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Wyszukujesz frazę "Massel, S." wg kryterium: Autor

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    Tytuł:
    Professor Czesław Druet (1926-2016)
    Autorzy:
    Massel, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/48115.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    biography
    Druet Czeslaw biography
    hydroengineering
    marine research
    scientific expedition
    social activity
    port construction
    Gdansk Port
    Źródło:
    Oceanologia; 2017, 59, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the relationship between wave breaking and marine aerosol concentration in deep sea areas
    Autorzy:
    Massel, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/241034.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Budownictwa Wodnego PAN
    Tematy:
    wave breaking
    marine aerosol concentration
    deep-sea areas
    aerosol fluxes
    Opis:
    Aerosol fluxes from the sea surface are one of the important factors determining the dynamics of the air-sea interaction. Not numerous available data showed that the intensity of aerosol fluxes strongly depends on the intensity of wave breaking. In the paper theoretical formulas to determine the probability of breaking crests and percentage of whitecaps coverage are discussed. These formulas are a starting basis for the set-by-step procedure to determine the aerosol fluxes in deep water under the steady sea state conditions.
    Źródło:
    Archives of Hydro-Engineering and Environmental Mechanics; 2001, 48, 2; 31-45
    1231-3726
    Pojawia się w:
    Archives of Hydro-Engineering and Environmental Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modelling flow in the porous bottom of the Barents Sea shelf
    Autorzy:
    Massel, S.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/48663.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    porous medium
    surface wave
    tide
    Barents Sea
    shelf
    organic carbon
    water transport
    water flow
    meteorological condition
    Źródło:
    Oceanologia; 2013, 55, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the geometry of ocean surface waves
    Autorzy:
    Massel, S.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/48766.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    air-sea interaction
    atmosphere-ocean interaction
    deep water
    dynamic factor
    geometry
    irregular wave
    marine environment
    ocean surface
    regular wave
    shallow water
    surface wave
    water motion
    wave breaking
    wave slope
    Opis:
    The factors influencing the atmosphere-ocean transfer of mass and momentum, as well as incipient wave breaking and the amount of energy dissipated due to breaking, are discussed in detail. In particular, the influence of directional spreading on the statistics of surface wave slopes and the area of the wind- roughened ocean surface is demonstrated. Theoretical analysis and comparison with the available experimental data show that unimodal directional spreading is not able to reproduce the observed ratio of the cross-wind/up-wind mean square slopes. Better agreement is achieved when bimodal directional spreading, consisting of two wrapped-Gaussian distributions, is applied. The bimodal form suggested by Ewans (1998) is used in the paper. Moreover, the formulae developed here show that the increase in the area due to surface waves is rather small for both regular and irregular waves.
    Źródło:
    Oceanologia; 2011, 53, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface waves in deep and shallow waters
    Autorzy:
    Massel, S.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/48826.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    surface wave
    deep
    shallow water
    dynamic factor
    marine environment
    atmosphere-ocean interaction
    ocean form
    air-sea interface
    hydrodynamics
    Opis:
    The motion of water due to surface waves is the most dynamic factor observed in the marine environment. In this review various aspects of the wave modelling of non-linear, steep surface waves and their role in the atmosphere-ocean interaction are discussed. Significant improvements in wave forecasting have been made in the last ten years. This is to a large extent related to substantial progress in the description of wind forcing and other processes, as well as to the more efficient use of satellite observations and assimilation methods. One striking observation is the increasing variety and complexity of models in which more physical processes are implemented, greater precision and resolution achieved and extended ranges of applicability demonstrated. However, in order to evaluate the applicability of particular models, comparison with high quality experimental data, collected in nature or under laboratory conditions, is necessary.
    Źródło:
    Oceanologia; 2010, 52, 1; 5-52
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Circulation of groundwater due to wave set-up on a permeable beach
    Autorzy:
    Massel, S.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/48887.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    groundwater circulation
    water flow
    filtration
    surface wave
    sandy beach
    mathematical modelling
    Opis:
    Sandy beaches are highly exploited but very dynamic and fragile environments. Driven by waves, the water flow through the beach body is able to transport oxygen, and hence help to maintain biological activity in the porous media. The paper presents a theoretical attempt to predict the groundwater circulation due to wave set-up. Two systems of circulations have been discovered, related to two different gradients of the set-up height. For the offshore gradient, the horizontal excess pressure gradient induces flow in the offshore direction. However, closer to the shore, the pressure gradient is reversed and the resulting flow moves shorewards.
