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Tytuł:
Zastosowanie metody kopuli do dwuwymiarowej analizy wezbrań sztormowych w profilach wodowskazowych Świnoujście i Kołobrzeg
Application of copula method in twodimensional storm surges analysis at Świnoujście and at Kołobrzeg
Autorzy:
Ciupak, M.
Rokiciński, K.
Powiązania:
https://bibliotekanauki.pl/articles/222629.pdf
Data publikacji:
2011
Wydawca:
Akademia Marynarki Wojennej. Wydział Dowodzenia i Operacji Morskich
Tematy:
metoda kopuli
wezbrania sztormowe
profile wodowskazowe
Świnoujście
Kołobrzeg
storm surge
maximum water level above the filling level
Bayesian method
Southern Baltic
Gaussian copula
Gumbel-Hougaard copula
Opis:
W artykule zastosowano metod. kopuli do dwuwymiarowej analizy wezbra. sztormowych. Wezbrania sztormowe scharakteryzowano dwuwymiarow. zmienn. losow.: maksymalnym poziomem morza ponad nape.nienie w profilach wodowskazowych .winouj.cie PM.WI i Ko.obrzeg PMKOL. Proba losowa zosta.a wyznaczona na podstawie zidentyfikowanych wezbra. sztormowych wzd.u. po.udniowych wybrze.y Ba.tyku w latach 1976.2000. Celem artyku.u by.o znalezienie najlepszego dwuwymiarowego rozk.adu prawdopodobie.stwa badanej zmiennej losowej (PM.WI, PMKOL). Badaniu poddano eliptyczn. kopul. gaussowsk. i archimedesowsk. jednoparametrow. Gumela-Hougaarda. Do badania zgodno.ci kopuli z zaobserwowanymi realizacjami zmiennej losowej (PM.WI, PMKOL) u.yto wspo.czynnika korelacji rang Spearmana. Najlepsz. zgodno.. uzyskano dla kopuli Gumbela-Hougaarda �Ďs = 0,9871.
The copula method was applied to analyze 2D storm surges. Storm surges were described with 2D variable: the maximum water level above the filling level at Świnoujście PMŚWI and at Kołobrzeg PMKOL. The identified storm surges along of southern Baltic coasts in the period 1976–2000 were used to set the random sample. The aim of this paper is to find the best fit 2D probability distribution of the variable (PMŚWI, PMKOL). Two copula functions: elliptical Gaussian and Archimedean Gumbel-Hougaard copula were investigated. To verify copula conformity with the data observed the non-parametric dependence measure such as Spearman’s ńs was used. The best conformity was recorded for Gumbel-Hougaard copula ńs = 0,9871.
Źródło:
Zeszyty Naukowe Akademii Marynarki Wojennej; 2011, R. 52 nr 4 (187), 4 (187); 15-34
0860-889X
Pojawia się w:
Zeszyty Naukowe Akademii Marynarki Wojennej
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
Tytuł:
Wpływ glifosatu w postaci preparatu Roundup® na zbiorowiska mikrofitobentosu Zatoki Gdańskiej – nowe doniesienia
Effect of glyphosate (Roundup® formulation) on microphytobenthic communities of the Gulf of Gdańsk - new report
Autorzy:
Sylwestrzak, Z.
Zgrundo, A.
Pniewski, F.
Lejk, K.
Latała, A.
Powiązania:
https://bibliotekanauki.pl/articles/134790.pdf
Data publikacji:
2017
Wydawca:
ADVSEO
Tematy:
toxicological test
toxicity
herbicide
periphyton
chlorophyll a
biomass
photosystem II
Southern Baltic
Opis:
The experiments testing the toxicity of glyphosate Roundup® formulation were conducted on the natural microphytobenthic communities collected from the Gulf of Gdansk. The toxic effect of glyphosate was assessed by changes in the biomass of microphytobenthos cells [mm3 ∙ ml-1], chlorophyll a concentration and reduction of efficiency of photosystem II. Negative impact of glyphosate on microphytobenthic communities, both at the cellular and population scale, was determined. Hence it can be concluded that certain concentrations of the herbicide Roundup (glyphosate – active substance), in the marine environment may adversely impact natural microphytobenthic communities, and in consequence also other elements of the ecosystem.
