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    Wyświetlanie 1-11 z 11
    Tytuł:
    Atmosfernaja cirkuljacija v severnom polusharii i uglovojj moment vrashhenija zemli
    Atmospheric circulation in Northern hemisphere and global angular momentum
    Autorzy:
    Kholopcev, A.
    Nikiforova, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/77190.pdf
    Data publikacji:
    2015
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    atmospheric circulation
    Northern hemisphere
    correlation analysis
    ocean surface
    surface temperature
    Atlantic Ocean
    Źródło:
    Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 1
    1730-8658
    Pojawia się w:
    Motrol. Motoryzacja i Energetyka Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Modelling of seafloor multiples observed in OBS data from the North Atlantic - new seismic tool for oceanography?
    Autorzy:
    Grad, Marek
    Mjelde, Rolf
    Czuba, Wojciech
    Guterch, Aleksander
    Schweitzer, Johannes
    Ipy Project Group, -
    Powiązania:
    https://bibliotekanauki.pl/articles/2051512.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic
    Atlantic Ocean
    controlled source seismology
    ocean bottom seis−mometers
    wave propagation
    seafloor multiples
    Źródło:
    Polish Polar Research; 2011, 4; 375-392
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geodynamic setting of Scotia Sea and its effects on geomorphology of South Sandwich Trench, Southern Ocean
    Autorzy:
    Lemenkova, Polina
    Powiązania:
    https://bibliotekanauki.pl/articles/2041769.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    South Atlantic Ocean
    Scotia Sea Plate
    deep-sea trench
    GMT
    geology
    cartography
    Źródło:
    Polish Polar Research; 2021, 42, 1; 1-23
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Iceberg Melting and Climate Change in NW Atlantic Waters
    Autorzy:
    Perez-Gruszkiewicz, S.E.
    Peterson, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/117122.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Arctic shipping
    climate change
    Iceberg
    Atlantic Ocean
    NW Atlantic
    iceberg melting
    Labrador
    International Ice Patrol (IIP)
    Opis:
    Climate change is predicted to cause increases in sea surface temperature (SST), as well as decreases in sea-ice cover, wind and current velocities. These changes will have a marked effect on iceberg melting in the shipping lanes off Newfoundland and Labrador, Canada. Icebergs that today can cross from northern Labrador to Newfoundland without melting will in the future have to be much larger to survive the transit. For example, icebergs at N Labrador in December of 2016 that are smaller than 156 m will melt before reaching 48N, but in year 2100 the length increases to 228 m. In addition, if future iceberg size distributions off Labrador are the same as today, icebergs will experience roughly 50% reductions in numbers in the NW Atlantic shipping lanes by year 2100. The increased melting rates are due to, in order of importance, increased sea-surface temperatures (responsible for 66% of the increase in the minimum transit size), decreasing current velocities (31%), and decreasing sea-ice cover (3%). Decreasing sea-ice tends to increase wave heights as well as accelerate the effects of wave erosion; however, for the areas studied the wave height is predicted to decrease moderately in year 2100, by a maximum of about 10% in December.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 3; 459-467
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The sinking of another Tristan da Cunha moss endemic and its phytogeographical consequences
    Autorzy:
    Ochyra, R.
    Plasek, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/2130713.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Afro-American disjuncts
    amphi-Atlantic distribution
    Bryophyta
    Musci
    phytogeography
    Atlantic Ocean
    southern cool-temperate zone
    taxonomy
    Opis:
    The original material of Isopterygium tristaniense Dixon, an endemic species of the Tristan da Cunha archipelago in the central South Atlantic Ocean, is taxonomically evaluated and some details of its morphology are illustrated. The species is found to be conspecific with the Holarctic Pseudotaxiphyllum elegans (Brid.) Z. Iwats. and this is the third record of the species in the Southern Hemisphere. The global distribution of this species is reviewed, and the distribution patterns of the South Atlantic mosses are briefly discussed.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2020, 89, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Orientirovochnye prognozy kharakteristic skorosti vetra v Evrope s uchetom izmenchivosti raspredelenija poverkhnostnykh temperatur Severnojj Atlantiki na primere Severnogo Prichernomorja
    Projections of wind speed characteristics in Europe with the accounting apportionment superficial temperatures in North Atlantic an example of Black Sea
    Autorzy:
    Kholopcev, A.