    Źródło:
    Oceanologia; 2001, 43, 3; 279-290
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface wave generation due to glacier calving
    Autorzy:
    Massel, S.R.
    Przyborska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/48424.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    surface wave
    glacier
    melting
    climate warming
    water surface
    calving
    geometrical factor
    external factor
    theoretical model
    Źródło:
    Oceanologia; 2013, 55, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wave-induced set-up and flow over shoals and coral reefs. Part 1. A simplified bottom geometry case
    Autorzy:
    Massel, S.R.
    Brinkman, R.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/47564.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    shoal
    hydrodynamics
    coral reef
    shallow
    biological variability
    wave motion
    morphology
    water depth
    linear function
    Opis:
    An analytical approach was used to model the wave-induced set-up and flow through simple shoal geometry when water depth is a linear function of the distance. Two different approaches were applied to parameterize the energy dissipation due to wave breaking. The resulting set-up height and flow velocity were determined and their dependence on the geometry of the shoal and offshore forcing was demonstrated. The extension of the solution to a more complicated bathymetry and verification against the experimental data will be given in the second part of the paper.
    Źródło:
    Oceanologia; 2001, 43, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Run-up of dispersive and breaking waves on beaches
    Autorzy:
    Massel, S.R.
    Pelinovsky, E.N.
    Powiązania:
    https://bibliotekanauki.pl/articles/48764.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    fluctuation
    wave transformation
    filtration
    beach
    sandy beach
    mathematical model
    dispersive wave
    surface wave
    breaking wave
    Opis:
    Transformation of waves on sandy beaches, their breaking, set-up and run-up are the main factors contributing to fluctuations in the water table and groundwater flow. In this paper, the run-up mechanisms have been studied using analytical models. In contrast to the standard models, the waves approaching the shoreline are assumed to be dispersive and the equivalence of the non-linear and linear solutions for the extreme characteristics of wave run-up, such as the height of maximum run-up and the velocity of run-up, are used. A linear system of equations for the run-up of breaking waves is developed. This system is based on the application of the mild-slope equation in the deeper area, where waves are dispersive, while the linear equations of shallow water are applied close to the shoreline, where the water depth is a linear function of distance. The dissipation factor in the shallow water equation has been formulated using its resemblance to the mild-slope equation for a non-permeable sea bottom. Application of the method is illustrated for various bottom profiles and wave characteristics, and theoretical results compared well with experimental data. These solutions of the run-up phenomena will assist future studies on wave-induced beach groundwater flow.
    Źródło:
    Oceanologia; 2001, 43, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experiments on wave motion and suspended sediment concentration at Nang Hai, Can Gio mangrove forest, Southern Vietnam
    Autorzy:
    Hong Phuoc, V.L.
    Massel, S.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/47937.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    subtropical zone
    marine environment
    trophodynamic process
    Vietnam
    mangrove forest
    biogeochemical process
    concentration
    Can Gio area
    wave motion
    suspended sediment
    Opis:
    Biogeochemical and trophodynamic processes as well as hydrodynamic factors play a major role in the structure and function of mangrove ecosystems. This study outlines field experiments on wave motion and suspended sediment concentration carried out at Nang Hai, Can Gio mangrove forest, Southern Vietnam. Pressure sensors were used to measure sea surface elevation, and Optical Backscatter Sensors (OBS) were applied to detect infrared (IR) radiation scattered from suspended particles in order to measure turbidity and suspended sediment concentrations. The experimental results indicate that most of the energy is dissipated inside the mangrove forest as a result of wave-trunk interactions and wave breaking. The suspended sediment concentration depends on wave intensity and tidal current velocity. Wave action is one of the main factors forcing sediment transport and coastal erosion at the study site; even the wave field at the study site is not so strong. The establishment of mangrove vegetation can encourage the deposition of sediment, or at least the retention of the flood-tide sediment influx.
    Źródło:
    Oceanologia; 2006, 48, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Attenuation of wave-induced groundwater pressure in shallow water. Part 2. Theory
    Autorzy:
    Massel, S.R.
    Przyborska, A.