Źródło:
Technical Issues; 2017, 2; 29-34
2392-3954
Pojawia się w:
Technical Issues
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wind- and density-driven water circulation in the Southern Baltic Sea - a numerical analysis
Autorzy:
Herman, A.
Jankowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1964085.pdf
Data publikacji:
2001
Wydawca:
Politechnika Gdańska
Tematy:
wind-driven circulation
density currents
hydrodynamic modeling
Stope Channel
Southern Baltic
Princeton Ocean Model
Opis:
The study focuses on the hydrodynamic processes in the southern Baltic Sea, with special interest in the Stolpe Channel - the only deep water connection between Bornholm Basin to the west and Gdansk and Gotland Basins to the east. The Channel is an area of strong interactions of wind- and density-driven currents that may lead to a complex flow structure. A three-dimensional numerical model was applied to an analysis of processes mentioned above. Three model versions of different spatial resolution (5, 3 and 1Nm) were used to investigate an influence of this parameter on the model results. The simulations were performed for four main wind directions, for a variable in time wind speed. It was shown that water circulation in the southern Baltic is to a high degree dependent on local anemobaric conditions. The results confirm the hypothesis of Krauss and Brugge that the flow in the Channel is opposite to the wind direction. Numerical grid step can have a decisive influence on the modeled circulation patterns, especially when barotropic andbaroclinic flow components counteract. In such situations - when the flow is bidirectional and mesoscale eddies are generated - high resolution of the model is particularly important.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2001, 5, 1; 29-58
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variability of temperature and salinity over the last decade in selected regions of the Southern Baltic Sea
Autorzy:
Rak, D.
Wieczorek, P.
Powiązania:
https://bibliotekanauki.pl/articles/48785.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
temperature
salinity
Southern Baltic Sea
trend
seasonal variability
physical property
water column
water exchange
water circulation
Opis:
Changes in the basic physical properties of selected areas of the Baltic Proper were analysed on the basis of the results of a 12-year series of high-resolution measurements collected during cruises of r/v ‘Oceania’. The high-resolution CTD sections covered three main basins: the Bornholm Basin, Słupsk Furrow and Gdańsk Basin. Positive temperature trends of 0.11 and 0.16◦C year−1 were observed in the surface and deep layers respectively. The salinity trend was also positive. The rise in the air temperature has probably caused the increase in surface water temperature, while advection has been of greater significance in the deep layer. The increase in salinity coincides with the more frequent occurrence of small and medium-size inflows through the Danish Straits, even though large inflows are evidently less frequent than used to be the case. The seasonal variability of temperature in the water column was analysed. The phase shift in the seasonal evolution with depth is described. The maximum temperature shift in the waters investigated varies from 32 to 38 days.
Źródło:
Oceanologia; 2012, 54, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The spatial and temporal structure of phytoplankton in 2014-2016 in the Poddabie area on the southern Baltic Sea
Struktura przestrzenno-czasowa fitoplanktonu w latach 2014 - 2016 w rejonie Poddąbie w obszarze południowego Bałtyku
Autorzy:
Zaboroś, I.
Mioskowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/111393.pdf
Data publikacji:
2018
Wydawca:
Instytut Morski w Gdańsku
Tematy:
seasonal variability
species composition
abundance and biomass of phytoplankton
southern Baltic Sea
Poddabie area
zmienność sezonowa
skład gatunkowy
liczebność i biomasa fitoplanktonu
południowy Bałtyk
Poddąbie
Opis:
In the Baltic Sea, there can be observed seasonal changes of the phytoplankton structure during which the species composition, abundance and phytoplankton biomass change. However, the spatial and temporal variability of individual phytoplankton groups is not the same in all the regions of the Baltic. The only research (and available studies) of phytoplankton in these shallow central sea basin zones is conducted by Institute of Meteorology and Water Management (IMWM) as part of the HELCOM Baltic Sea Monitoring at station P16, which is located closest to the studied area. Therefore, in the years 2014-2016 phytoplankton seasonality studies were carried out, which allowed to supplement data in the area of the central coast of the south Baltic [61]. Based on the above literature, the aim of this study was to determine the temporal and spatial structure and to examine the species composition of phytoplankton occurrence and biodiversity in the Poddabie region from November 2014 till September 2016. The following article presents the results obtained at 3 measuring stations (P1, P2 and P3) in the area of Poddabie. These results confirm typical changes of phytoplankton on 3 measurement stations depending on the season of the year. The collected data for this article is the second part of the three monographs on the area on the central coast of the southern Baltic. It show the exact results of the species composition and seasonal changes of phytoplankton in the Poddabie region. The average values of phytoplankton abundance and biomass were typical for this sort of coastal waters and there were no significant species differences between these stations. Comparing the results obtained in this study with the data from the IMWM annual reports for the last decade, it can be noticed that the volumes and fluctuations of total biomass and phytoplankton abundance in the three analysed areas are in line with trends typical for the South Baltic coastal area.
