joanna
    Powiązania:
    https://bibliotekanauki.pl/articles/27314683.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    bacterioplankton
    Baltic Sea coast
    climate change
    mitigation measures
    Nature-based Solutions
    Polish case
    public awareness
    Vibrio vulnificus
    Opis:
    The surface water temperature in the Baltic Sea has been growing as a consequence of broader changes of the Earth’s climate, which contributes to the proliferation of natural bacterioplankton and new types of bacteria, such as Vibrio vulnificus, in the region. This pathogenic bacterium finds optimal conditions for growth primarily in warm brackish waters. Places particularly vulnerable to these bacteria include shallow Baltic coastal waters where the proliferation of Vibrio strains increases in summer. The growing temperature of coastal waters boost this phenomenon, posing a serious threat to human health and the coastal Baltic tourism. The BaltVib project implemented by marine microbiologists investigates the impact of the so-called “system engineers”, e.g. mussels, macroalgae, and seagrass, on the diversity and abundance of vibriosis. The research should help to develop strategies to mitigate the problem of excessive populations of vibriosis through nature-based solutions. In addition to environmental and health issues, public awareness of the phenomena and future threats are equally important and these are also addressed in the project. The article presents results of a survey conducted on the Polish coast involving 140 respondents interviewed concerning their awareness of the increasing population of pathogenic vibriosis. The survey helped to diagnose how local residents perceive the threat to human health posed by Vibrio vulnificus now and in the future, as well as possible impacts these bacteria might have on economic use of the coastal waters. The survey also investigated the level of acceptance for various methods used to mitigate negative environmental changes.
    Źródło:
    Journal of Water and Land Development; 2023, 59; 291--297
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stratygrafia i litologia mineralnych osadów występujących w klifach środkowej części polskiego wybrzeża Bałtyku
    Stratigraphy and lithology of minerogenic deposits in coastal cliffs, middle section of the Polish Baltic coast
    Autorzy:
    Olszak, I. J.
    Florek, W.
    Seul, C.
    Majewski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/294787.pdf
    Data publikacji:
    2008
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    klify
    petrografia
    stratygrafia
    wiek osadów
    polskie wybrzeże Bałtyku
    cliffs
    petrography
    stratigraphy
    age of sediments
    Polish Baltic Sea coast
    Opis:
    Korzystając z dawnych i nowych opracowań geologicznych oraz własnych danych petrograficznych i stratygraficznych, autorzy przedstawili swoje poglądy na temat litologii i wieku osadów mineralnych budujących klify pomiędzy Jarosławcem a Dębiną. Najnowsze dane odbiegają od zakorzenionych w literaturze poglądów.
    New views about lithology and age of deposits building coastal cliffs between Jarosławiec and Dębina, diverging from the models rooted in the literature, are presented by the authors. The revision is based on critical re-assessment of older and more recent geological reports and new results of petrological and stratigraphic research. The oldest glacial deposit exposed in cliff sections is grey till. Petrological data and TL dating results indicate clearly that it was deposited during the Świecie stadial. At Jarosławiec site, the till is enriched in Tertiary organic material and divided into two layers based on colour. However, petrology and TL age determinations do not differ between these layers. In the cliffs investigated, as well as in the other coastal cliffs in the eastern Pomorze region, older tills do not occur. Likewise, tills from the main stage of the last glaciation have not been recognized. The Świecie stadial till is overlain by outwash, glacilimnic and limnic deposits, the latter dated for the Grudziądz interstadial. Almost everywhere the near-surface layer is built of late Holocene aeolian sand with palaeosols.
    Źródło:
    Landform Analysis; 2008, 7; 113-118
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution and the role of Cerastoderma glaucum (Poiret, 1789) in the Polish Baltic Sea coast
    Rozmieszczenie i rola Cerastoderma glaucum (Poiret, 1789) w polskiej przybrzeżnej strefie Bałtyku
    Autorzy:
    Obolewski, K.
    Konkel, M.
    Strzelczak, A.