    Przyborski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/48824.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    water pressure
    filtration
    mathematical modelling
    groundwater pressure
    sandy beach
    surface wave
    Źródło:
    Oceanologia; 2005, 47, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Attenuation of wave-induced groundwater pressure in shallow water. Part 1
    Autorzy:
    Massel, S.R.
    Przyborska, A.
    Przyborski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/49074.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    fluctuation
    oceanic water
    attenuation
    filtration
    groundwater pressure
    sandy beach
    beach ecosystem
    surface wave
    shallow water
    Opis:
    A coastal aquifer has a dynamic seaward boundary at the beach face where physical and ecological processes are influenced by oceanic water level fluctuations. Many basic groundwater concepts and the role of the impact of groundwater seepage on beach ecosystems are still poorly understood. Studies are needed to improve our understanding of the relationships between surface and subsurface flow processes on beaches. This is particularly helpful in clarifying the interaction of the physical processes, biodiversity and productivity of sandy beaches, sediment transport and coastal structure stability and modern beach nourishment techniques. As the estimation of infiltration into beach sand is very difficult to carry out under real sea conditions, a control led large-scale laboratory experiment was carried out in the LargeWave Channel in Hannover (Germany) as part of a project supported by the European Community (contract HPRI-CT-2001-00157). First part of the paper describes the technology applied in the experiment and reports some preliminary results.
    Źródło:
    Oceanologia; 2004, 46, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental study of the formation of steep waves and breakers
    Autorzy:
    Massel, S.R.
    Tegowski, J.
    Chomka, M.
    Wichorowski, M.
    Dabrowski, J.
    Stansberg, C.T.
    Moe, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/47742.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    sea surface
    surface wave
    open sea
    surface gravity wave
    wave breaking
    wave formation
    steep wave
    Opis:
    Breaking waves (whitecaps) are one of the most important and least understood processes associated with the evolution of the surface gravity wave field in the open sea. This process is the principal means by which energy and momentum are transferred away from a developing sea. However, an estimation of the frequency of breaking waves or the fraction of sea surface covered by whitecaps and the amount of dissipated energy induced by breaking is very difficult to carry out under real sea conditions. A controlled experiment, funded by the European Commission under the Improving Human Potential Access Infrastructures programme, was carried out in the Ocean Basin Laboratory at MARINTEK, Trondheim (Norway). Simulation of random waves of the prescribed spectra by wave makers provided a very realistic pattern of the sea surface. The number of breaking waves was estimated by photographing the sea surface and recording the noise caused by the breaking waves. The experimental data will serve for calibration of the theoretical models of the sea surface fraction related to the whitecaps.
    Źródło:
    Oceanologia; 2001, 43, 3; 353-363
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Basic for a valuation of the Polish Exclusive Economic Zone of the Baltic Sea: Rationale and quest for tools
    Autorzy:
    Weslawski, J.M.
    Andrulewicz, E.
    Kotwicki, L.
    Kuzebski, E.
    Lewandowski, A.
    Linkowski, T.
    Massel, S.R.
    Musielak, S.
    Olanczuk-Neyman, K.
    Pempkowiak, J.
    Piekarek-Jankowska, H.
    Radziejewska, T.
    Rozynski, G.
    Sagan, I.
    Skora, K.E.
    Szefler, K.
    Urbanski, J.
    Witek, Z.
    Wolowicz, M.
    Zachowicz, J.
    Zarzycki, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/47570.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    marine environment
    erosion
    mineral resource
    biofiltration
    Polish Exclusive Economic Zone
    economic valuation
    Baltic Sea
    ecosystem
    marine ecosystem
    coastal sand
    fish resource
    Opis:
    This paper summarises current knowledge of goods and services in the Polish Exclusive Economic Zone of the Baltic Sea ecosystem. It reviews specific properties of the Baltic that could be used for economic valuation. Goods and services range from the familiar resources of fish and minerals, which were valued with the Productivity Method, to less obvious services provided by the ecosystem such as biofiltration in coastal sands, valued with either the Replacement Cost or Damage Cost Avoided methods. Disservices to the marine ecosystem are also considered, e.g. erosion and coastal flooding, including the costs of planned mitigating measures. This paper emphasises the importance of using valuation methods to help make better-educated decisions for the sustainability of the Baltic Sea.
    Źródło:
    Oceanologia; 2006, 48, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-15 z 15

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