W Morzu Bałtyckim obserwuje się sezonowe zmiany struktury fitoplanktonu podczas której następuje zmiana składu gatunkowego, liczebności oraz biomasy fitoplanktonu. Jednakże przestrzenna i czasowa zmienność poszczególnych grup fitoplanktonu nie jest taka sama w różnych rejonach Bałtyku. Jedyne badania (oraz dostępne opracowania) fitoplanktonu w tych strefach płytkowodnych środkowego wybrzeża prowadzone są przez IMGW w ramach Monitoringu Bałtyku HELCOM na stacji P16, które są położenie najbliżej badanego rejonu. W tym celu w latach 2014-2016 wykonano badania sezonowości fitoplanktonu, co pozwoliło na uzupełnienie danych w obszarze środkowego wybrzeża południowego Bałtyku [61]. W oparciu o powyższą literaturę celem niniejszej pracy było określenie struktury czasowo-przestrzennej i zbadanie składu gatunkowego występowania fitoplanktonu oraz różnorodności biologicznej w rejonie Poddąbia w okresie listopad 2014 – wrzesień 2016. Poniższy artykuł przedstawia wyniki uzyskane na 3 stacjach pomiarowych (P1, P2 oraz P3) w rejonie Poddąbia. Wyniki te potwierdzają typowe zmiany fitoplanktonu na 3 stacjach pomiarowych w zależności od pory roku. Średnie wartości liczebności i biomasy fitoplanktonu były typowe dla tego rodzaju wód przybrzeżnych i nie odnotowano znaczących różnic gatunkowych pomiędzy tymi stacjami. Porównując otrzymane w tym opracowaniu wyniki do danych z rocznych raportów IMGW dla ostatniego dziesięciolecia, można zauważyć, że wielkości i fluktuacje całkowitej biomasy i liczebności fitoplanktonu w trzech badanych rejonach są zgodne z trendami typowymi dla rejonu wód przybrzeżnych Południowego Bałtyku.
Źródło:
Biuletyn Instytutu Morskiego w Gdańsku; 2018, 33, 1; 189-203
1230-7424
2450-5536
Pojawia się w:
Biuletyn Instytutu Morskiego w Gdańsku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of Klaipeda Port entrance channel dredging on the dynamics of coastal zone, Lithuania
Autorzy:
Zilinskas, G.
Janusaite, R.
Jarmalavicius, D.
Pupienis, D.
Powiązania:
https://bibliotekanauki.pl/articles/2079089.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Klaipeda Port
Southern Baltic
Lithuania
entrance channel
dredging
coastal zone
sediment transport
lithodynamic condition
coastal erosion
Opis:
Dredging entrance channels to ports on open littoral drift seashores often causes major morphological changes to the shoreline. This study aims to assess the impact of dredging the Port of Klaipėda's entrance channel and the construction of the jetties on the coastal zone. Based on an analysis of cartographic material collected between 1835 and 2017, and on field data (bathymetric surveys and cross-shore profile levelling), changes to the coastal zone in the area nearest to the port were evaluated. The dominant longshore sediment transport on the Lithuanian nearshore runs from south to north. Thus, based on established patterns, intensive accretion could have been expected to take place on the southern side of the port jetties and erosion on their northern side. However, in the case of the Port of Klaipėda, in the area nearest to the port on the updrift side of the port jetties, where accretion would have been expected to take place, the nearshore depth increased throughout the 20th century (when the length and configuration of the jetties did not change). The shoreline shifted landward instead of moving further out to sea. The present study shows that the intensive dredging of the entrance channel caused nearshore and shore erosion on the updrift side of the port jetties, even while a sufficient sediment load was being transported by the longshore drift.
