Wszystkie pola: HIRLAM model - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A comparison of ASCAT wind measurements and the HIRLAM model over the Baltic Sea
Autorzy:: Sluzenikina, J.
Mannik, A.
Powiązania:: https://bibliotekanauki.pl/articles/48369.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:: backscattering
Baltic Sea
HIRLAM model
numerical weather prediction
ocean surface
sea surface
stormy season
wind direction
wind field
wind scatterometer
wind speed
Opis:: This paper presents a comparison of the wind data measured by the ASCAT polar-orbiting satellite scatterometer and winds forecast by the numerical weather prediction model HIRLAM in the Baltic Sea region during the stormy season in 2009. Two different resolution models were used in the comparison. Mutual quality and uncertainty characteristics of the measurements and predictions are determined. The results of the study show that the ASCAT wind data are well correlated with the HIRLAM predicted winds, which raises the credibility of both data sources in operational and hindcasting applications over the Baltic Sea. A case of phase error in a HIRLAM forecast of cyclonic activity over the Baltic Sea is discussed.
Źródło:: Oceanologia; 2011, 53, (1-TI)
0078-3234
Pojawia się w:: Oceanologia
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

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

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