    Piesik, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/84793.pdf
    Data publikacji:
    2007
    Wydawca:
    Akademia Pomorska w Słupsku
    Tematy:
    distribution
    abundance
    biomass
    Cerastoderma glaucum
    Polish coastal zone
    Baltic coast
    Baltic Sea
    eutrophication
    population density
    bottom
    environment condition
    Opis:
    A population of Cerastoderma glaucum Poiret 1789 was studied in the Polish coastal zone (up to 3 Nautical miles) of the Baltic Sea within the Puck Bay and part of the Gulf of Gdańsk. The frequency (F) in the sheltered coastal zone of bays was high (65%), whereas at the exposed open coast of the Middle Pomerania it was lower (43%). Also, abundance in the Puck Bay and the Gulf of Gdańsk was over 3-fold higher than in the coastal zone of the Middle Pomerania. By means of classic statistical methods (essential tests) we proved the significance of differences between mean abundance at west and east transects in estuaries and between open coast and estuaries. The multivariate regression and classification trees (MR&CT) indicated that biomass and abundance of C. glaucum in the Baltic Sea were affected by the kind of bottom, whereas depth and distance to the bank influenced cockles' abundance and biomass in bays. The population's structure in the Puck Bay and the Gulf of Gdańsk was determined mainly by the depth. In the Wieprza River estuary only specimens from age group 1+ were found. On all the other studied profiles cockles lived up to 3 or 4 years and the dominant group was 2+. The highest mean width of shell was in the Słupia River estuary, and in the bays shell width increased from west to east. In comparison to the other bivalves inhabiting the discussed area, C. glaucum does not play an important role as food source for fish and other consumers but may serve as an indicator of environmental conditions.
    Badano populację małża sercówki bałtyckiej Cerastoderma glaucum (Poiret, 1789) w polskiej strefie przybrzeżnej Bałtyku (do 3 Mm), oraz w Zatoce Puckiej i Zatoczce Gdyńskiej (część Zatoki Gdańskiej). Frekwencja dla strefy przybrzeżnej zatok była wysoka i wynosiła średnio F = 65%, a dla strefy przybrzeżnej Wybrzeża Środkowego tylko F = 43%. W strefie przybrzeżnej Zatoki Puckiej i Gdyńskiej zagęszczenie Cerastoderma było ponad 3-krotnie wyższe w porównaniu do masy mokrej w strefie przybrzeżnej Wybrzeża Środkowego. Przy użyciu klasycznych metod statystycznych (testów istotności) wykazano różnice w średnim zagęszczeniu pomiędzy profilami wschodnimi i zachodnimi w estuariach oraz pomiędzy otwartym wybrzeżem a strefami estuariowymi. Zastosowana metoda MR&CT (drzewa regresyjne) dla danych z Morza Bałtyckiego wskazała, że na biomasę i zagęszczenie Cerastoderma wpływ ma jedynie granulacja podłoża, natomiast na obszarze zatok na zagęszczenie wpływa głębokość, a na biomasę odległość od brzegu. Struktura populacji Cerastoderma glaucum zasiedlającej Zatokę Pucka i Gdańską jest determinowana głównie przez głębokość. Najkrócej sercówki żyły w estuarium Wieprzy, gdzie występowały wyłącznie osobniki z grupy wiekowej 1+. Na pozostałych badanych pod tym względem profilach małże te dożywały wieku 3 i 4 lat, z dominującymi starszymi grupami wiekowymi, głównie 2+. Badania szerokości muszli wykazały, że średnia szerokość muszli badanych Cerastoderma na obszarze Wybrzeża Środkowego była największa w estuarium Słupi, natomiast na obszarze zatok zasadniczo wzrastała z zachodu na wschód. W porównaniu do innych gatunków małży zasiedlających badany obszar, Cerastoderma glaucum, ze względu na niewielką liczebność, nie odgrywa większej roli ekologicznej oraz nie tworzy bogatej bazy pokarmowej dla ryb i innych hydrobiontów, może natomiast posłużyć jako organizm wskaźnikowy niekorzystnych zmian zachodzących w środowisku.
    Źródło:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2007, 11
    1643-0115
    Pojawia się w:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dynamic features of successive upwelling events in the Baltic Sea - a numerical case study
    Autorzy:
    Myrberg, K.
    Andrejev, O.
    Lehmann, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/48404.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Baltic Sea
    Hel Peninsula
    numerical modelling
    coastal upwelling
    thermal stratification
    sea surface temperature
    water column
    Polish coast
    Opis:
    Coastal upwelling often reveals itself during the thermal stratification season as an abrupt sea surface temperature (SST) drop. Its intensity depends not only on the magnitude of an upwelling-favourable wind impulse but also on the temperature stratification of the water column during the initial stage of the event. When a ‘chain’ of upwelling events is taking place, one event may play a part in forming the initial stratification for the next one; consequently, SST may drop significantly even with a reduced wind impulse. Two upwelling events were simulated on the Polish coast in August 1996 using a three-dimensional, baroclinic prognostic model. The model results proved to be in good agreement with in situ observations and satellite data. Comparison of the simulated upwelling events show that the first one required a wind impulse of 28 000 kg m−1 s−1 to reach its mature, full form, whereas an impulse of only 7500 kg m−1 s−1 was sufficient to bring about a significant drop in SST at the end of the second event. In practical applications like operational modelling, the initial stratification conditions prior to an upwelling event should be described with care in order to be able to simulate the coming event with very good accuracy.