Źródło:
Oceanologia; 2020, 62, 4PA; 489-500
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The first report on the establishment and spread of the alien clam Rangia cuneata (Mactridae) in the Polish part of the Vistula Lagoon (Southern Baltic)
Autorzy:
Warzocha, J.
Szymanek, L.
Witalis, B.
Wodzinowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/47524.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Rangia cuneata
Mactridae
clam
alien species
Vistula Lagoon
Southern Baltic
Źródło:
Oceanologia; 2016, 58, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The development of unconsolidated sedimentary coastal cliffs (Pobrzeże Kaszubskie, Northern Poland)
Autorzy:
Uścinowicz, G.
Jurys, L.
Szarafin, T.
Powiązania:
https://bibliotekanauki.pl/articles/2060378.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
cliff coast
landslides
soft sediments
Southern Baltic
Opis:
In the course of fieldwork based on geological and landslide mapping and spatial analyses of map information at least 2 types of landslides were identified. Type I: simple landslides developed in homogeneous and undisturbed rocks, for instance – loams, clays and sands. This type of landslide includes many examples developed mainly on the stretch (segment of the studied area) approximately between 132.25 and 133.50 km and 128.50 and 129.50 km of the Polish coastline. Type II: complex landslides in which the movement and displacement of rock masses occurs under complex geological and hydrogeological conditions. The complex factors are determined by phenomena such as glaciotectonics, discontinuities of rock layers and thrust zones; the slip surface occurs at considerable depths, and sometimes several slip surfaces can be distinguished. These landslide types are located in the vicinity of Jastrzębia Góra and Rozewie, near km 134 and 131.5. Prediction of the formation of this landslide types is difficult. Even if long-term observations are available, the mass movement, variable over time, is difficult to interpret. It is clear that the changes are continuous, but occur with varying intensity. Proper recognition of the types of mass movement is crucial to establishing the appropriate methods to prevent their development.
Źródło:
Geological Quarterly; 2017, 61, 2; 491--501
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The comparison of the forecasted and measured currents in the deep part of the Southern Baltic Sea in 1999
Autorzy:
Krzymiński, W.
Powiązania:
https://bibliotekanauki.pl/articles/972854.pdf
Data publikacji:
2001
Wydawca:
Instytut Morski w Gdańsku
Tematy:
Southern Baltic Sea
forecasts
HIROMB
Opis:
This paper presents results of the investigation carried out in frame of research project of Institute of Meteorology and Water Management Maritime Branch in Gdynia (IWM-MB) in the y ear 2000. The goal of the project was to determine the conformity of the sea current forecasts for the layer 8 - I 2 meters of the open sea part of the Southern Baltic Sea, as produced by the hydrodynamic model of the Baltic Sea- HIROMB [5}, with the measurements. Contrary to the results of previous experiments as in the case of the POLRODEX ones [7, 8, 9}, during present study it was expected to detect behaviour of the model far from the influence of the boundary like coastline as well as bottom friction in the shallow water areas. The analysed data were collected during five routine cruises of r/v Baltica organized by IWMMBsince February until September I999 [10], when cruise track started/rom the Gdansk Deep, next along the northern border of the Polish EEZ, ending in the Bomholm Deep area usually. On the basis of the current vectors recorded by means of the ship mounted ADCP as the 250 m average values in the layer 7.5 to 12.5 meters, mean values related to the model grid have been calculated and statistically assessed. These mean vectors have been used for compan·son of forecasted values. Consequently, the sets of values of the differences between measured and predicted currents were statistically evaluated both regarding the direction and the module of the currents as well as the current vector components (Vx, Vy) separately.
Źródło:
Biuletyn Instytutu Morskiego w Gdańsku; 2001, 28, 2; 55-64
1230-7424
2450-5536
Pojawia się w:
Biuletyn Instytutu Morskiego w Gdańsku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The comparison of the forecasted and measured currents in the deep part of the Southern Baltic Sea in 1999
Autorzy:
Krzymiński, W.
