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    Wyświetlanie 1-7 z 7
    Tytuł:
    Morfologia, struktury sedymentacyjne, cechy uziarnienia i geneza wstęg piaszczystych równiny zalewowej doliny dolnej Wisły między Górskiem i Szynychem
    Morphology, sedimentary structures, granulometric properties and origin of sandy ribbons developed on the lower Vistula River valley floodplain between Górsk and Szynych
    Autorzy:
    Kordowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074558.pdf
    Data publikacji:
    2007
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    równina zalewowa
    Dolina Dolnej Wisły
    floodplain
    sandy ribbons
    lower Vistula river valley
    Opis:
    The paper presents the results of morphometric, structural and granulometric analyses carried out on sandy ribbons developed on the lower Vistula river floodplain in the Torun and Unisław Basins. The landforms identified were classified in respect to their shape, sedimentary structures and degree of preservation. Their origin and relation to other flood deposits were described and illustrated in the map of thickness and extent of sandy flood deposits in the Świecie Basin.
    Źródło:
    Przegląd Geologiczny; 2007, 55, 9; 785-794
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Związek akumulacji metali ciężkich w osadach facji powodziowej z morfologią doliny Wisły na odcinku od Annopola do Gołębia
    Relationship between the heavy metal accumulation in flood deposits and the morphology of the Vistula River Valley between Annopol and Gołąb
    Autorzy:
    Falkowska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074355.pdf
    Data publikacji:
    2005
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    metale ciężkie
    osad powodziowy
    dolina Wisły
    Vistula river valley
    heavy metal
    flood deposits
    Opis:
    A distinct zonality as shown in the occurrence of trace elements accumulated in the flood facies of the Vistula River between Annopol and Gołąb. Their amount may be linked with the character and dynamics of river flow in its particular stretches because the nature of the fluvial processes influences on the lithological composition of deposits. Thus the content of these elements in the deposits is related to the geomorphologic conditions of the valley evolution, such as the occurrence of gorge zones and zones with free channel development. The highest concentrations have been noted in flood deposits occurring as intercalations within the channel facies and deposited in the widest parts of the river valley. The lowest concentrations of the trace elements have been observed in the gorge zones of the valley. These are places where the flow is most dynamic, enabling only the formation of low and medium cohesive silty flood deposits with low contents of organic matter, iron oxides and calcium carbonate.
    Źródło:
    Przegląd Geologiczny; 2005, 53, 8; 681--686
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Model litofacjalny stożka ujściowego Wisły jako zapis interakcji środowiska lądowego i morskiego
    Lithofacies model of the Vistula river-mouth fan as a record of the interaction of marine and terrestial environments
    Autorzy:
    Koszka-Maroń, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075489.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Wisła
    czoło delty
    prodelta
    model facjalny
    morfodynamika
    Vistula river
    delta front
    facial model
    morphodynamics
    Opis:
    The study area (20 km2) covers part of the Vistula River's delta front and prodelta, active since 1895. The Vistula river-mouth fan is a unique area of intense accumulation of clastic material, whose development can be investigated from a precisely defined moment in the history of its origin to the present day. The research has resulted in a morphodynamic model (based on bathymetric plans of the contemporary Vistula mouth area over the period of 1894–2000) and a facies model of the Vistula mouth fan. The analysis of the morphometric models shows that 105 years after the Vistula Cross-Cut was opened, the volume of the sediment accumulated in the fan was 133.39 million m3 and the rate of accretion has decreased. Facial models were created on the basis of results of lithological analysis of sediments. The Vistula mouth fan is built of delta front sediments represented mainly by sand facies (fine-, medium- and coarse-grained, locally with gravel, as well as marine and freshwater mollusc shells), only locally by silt facies. The thickness of the river-mouth fan sands is 11–15 m. The prodelta sediments are found on the fan's forefield within a depth zone of 12–16 m, and they also underlie the fan sediment. Their thickness is up to ca. 10 m. Cluster analysis of the individual grain-size distributions made it possible to distinguish two lithofacies in the Vistula mouth fan: lithofacies A (fine-grained sand, silty sands, clayey silt) and lithofacies B (medium-grained and coarse-grained sand). This allowed reconstructing the processes which has taken place over the last 100 years, and to forecast future changes in the development of the active part of the Vistula Delta.
