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Wyszukujesz frazę "North Sea" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Seasonal variability in the Baltic Sea level
Autorzy:
Stramska, M.
Kowalewska-Kalkowska, H.
Swirgon, M.
Powiązania:
https://bibliotekanauki.pl/articles/48431.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
seasonal variability
Baltic Sea
sea level
standard deviation
seasonal cycle
North Sea
satellite altimetry
spatial resolution
temporal resolution
Źródło:
Oceanologia; 2013, 55, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computation of energy for diapycnal mixing in the Baltic Sea due to internal wave drag acting on wind-driven barotropic currents
Autorzy:
Nohr, C.
Gustafsson, B.G.
Powiązania:
https://bibliotekanauki.pl/articles/48609.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Baltic Sea
North Sea
barotropic motion
computation
deep water
halocline
internal wave
saline water
sea level
seasonal thermocline
shallow water
stratification
surface area
turbulent mixing
water exchange
wind force
Opis:
The pathways of energy supply for mixing the deep waters of the Baltic Sea is largely unknown. In this paper, a parameterization of the internal wave drag forces on barotropic motion is developed and implemented into a two-dimensional shallow water model of the Baltic Sea. The model is validated against observed sea levels. The dissipation of barotropic motion by internal wave drag that is quantified from the model results show that breaking internal waves generated by wind forced barotropic motions can contribute significantly to diapycnal mixing in the deep water of the Baltic Sea.
Źródło:
Oceanologia; 2009, 51, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Coldspot of decelerated sea-level rise on the Pacific coast of North America
Autorzy:
Parker, Albert
Powiązania:
https://bibliotekanauki.pl/articles/1052858.pdf
Data publikacji:
2016-09-15
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
sea level
measurements
tide gauges
West Coast of North America
Opis:
We show here the presence of significant “coldspot” of sea level rise along the West Coast of the United States and Canada (including Alaska). The 30-years sea level for the area are mostly falling also at subsiding locations as San Francisco and Seattle where subsidence is responsible for a long term positive rate of rise. The 20 long term tide gauges of the area of length exceeding the 60-years length have a naïve average rate of rise –0.729 mm/year in the update 30-Apr-2015, down from –0.624 mm/year in the update 14-Feb-2014. Therefore, along the West Coast of the United Statesand Canada the sea levels are on average falling, and becoming more and more negative.
Źródło:
Quaestiones Geographicae; 2016, 35, 3; 31-37
0137-477X
2081-6383
Pojawia się w:
Quaestiones Geographicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of global climate oscillations on intermonthly to interannual variability of sea levels along the English Channel Coasts (NW France)
Autorzy:
Turki, I.
Massei, N.
Laignel, B.
Shafiei, H.
Powiązania:
https://bibliotekanauki.pl/articles/2079277.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
sea level
interannual variability
storm
atmospheric circulation
climatic oscillation
sea surface temperature
sea level pressure
North Atlantic oscillation
English Channel
Opis:
This work examines the multiscale variability in sea level along the English Channel coasts (NW France) using a wavelet multiresolution decomposition of water level values and climate oscillations in order to gain insights in the connection between the global atmospheric circulation and the local-scale variability of the monthly extreme surges. Changes in surges have exhibited different oscillatory components from the intermonthly (~3–6-months) to the interannual scales (~1.5-years, ~2–4-years, ~5–8-years) with mean explained variances of ~40% and ~25% of the total variability respectively. The correlation between the multiresolution components of surges and 28 exceptional stormy events with different intensities has revealed that energetic events are manifested at all timescales while moderate events are limited to short scales. By considering the two hypotheses of (1) the physical mechanisms of the atmospheric circulation change according to the timescales and (2) their connection with the local variability improves the prediction of the extremes, the multiscale components of the monthly extreme surges have been investigated using four different climate oscillations (Sea Surface Temperature (SST), Sea-Level Pressure (SLP), Zonal Wind (ZW), and North Atlantic Oscillation (NAO)); results show statistically significant correlations with ~3–6-months, ~1.5-years, ~2–4-years, and ~5–8-years, respectively. Such physical links, from global to local scales, have been considered to model the multiscale monthly extreme surges using a time-dependent Generalized Extreme Value (GEV) distribution. The incorporation of the climate information in the GEV parameters has considerably improved the fitting of the different timescales of surges with an explained variance higher than 30%. This improvement exhibits their nonlinear relationship with the large-scale atmospheric circulation.
Źródło:
Oceanologia; 2020, 62, 2; 226-242
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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