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    Wyświetlanie 1-8 z 8
    Tytuł:
    The geological conditions of the occurrence of Carboniferous coal in the northwestern part of Sörkap Land in West Spitsbergen
    Autorzy:
    Lipiarski, Ireneusz
    Ćmiel, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/2057381.pdf
    Data publikacji:
    1984
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic
    Carboniferous coal
    West Spitsbergen
    Źródło:
    Polish Polar Research; 1984, 5, 3-4; 255-266
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New palaeomagnetic data from metamorphosed carbonates of Western Oscar II Land, Western Spitsbergen
    Autorzy:
    Michalski, Krzysztof
    Domańska-Siuda, Justyna
    Nejbert, Krzysztof
    Manby, Geoffrey
    Powiązania:
    https://bibliotekanauki.pl/articles/2051135.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic
    Spitsbergen
    Caledonides
    West Spitsbergen Fold Belt
    palaeo−magnetism
    petrography
    metacarbonates
    metamorphic pyrrhotite
    ferromagnetic carriers
    Źródło:
    Polish Polar Research; 2014, 4; 553-592
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wind wave climate of West Spitsbergen: seasonal variability and extreme events
    Autorzy:
    Wojtysiak, K.
    Herman, A.
    Moskalik, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2079303.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    wave climate
    wind wave
    atmospheric circulation
    seasonal variability
    extreme event
    Svalbard
    West Spitsbergen
    Opis:
    Waves are the key phenomenon directly influencing coastal morphodynamics. Facing insufficient observations, wind wave climate of the west coast of Spitsbergen can be characterized on the basis of the modelled data. Here we have used the results of spectral wave models: Wave Watch III (WW3) hindcast and WAM in ERA-interim (ERAi) reanalysis. We have observed the presence of seasonal cycle with difference of up to 1 m between significant wave heights in summer and winter. In wave-direction analysis we have noticed the southwestern swell component of remarkably narrow width, thus we expect unidirectional swell impact on the coastline. Extreme events analysis revealed that storms occur mainly in winter, but the most energetic ones (significant wave height of up to 9.5 m) occur in spring and autumn. We have identified positive trends in storms’ frequency (2 storms per decade) and storms’ total duration (4 days per decade) on the south of the study area. More storms can result in the increase of erosion rate on the south-western coasts of Spitsbergen, but this change may be highly dependent on the sea ice characteristics. Wave heights of wind sea and swell are correlated with the relevant atmospheric circulation indices, especially the North Atlantic Oscillation. In the recent decade, the correlation is stronger with WW3 than with ERAi data, at some locations explaining over 50% (over 30%) of the total variance of wind sea (swell) wave heights. In ERAi data, the relationship with circulation indices seems sensitive to the length of the analysis period.
    Źródło:
    Oceanologia; 2018, 60, 3; 331-343
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Increases in the temperature and salinity of deep and intermediate waters in the West Spitsbergen Current region in 1997–2016
    Autorzy:
    Merchel, M.
    Walczowski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/2079090.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    climate change
    deep water
    temperature
    salinity
    intermediate water
    West Spitsbergen current
    hydrographic data
    Opis:
    This study investigated the temporal variability in the basic physical properties of deep and intermediate waters in the West Spitsbergen Current region at 76°30’N latitude from 1997 to 2016. Emphasis was placed on quantifying the changes in temperature and salinity and determining the potential drivers of these changes. Hydrographic data were obtained during annual summer cruises aboard the r/v Oceania in the Nordic Seas. The increase in the water temperature, which was especially strong in the western part of the investigated section, was associated with considerable changes in the water layers salinity. The temperature and salinity of the intermediate water increased much faster (0.021°C yr−1 and 0.0022 yr−1, respectively) than those of the deep water (0.009°C yr−1 and 0.0004 yr−1, respectively). The warming rate in the upper 2000 m was also higher than the mean warming rate of the global ocean. The source of the deep water temperature and salinity increases was the deep water inflow from the Arctic Ocean into the Greenland Sea. In contrast, the increase in these properties in the intermediate water was associated with the advection of warmer and more saline Atlantic Water from the North Atlantic to the Nordic Seas.
    Źródło:
    Oceanologia; 2020, 62, 4PA; 501-510
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    ADCP-referenced geostrophic velocity and transport in the West Spitsbergen current
    Autorzy:
    Osinski, R.
    Wieczorek, P.
    Beszczynska-Moller, A.
    Goszczko, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/48340.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Arctic circulation
    Atlantic water
    acoustic Doppler current profiler
    geostrophic flow
    West Spitsbergen current
    Źródło:
    Oceanologia; 2003, 45, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Palaeomagnetism of metacarbonates and fracture fills of Kongsfjorden islands (western Spitsbergen): Towards a better understanding of late- to post-Caledonian tectonic rotations
    Autorzy:
    Michalski, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/2042131.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic
    Svalbard
    metamorphic Caledonian basement
    Eurekan deformations
    West Spitsbergen Thrust and Fold Belt
    palaeomagnetism
    Źródło:
    Polish Polar Research; 2018, 39, 1; 51-75
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Warming of the West Spitsbergen current and sea ice North of Svalbard
    Autorzy:
    Piechura, J.
    Walczowski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/48817.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    sea ice
    ocean circulation
    Nordic Sea
    climate change
    atmospheric circulation
    West Spitsbergen
    Arctic Ocean
    warming
    Opis:
    According to the results of recent research, besides the atmospheric circulation, it is heat transport to the Arctic Ocean (AO) by ocean currents, the West Spitsbergen Current (WSC) in particular, that is playing a significant role in the process of Arctic warming. Data collected by the Institute of Oceanology, Polish Academy of Sciences (IO PAS), in the Norwegian and Greenland Seas, and Fram Strait during the last 20 years reveal considerable changes in the amount of heat transported by the WSC into the Arctic Ocean. An increase in Atlantic Water (AW) temperature and the intensification of heat transport were observed in 2004–06; after this period, both parameters decreased. The aim of this study was to find out whether the fluctuations in heat input by the WSC have influenced the sea-ice distribution around Svalbard. In fact they do, but oceanic heat transport should nonetheless be regarded as just one of many processes influencing sea-ice behaviour.
    Źródło:
    Oceanologia; 2009, 51, 2; 147-164
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of meteorological conditions in Svalbard fjords: Hornsund and Kongsfjorden
    Autorzy:
    Cisek, M.
    Makuch, P.
    Petelski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/47827.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    meteorological parameter
    Arctic fjord
    West coast
    Spitsbergen
    Svalbard Fjord
    Hornsund
    Kongsfjorden
    air temperature
    wind speed
    wind direction
    humidity
    cloud cover
    Opis:
    This paper presents the results of a comparison of basic meteorological parameters in two Arctic fjords situated on the west coast of Spitsbergen, the main island of the Svalbard archipelago. Air temperature, wind speed and direction, humidity and cloud cover from the period 2005 to 2016 are described and compared with previous (from 1975) analyses of meteorological conditions in the investigated region. Such a choice of dates coincides with the time the GAME project measurements were carried out. The main goal of this study was to compare meteorological conditions in two fjords: Hornsund and Kongsfjorden, during the time of rapid climate changes. The results are collated with research results available in literature from previous years. We discovered that in the investigated period the climate of the Hornsund region is more oceanic than in Kongsfjorden. The stable level of the difference in climate elements is manifested and is evident mainly through greater amplitudes in air temperatures in Kongsfjorden, and in stronger winds in Hornsund.
    Źródło:
    Oceanologia; 2017, 59, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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