    Źródło:
    Oceanologia; 2010, 52, 1; 77-99
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Polish coastal dunes : affecting factors and morphology
    Autorzy:
    Łabuz, T. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/294657.pdf
    Data publikacji:
    2013
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    dune coast
    dune types
    dune dynamics
    factors impact
    Polish Baltic Sea coast
    Opis:
    This article describe Polish coastal dunes and the factors influencing their development. The Polish coast is 500 km long and mainly exposed for a northerly direction. It is a part of the southern Baltic shore. The Polish coast is composed of mostly loose sand, till and peat. Because the coast hardiness is so weak, it is under constant threat from storm surges as well as human impact caused by rapid infrastructure development and the coastal protection measures put in place to try and protect it. These protection measures destabilize the natural coast dynamics and rebuilding process. Almost 85% of the shoreline is built up by sandy aeolian deposits and covered by different dune types. Among them are typical foredunes or inland dunes in eroded coastal areas. The second type of dune coasts are built up by land dunes, which appear on the coast as a result of sea erosion causing land regression. Sometimes dunes can be found over moraine deposits or in front of moraine old cliffs. Nowadays these habitats are heavily threatened by storm surges and human activity. In some places there is an accumulation that leads to new ridge developments. This article describes these issues with an emphasis on the present dynamics of Poland’s coastal areas.
    Źródło:
    Landform Analysis; 2013, 22; 33-59
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of coastal upwelling on chlorophyll a concentration in the surface water along the Polish coast of the Baltic Sea
    Autorzy:
    Krezel, A.
    Szymanek, L.
    Kozlowski, L.
    Szymelfenig, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/49088.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    surface water
    chlorophyll a
    satellite remote sensing
    concentration
    coastal upwelling
    Baltic Sea
    Polish coast
    Opis:
    Space-time variations in chlorophyll a (Chl a) concentrations in the surface water of upwelling regions along the Polish coast of the Baltic Sea were analysed. Carried out between 1998 and 2002 in the warmer season (from April till October), the measurements were targeted mainly at the Hel upwelling. Satellite-derived sea surface temperature (AVHRR) and Chl a data (SeaWiFS) were used. Generally speaking, the Chl a concentration increased in the upwelling plume, except along the Hel Peninsula, where two scenarios took place: a reduction in Chl a concentration in spring and an increase in autumn.
    Źródło:
    Oceanologia; 2005, 47, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The relief of the offshore sea bottom at Karwia-Chałupy, Polish Baltic coast
    Autorzy:
    Gajewski, L.
    Gajewski, Ł.
    Rudowski, S.
    Stachowiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1187372.pdf
    Data publikacji:
    2004
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    sea bottom relief
    offshore
    hydroacoustic methods
    Polish Baltic Sea coast
    Opis:
    Morphology of sea bottom of the Władysławowo area, from Karwia to Chałupy, has been studied based on the detailed digital bathymetric map prepared in a scale of 1:25 000 with isobaths every 0.25 m. A significant differentiation of the bottom relief has been observed, with the level changes up to 1-3 metres, mostly connected with the occurrence of specific systems of ridges and runnels. They are probably partly relict forms (fluvial and/or coastal?), changed to certain degree during the rapid stage of the Litorina transgression, and in partly forms created by the recent waves. Several types of the sea bottom surface, differing in pattern of morphological forms, have been recognised within inshore, near shore, and open sea (above 16 m depths) areas. The full knowledge of the origin and development of these relief forms requires further specialised research, currently carried out. Nonetheless, the already obtained picture of the sea bottom relief indicates an intensified abrasion of the offshore sea bottom, and an intensive, irreversible sweeping out of the sediments from the shore to the open sea, most probably by rip currents, at a distance up to several kilometres from the shore. It is in accordance with the results of a former large-scale (1:500) study of the sea bottom at the test field at Chłapowo, performed with the use of an integrated system of non-invasive and direct methods.
    Źródło:
    Polish Geological Institute Special Papers; 2004, 11; 91-94
    1507-9791
    Pojawia się w:
    Polish Geological Institute Special Papers
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Short-term changes in specific conductivity in Polish coastal lakes (Baltic Sea basin)
    Autorzy:
    Cieslinski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/48996.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    short-term change
    specific conductivity
    fluctuation
    coastal lake
    sea water intrusion
    Polish coast
    Baltic coast
    Lake Gardno
    Lake Lebsko
    water salinity
    wind speed
    chemical composition
    Źródło:
    Oceanologia; 2013, 55, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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