    Źródło:
    Przegląd Geologiczny; 2016, 64, 5; 315--327
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmiany stężenia jonu chlorkowego w Wiśle w Krakowie
    Changes of chloride concentration in the Vistula river in Kraków
    Autorzy:
    Motyka, J.
    Juśko, J.
    Kasprzak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075264.pdf
    Data publikacji:
    2015
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    stężenia jonu chlorkowego
    Wisła
    kopalnia soli fizjologicznej
    zrzut wody
    chloride concentration
    Vistula river
    saline mine water discharge
    Opis:
    The paper presents the study of chloride concentrations in the Vistula river in Krakow, performed from 1990'. Growth of black coal mining in the Upper Silesia and the D¹browa Basin had significant impact for water quality in the Vistula river. After Second World War, year by year, the chloride concentration was being raised, in the end of 1970' reached 30g/l. Saline mine water discharge led to change hydrochemical water type from Ca–HCO3 to Na–Cl. Due to Polish Environment Law, concentrations of that ion was reduced, mostly to value below 1g/dm3. The water of the Vistula river has been sampled almost every week. The studies showed variability of chloride concentrations. Rate of water salinity depend on amount of the mine water discharge and water flow in the Vistula river. No cooperation between particular mines contributed to stochastic, variable salinity level.
    Źródło:
    Przegląd Geologiczny; 2015, 63, 10/2; 963--966
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Średni czas pobytu wód podziemnych w zlewniach Wisły i Narwi na podstawie oznaczeń trytu
    Mean residence time of groundwater in the Vistula and Narew basins on the basis of tritium measurements
    Autorzy:
    Nowicki, Z.
    Leśniak, P. M.
    Wilamowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075521.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    tryt
    średni czas przebywania
    dorzecze Wisły
    dorzecze Narwi
    dorzecze Dunaju
    tritium
    mean residence time
    Vistula river basin
    Narew River Basin
    Danube River Basin
    Opis:
    An issue of mean residence time (MRT) evaluation, i.e. the period of time from rainfall until drainage of groundwater by rivers (Danube River Basin, Vistula River Basin and Narew River Basin), is discussed Asimple method of evaluating the groundwater MRT for the Danube River Basin based on tritium data is introduced. It has been confirmed that the historical tritium level in the rivers, being higher than in precipitation, has its end and is reversed, opening a new pathway in understanding the surface-groundwater interaction and specifically in evaluating MRT of groundwater. The authors have defined a separate notification for mean residence time of the whole water in the basin (τ) and mean residence time for groundwater in the basin (τwp). Based on the tritium study the obtained τ values are 6.5 and 5.7 years for the Vistula River Basin (VRB) and the Narew River Basin (NRB), respectively. In turn, the obtained τwp values are 8.0 and 6.0 years, respectively. NRB is a lowland plain and a morphologically, geologically and hydrogeologically uniform basin. The obtained τ wp of groundwater is thus representative for the whole basin. Instead inmorphologically non uniform VRB basin groundwater τwp is a generalized value,i.e.averaged over contributed parts of the basin.
    Źródło:
    Przegląd Geologiczny; 2016, 64, 8; 545--551
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pochodzenie sfosfatyzowanych gąbek z warstwy dańskiego piaskowca glaukonitowego z Nasiłowa (dolina środkowej Wisły)
    The origin of phosphatized sponges from the Danian glauconitic sandstone from Nasi3ów (central Poland, Vistula River valley
    Autorzy:
    Świerczewska-Gładysz, E.