Powiązania:
https://bibliotekanauki.pl/articles/1920609.pdf
Data publikacji:
2001
Wydawca:
Instytut Morski w Gdańsku
Tematy:
Southern Baltic Sea
forecasts
HIROMB
Opis:
This paper presents results of the investigation carried out in frame of research project of Institute of Meteorology and Water Management Maritime Branch in Gdynia (IWM-MB) in the y ear 2000. The goal of the project was to determine the conformity of the sea current forecasts for the layer 8 - I 2 meters of the open sea part of the Southern Baltic Sea, as produced by the hydrodynamic model of the Baltic Sea- HIROMB [5}, with the measurements. Contrary to the results of previous experiments as in the case of the POLRODEX ones [7, 8, 9}, during present study it was expected to detect behaviour of the model far from the influence of the boundary like coastline as well as bottom friction in the shallow water areas. The analysed data were collected during five routine cruises of r/v Baltica organized by IWMMBsince February until September I999 [10], when cruise track started/rom the Gdansk Deep, next along the northern border of the Polish EEZ, ending in the Bomholm Deep area usually. On the basis of the current vectors recorded by means of the ship mounted ADCP as the 250 m average values in the layer 7.5 to 12.5 meters, mean values related to the model grid have been calculated and statistically assessed. These mean vectors have been used for compan·son of forecasted values. Consequently, the sets of values of the differences between measured and predicted currents were statistically evaluated both regarding the direction and the module of the currents as well as the current vector components (Vx, Vy) separately.
Źródło:
Biuletyn Instytutu Morskiego w Gdańsku; 2001, 28, 2; 55-64
1230-7424
2450-5536
Pojawia się w:
Biuletyn Instytutu Morskiego w Gdańsku
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Struktury ekologiczne zespołu makrofaulingu wschodniego wybrzeża Zatoki Pomorskiej (południowy Bałtyk) w 2008 roku na podłożach antropogenicznych
The ecological structure macrofauling community of the eastern shore of the Pomeranian Bay (southern Baltic sea) in 2008 on the anthropogenic substrates
Autorzy:
Rosińska, B
Chojnacki, J C
Klej, K
Kowalewska, M
Polońska, J
Powiązania:
https://bibliotekanauki.pl/articles/399938.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
makrofauling
południowy Bałtyk
Zatoka Pomorska
podłoża antropogeniczne
macrobiofauling
southern Baltic Sea
Pomeranian Bay
antropogenic substrates
Opis:
W roku 2008 prowadzono obserwacje nad zgrupowaniami organizmów poroślowych Zatoki Pomorskiej. Wyznaczono stanowiska w Międzyzdrojach, Niechorzu oraz Kołobrzegu. Próbki organizmów pobierano z filarów molo, ostróg oraz gwiazdobloków z falochronów w każdej miejscowości. Materiał biologiczny pobrano wiosną (11 maja 2008), latem (27 lipca 2008) oraz wczesną jesienią (14 września 2008). Dokonano analizy jakościowej i ilościowej zebranych organizmów bezkręgowych.
In 2008, observations carried out on groups of biofauling organisms Pomeranian Bay. Appointed position in Międzyzdroje, Kołobrzeg and Niechorze. Samples of organisms were collected from the pillars of the pier, wooden spurs and conctrte starblocks as part of the breakwaters in each village. The biological material has been collected in the spring (11 May 2008), summer (July 27, 2008) and early autumn (September 14, 2008). There have been qualitative and quantitative analysis of any invertebrate organisms collected.
Źródło:
Inżynieria Ekologiczna; 2013, 35; 60-68
2081-139X
2392-0629
Pojawia się w:
Inżynieria Ekologiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stages of the formation of the Łeba barrier-lagoon system on the basis of the geological cross-section near Rąbka (Southern Baltic Coast, Poland)
Autorzy:
Rotnicki, Karol
Alexandrowicz, Stefan W.
Pazdur, Anna
Goslar, Tomasz
Borówka, Ryszard K.
