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Wyszukujesz frazę "circulation model" wg kryterium: Temat

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    Wyświetlanie 1-9 z 9
    Tytuł:
    Investigating the role of air-sea forcing on the variability of hydrography, circulation, and mixed layer depth in the Arabian Sea and Bay of Bengal
    Autorzy:
    Srivastava, A.
    Dwivedi, S.
    Mishra, A.K.
    Powiązania:
    https://bibliotekanauki.pl/articles/48693.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    seasonal variability
    hydrography
    circulation
    Arabian Sea
    Bengal Bay
    general circulation model
    Źródło:
    Oceanologia; 2018, 60, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Upwelling dynamics in the Baltic Sea studied by a combined SAR-infrared satellite data and circulation model analysis
    Autorzy:
    Gurova, E.
    Lehmann, A.
    Ivanov, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/48338.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Baltic Sea
    coastal upwelling
    MODIS satellite image
    circulation model
    synthetic aperture radar
    sea surface temperature
    wind stress
    Źródło:
    Oceanologia; 2013, 55, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Vulnerability assessment of Southern coastal areas of Iran to sea level rise: evaluation of climate change impact
    Autorzy:
    Goharnejad, H.
    Shamsai, A.
    Hosseini, S.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/48331.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    climate change
    sea level rise
    coastal area
    Iran
    general circulation model
    sea-level change
    artificial intelligence
    artificial neural network
    hydrological model
    Źródło:
    Oceanologia; 2013, 55, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wave-induced bottom shear stress estimation in shallow water exemplified by using deep water wind statistics
    Autorzy:
    Myrhaug, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/47582.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    shallow water
    deep water
    wind
    water
    circulation model
    shear stress
    mud deposit
    coastal zone
    estuarine zone
    bottom sediment
    Opis:
    The paper provides a simple and analytical method which can be used to give estimates of the wave-induced bottom shear stress for very rough beds and mud beds in shallow water based on wind statistics in deep water. This is exemplified by using long-term wind statistics from the northern North Sea, and by providing examples representing realistic field conditions. Based on, for example, global wind statistics, the present results can be used to make estimates of the bottom shear stress in shallow water.
    Źródło:
    Oceanologia; 2017, 59, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Attributing mean circulation patterns to physical phenomena in the Gulf of Finland
    Autorzy:
    Westerlund, A.
    Tuomi, L.
    Alenius, P.
    Miettunen, E.
    Vankevich, R.E.
    Powiązania:
    https://bibliotekanauki.pl/articles/47684.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    circulation
    Finland Gulf
    Baltic Sea
    physical phenomenon
    hydrodynamic model
    HIRLAM model
    NEMO model
    Opis:
    We studied circulation patterns in the Gulf of Finland, an estuary-like sub-basin of the Baltic Sea. According to previous observations and model results, the long-term mean circulation in the gulf is cyclonic and mainly density driven, whereas short-term circulation patterns are wind driven. We used the high-resolution 3D hydrodynamic model NEMO to simulate the years 2012–2014. Our aim was to investigate the role of some key features, like river runoff and occasional events, in the formation of the circulation patterns. Our results show that many of the differences visible in the annual mean circulation patterns from one year to another are caused by a relatively small number of high current speed events. These events seem to be upwelling-related coastal jets. Although the Gulf of Finland receives large amounts of fresh water in river runoffs, the inter-annual variations in runoff did not explain the variations in the mean circulation patterns.
    Źródło:
    Oceanologia; 2018, 60, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Groundwater flow modelling of main groundwater reservoirs in the Gdańsk region, Poland
    Autorzy:
    Kordalski, Z.
    Sadurski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/94308.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    groundwater flow model
    vertical circulation of groundwater
    Gdańsk
    model przepływu wód podziemnych
    wody gruntowe
    Opis:
    During the last nine years, the 133 main groundwater reservoirs in Poland (MGR) have been documented; these were published last year. Some of these are situated in the coastal zone of the southern Baltic Sea. MGR numbers 111 and 112 are in the Gdańsk area and are discussed in the present paper. The study area is situated on the border region of the moraine plateau of the Cashubian Lakeland, the western part of the Vistula River delta plain and the Bay of Gdańsk. The area of the main groundwater reservoir in no. 112 is developed in Quaternary strata and referred to as Żuławy Gdańskie; it comprises predominantly the city of Gdańsk and slightly exceeds 100 km2. There is also a Cretaceous aquifer, rich in groundwater resources, which is named MGR no. 111, beneath the Quaternary reservoir mentioned above. The area studied and modelled totalled 364 km2, on account of the hydraulic connection between these aquifers. Methods of hydrogeological research, groundwater flow simulations, resources calculation are outlined in the present paper.
    Źródło:
    Geologos; 2018, 24, 3; 217-224
    1426-8981
    2080-6574
    Pojawia się w:
    Geologos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of a sigma-coordinate baroclinic model to the Baltic Sea
    Autorzy:
    Jankowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/47974.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    thermohaline variability
    numerical modelling
    sigma-coordinate model
    Baltic Sea
    water circulation
    hydrological parameter
    Źródło:
    Oceanologia; 2002, 44, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    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:
    Temporal variation of extreme precipitation events in Lithuania
    Autorzy:
    Rimkus, E.
    Kazys, J.
    Bukantis, A.
    Krotovas, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/48347.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    atmospheric circulation
    CCLM model
    climate condition
    dynamics
    heavy rain
    Lithuania
    negative change
    precipitation
    regional modelling
    spatial distribution
    Opis:
    Heavy precipitation events in Lithuania for the period 1961–2008 were analysed. The spatial distribution and dynamics of precipitation extremes were investigated. Positive tendencies and in some cases statistically significant trends were deter- mined for the whole of Lithuania. Atmospheric circulation processes were derived using Hess & Brezowski’s classification of macrocirculation forms. More than one third of heavy precipitation events (37%) were observed when the atmospheric circulation was zonal. The location of the central part of a cyclone (WZ weather condition subtype) over Lithuania is the most common synoptic situation (27%) during heavy precipitation events. Climatic projections according to outputs of the CCLM model are also presented in this research. The analysis shows that the recurrence of heavy precipitation events in the 21st century will increase significantly (by up to 22%) in Lithuania.
    Źródło:
    Oceanologia; 2011, 53, (1-TI)
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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