    Olszewska-Nejbert, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074484.pdf
    Data publikacji:
    2006
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    gąbki
    fauna gąbkowa
    sfosfatyzowane gąbki
    badania paleontologiczne
    mastrycht/dan
    Dolina Środkowej Wisły
    sponges
    phosphatization
    redeposition
    Maastrichtian/Danian
    Vistula river valley
    Opis:
    The sponge fauna from the Danian glauconitic sandstone as exposed at Nasiłów, contains all species known from the underlying Upper Maastrichtian siliceous chalk and, additionally, some species not documented hitherto from the latter unit. The stratigraphic ranges of the all studied sponges indicate their Late Maastrichtian age; there are no Danian sponges in the glauconitic sandstone. Two assemblages of sponges may be distinguished in the glauconitic sandstone, based on the analysis of the infilling of their interspicular space: 1) sponges infilled with phosphatized siliceous chalk and 2) sponges infilled with phosphatized glauconitic siliceous chalk. Petrographic study indicates that the host deposit of the first assemblage was a siliceous chalk. The second type originated from a glauconitic siliceous chalk unit, probably equivalent to the so-called Żyrzyn Beds of Late Maastrichtian age. The glauconitic chalk orginally overlain the siliceous chalk at Nasiłów, but has been subsequently eroded. Detailed analysis of the relations between two types of infillings allows to distinguish a latest Maastrichtian stage of erosion after deposition of the siliceous chalk, not recognised by previous authors. In this erosional stage, phosphatized sponges originally embedded in siliceous chalk were re-exposed and subsequently buried during the deposition of the glauconitic siliceous chalk unit.
    Źródło:
    Przegląd Geologiczny; 2006, 54, 8; 710-719
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cysty Dinoflagellata z górnego kampanu i najniższego mastrychtu (górna kreda) profilu środkowej Wisły - stratygrafia i paleoekologia
    Dinoflagellate cysts from the upper Campanian–lowermost Maastrichtian (Upper Cretaceous) of the Middle Vistula River section - stratigraphy and palaeoecology
    Autorzy:
    Nechwedowicz, Mariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/20197905.pdf
    Data publikacji:
    2022
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    cysty bruzdnicowe
    taksonomia
    biostratygrafia
    paleoekologia
    zmiany poziomu morza
    chłodzenie
    Kampan
    Mastrycht
    górna kreda
    środkowaj Wisła
    Polska
    dinoflagellate cysts
    taxonomy
    biostratigraphy
    palaeoecology
    sea-level changes
    cooling
    Campanian/Maastrichtian boundary
    Upper Cretaceous
    Middle Vistula River section
    Polska
    Opis:
    Among the rich dinoflagellate cyst assemblages recovered from the upper Campanian-lowermost Maastrichtian succession of the Middle Vistula River section (central Poland), four taxa (Callaiosphaeridium bicoronatum, Odontochitina dilatata, Oligosphaeridium araneum and Samlandia paucitabulata) have been described as new. An analysis of the distribution of particular dinoflagellate cyst taxa enabled the development of a highly resolved biostratigraphic framework, calibrated against other biozonal schemes (based, among others, on inoceramid bivalves, ammonites and belemnites), formerly established for the succession. A comparison of the Middle Vistula River record with the dinoflagellate cyst ranges documented in other European successions enabled correlations with selected sections in Belgium, the Netherlands, southern Germany and northern Italy, and with the Campanian/Maastrichtian boundary stratotype section in Tercis les Bains, southwest France. A palaeoecological analysis of the dino- flagellate cyst assemblages and of other components of phytoplankton communities revealed a well-defined trend in sea-level fluctuations (likely of eustatic origin), and palaeoclimatic changes probably related to the latest Cretaceous cooling episode, as observed elsewhere.
    Źródło:
    Przegląd Geologiczny; 2022, 70, 10; 751-760
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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