Powiązania:
https://bibliotekanauki.pl/articles/2026416.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sand barriers
lagoons
Holocene barrier- lagoon system
Polska
southern Baltic coast
Opis:
The ar ti cle pres ents the re sults of a de tailed study of the geo log i cal struc ture of the £eba Bar rier in the R¹bka crosssec tion (South ern Bal tic, Po land). The bar rier sep a rates Lake £ebsko from the Bal tic. Five sed i men tary com plexes were dis tin guished there (M2–M6). The spa tial vari abil ity of the grain-size dis tri bu tion was ex am ined and suc ces sion stages of the mol lusc fauna oc cur ring in the in di vid ual sed i men tary com plexes were dis tin guished. Ra dio car bon dating was used to es tab lish the age of the most im por tant events dur ing the pro cess of for ma tion of the bar rier, which took place in the course of sev eral rel a tive sea-level changes. The first sed i men tary com plex (M2) at R¹bka is connected with the sec ond ingression (i2) of the Bal tic Sea (ca. 6,700–6,000 14C years BP), sea-level sta bi li za tion (6,000–5,500 14C years BP), and at last sea-level low er ing (5,500–5,000 14C years BP) in the re gion of the Gardno-£eba Coastal Plain. The sed i men tary com plex M3 de vel oped in a la goonal en vi ron ment when the bar rier was sit u ated north of its pres ent po si tion (5,000–3,000 14C BP). The next low er ing of the sea-level made the la goon shal lower and caused the emer gence of small but al ready subaerial stretches of bar rier land with a fresh wa ter fauna in the north (4,880±40 14C BP). With the next ingression stage (i3), which took place be tween 4,500 and 3,000 BP, the bar rier shifted to its pres ent-day po si tion and the la goon changed into a fresh wa ter lake. From 3,000 to 1,700 14C BP fos sil soil and peats de vel oped on the bar rier sur face as a re sult of an other sea-level low er ing. The last ingression stages (i4 and i5), youn - ger than 1,700 BP, built up the bar rier, prac ti cally in its to day’s lo ca tion (sed i men tary com plexes M4 and M5). The youn gest sed i men tary com plex (M-6) is rep re sented by pres ent-day beach sands.
Źródło:
Studia Quaternaria; 2009, 26; 3-24
1641-5558
2300-0384
Pojawia się w:
Studia Quaternaria
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spectrophotometric studies of marine surfactants in the Southern Baltic Sea
Autorzy:
Drozdowska, V.
Jozefowicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/48361.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
surfactant
chromophoric dissolved organic matter
fluorophoric dissolved organic matter
photometry
fluorometry
spectrophotometry
Southern Baltic Sea
riverine water
Źródło:
Oceanologia; 2015, 57, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Significance of nutrient fluxes via submarine groundwater discharge in the Bay of Puck, Southern Baltic Sea
Autorzy:
Szymczycha, B.
Klostowska, Z.
Lengier, M.
Dzierzbicka-Glowacka, L.
Powiązania:
https://bibliotekanauki.pl/articles/2079294.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
nutrient flux
nitrogen
phosphorus
submarine groundwater discharge
biogeochemistry
coastal zone
Puck Bay
Southern Baltic Sea
Opis:
In this study, we collected submarine groundwater discharge (SGD) and seawater samples at six sites in the Bay of Puck, in the southern Baltic Sea, in order to estimate the nutrient distribution in groundwater affected areas. In addition, we estimated nutrient fluxes via SGD, including both fresh SGD (FSGD) and recirculated seawater SGD (RSGD), to the entire Bay of Puck. Phosphate (PO43−) concentrations varied significantly among study sites and seasons, while both ammonium (NH4+) and nitrates (NO3−) concentrations varied only seasonally. The N:P ratio indicated P limitation in most of the samples. The estimated seasonal and annual loads, via SGD, of both dissolved inorganic nitrogen (DIN; 9303 t yr−1) and PO43− (950 t yr−1), were the most significant source of nutrients to the Bay of Puck, and notably higher than quantified before (FSGD nutrient loads of 50 t yr−1 and 56 t yr−1 for DIN and PO43−, respectively). The SGD fluxes reported here indicate some of the highest rates of sediment-water fluxes reported in the Baltic Sea. These results suggest that SGD (both FSGD and RSGD) should be considered as source of chemical substances to the marine environment.
Źródło:
Oceanologia; 2020, 62, 2; 117-125
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
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