    Akcenova, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/76861.pdf
    Data publikacji:
    2013
    Wydawca:
    Komisja Motoryzacji i Energetyki Rolnictwa
    Tematy:
    forecasting
    wind speed
    temperature
    surface water
    North Atlantic Ocean
    Black Sea
    multiple regression model
    correlation
    identification
    Opis:
    On the example of the Northern Black Sea Coast representative items shown that allowance for the identification of predictive multiple-regression models of the interannual variability of SST anomalies identified variations in the North Atlantic waters, enables efficient evaluation of monthly mean values of wind speed with a lead time of at least 3 years.
    Źródło:
    Motrol. Motoryzacja i Energetyka Rolnictwa; 2013, 15, 5
    1730-8658
    Pojawia się w:
    Motrol. Motoryzacja i Energetyka Rolnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Diffusive component of the vertical flux of particulate organic carbon in the North polar Atlantic
    Autorzy:
    Stramska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/48240.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    organic matter
    ocean colour
    nutrient
    inorganic carbon
    remote sensing
    particulate organic carbon
    Atlantic Ocean
    vertical flux
    phytoplankton
    solar energy
    photosynthesis
    Opis:
    The diffusive component of the vertical flux of particulate organic carbon (POC) from the surface ocean layer has been estimated using a combination of the mixed layer model and ocean color data from the SeaWiFS satellite. The calculations were carried out for an example location in the north polar Atlantic centered at 75◦N and 0◦ E for the time period of 1998–2004. The satellite estimates of surface POC derived using a regional ocean color algorithm were applied as an input to the model driven by local surface heat and momentum fluxes. For each year of the examined period, the diffusive POC flux was estimated at 200-m depth from April through December. The highest flux is generally observed in the late fall as a result of increased heat loss and convectional mixing of surface waters. A relatively high diffusive POC flux is also observed in early spring, when surface waters are weakly stratified. In addition, the model results demonstrate significant interannual variability. The highest diffusive POC flux occurred in 1999 (about 4500 mg m−2 over the 9-month period). In 1998 and 2002 the estimated flux was about two orders of magnitude lower. The interannual variability of the diffusive POC flux is associated with mixed layer dynamics and underscores the importance of atmospheric forcing for POC export from the surface layer to the ocean’s interior.
    Źródło:
    Oceanologia; 2006, 48, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An overview of the teta - S correlations in Fram Strait based on the MIZEX 84 data
    Autorzy:
    Schlichtholz, P.
    Houssais, M.N.
    Powiązania:
    https://bibliotekanauki.pl/articles/47520.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    temperature
    Fram Strait
    Atlantic water
    hydrographic cast
    MIZEX 84 experiment
    teta-S diagram
    water mass
    salinity
    Arctic Ocean
    Opis:
    The water masses in Fram Strait have been analyzed on the basis of hydrographic casts taken in summer 1984 during the MIZEX 84 experiment. In particular, θ − S diagrams for 16 areas, each 5◦ in longitude and 1◦ in latitude, covering the strait from 77◦N to 81◦ N are used to characterize the water masses and discuss their possible origin. Near the surface, the East Greenland Polar Front clearly separates the lighter, cold and fresh Polar Water (PW) from the heavier, warm and saline Atlantic Water (AW). In the upper ocean, the data show a large spreading of the temperature maximum in the θ − S space associated with different modes of the AW recirculating southward below the PW. Two geographically distinct salinity minima are found in the intermediate layer below the AW. The denser one, in the Boreas Basin, is a feature typical of the Arctic Intermediate Water (AIW) formed by winter convection to the south of the strait, while the lighter one is sandwiched in the Arctic Ocean outflow between the AW layer and the Upper Polar Deep Water (UPDW) characterized by a downward salinity increase. In the deep layer, two salinity maxima are present. The shallower (and warmer) one, associated with the Canadian Basin Deep Water (CBDW), appears all along the East Greenland Slope. A similar but weaker maximum is also found in the southeastern part of the strait. This maximum is perhaps a remnant of the maximum in the East Greenland Current after it has been recirculated back to the strait around the cyclonic gyres of the Nordic Seas. The deeper one appears typically as a near-bottom salinity jump characteristic of the Eurasian Basin Deep Water (EBDW). The jump is found in two distinct areas of the strait, to the north-west in the Lena Trough and to the south-east in the rift valley of the Knipovich Ridge. The maximum in the former area should have been advected from the Arctic Ocean below the CBDW, while the maximum in the latter area might have originated from haline convection on the adjacent shelves. Some EBDW is trapped in the Molloy Deep over a denser water with salinity decreasing down to the bottom and temperature in the range of the Greenland Sea Deep Water (GSDW).
    Źródło:
    Oceanologia; 2002, 44, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of master’s route selection criteria of vehicle carriers in North Pacific and North Atlantic using satellite AIS and Ocean wave data
    Autorzy:
    Fujii, M.
    Hashimoto, H.
    Taniguchi, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/116274.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    AIS Assisted Services
    Route Selection
    Route Selection Criteria
    Satellite AIS
    Ocean Wave Data
    Automatic Identification System (AIS)
    North Pacific
    North Atlantic
    Opis:
    The operational measures in which a ship needs to avoid specified areas to escape ship stability failures were discussed at the International Maritime Organization as a part of the second generation intact stability criteria. It is necessary that the rationality and practicality of the operational measures are carefully investigated. In this study, master’s route decision-making criteria of trans-ocean vehicle carriers have been clarified by comparing the Pacific and the Atlantic data, derived from Satellite AIS and ocean wave data. Features of voyage routes of each ocean were discussed, followed by analysis of the encountered wave direction and height during a voyage. The master’s route selection criteria were defined by comparing the probability densities of the wave heights that occurred in the navigable area and that of the actual encountered waves. The navigation hours in a stormy area were also studied.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 137-141
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Decadal fluctuations in North Atlantic water inflow in the North Sea between 1958-2003: impacts on temperature and phytoplankton populations
    Autorzy:
    Leterme, S.C.
    Pingree, R.D.
    Skogen, M.D.
    Seuront, L.
    Reid, P.C.
    Attrill, M.J.
    Powiązania:
    https://bibliotekanauki.pl/articles/48966.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    phytoplankton
    continental slope
    ocean circulation
    plankton
    Atlantic water
    plankton community
    climate
    temperature
    dynamics
    fluctuation
    pelagic ecosystem
    North Sea
    circulation
    population
    sea surface temperature
    Opis:
    The circulation of Atlantic water along the European continental slope, in particular the inflow into the North Sea, influences North Sea water characteristics with consequent changes in the environment affecting plankton community dynamics. The long-term effect of fluctuating oceanographic conditions on the North Sea pelagic ecosystem is assessed. It is shown that (i) there are similar regime shifts in the inflow through the northern North Sea and in Sea Surface Temperature, (ii) long-term phytoplankton trends are influenced by the inflow only in some North Sea regions, and (iii) the spatial variability in chemicophysical and biological parameters highlight the influence of smaller scale processes.
    Źródło:
    Oceanologia; 2008, 50, 1; 59-72
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Temporal and spatial changes in the bio-optical properties of seawater in the Nordic Seas – AREX’2003 and 2006
    Autorzy:
    Drozdowska, V.
    Paryvkina, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/47895.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Atlantic water
    bio-optical property
    chlorophyll
    fluorescence
    Nordic Sea
    ocean circulation
    organic matter
    oxygen
    phytoplankton
    sea water
    shelf water
    spatial change
    Svalbard Islands
    temporal change
    water mass
    Opis:
    For many years the Nordic Seas have been the subject of research into ocean circulation carried out by the Institute of Oceanology PAS, especially the inflow of Atlantic water and the intensive turbulent mixing of these waters with Arctic and shelf waters. Ocean currents affect various biological processes, among them the supply of organic matter and oxygen, which constitute the foundation for the unique flora and fauna of the Svalbard islands. Spectrophotometric examinations of surface waters using an M32 B spectroflu- orophotometer (LDI Ltd.) were carried out repeatedly during Arctic cruises on board r/v ‘Oceania’. The results presented in this paper come from the AREX campaigns of 2003 and 2006. Analysis of the chlorophyll a fluorescence excitation spectra recorded shows an increase in phytoplankton abundance and the changes in the spatial distribution of the phytoplankton species characteristic of Atlantic, Arctic and shelf waters. The spatial patterns of the phytoplankton pigments and their abundance were compared with the physical characteristics of water masses. The analysis confirmed that phytoplankton species move together with the Atlantic water as this flows into northern latitudes.
    Źródło:
    Oceanologia; 2011, 53, 3
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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