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Pregled bibliografske jedinice broj: 341645

Zbornik radova

Autori: Rixen, M.; Carta, A.; Grandi, V.; Gualdesi, L.; Ranelli, P.; Book, J.; Martin, P.; Preller, R.; Oddo, P.; Pinardi, N.; Guarnieri, A; Chiggiato, J.; Carniel, S.; Russo, Aleksandar; Orlić, Mirko; Tudor, Martina; Vandenbulcke, L.; Lenartz, F.; DART consortium
Naslov: Operational oceanography in the coastal region using multi-model super-ensembles
( Operational oceanography in the coastal region using multi-model super-ensembles )
Izvornik: Abstracts of the EGU General Assembly 2008 ; u: Geophysical Research Abstracts 10 (2008)
ISSN: 1029-7006
Skup: EGU General Assembly 2008
Mjesto i datum: Beč, Austrija, 13.-18.04.2008.
Ključne riječi: operational oceanography; coastal region
( operational oceanography; coastal region )
Sažetak:
Multi-model Super-Ensembles (SE) aiming at combining optimally different models have been shown to improve significantly atmospheric weather predictions. In the coastal ocean, complex, yet poorly understood dynamics, the presence of small-scales processes, the lack of real-time data and limited reliability of operational models so far prevented the application of SE methods. Here, we report results from state - of - the - art super-ensemble techniques based on dynamic combinations of SEPTR [a trawlresistant bottom mounted platform transmitting in near real-time] data and a series of eight operational models ran during an experiment in a coastal area in the Adriatic Sea. Kalman filter and Particle filter based methods which allow for dynamic evolution of weights and associated uncertainty show increased skill (+10%) as compared to single models. The latter method copes with non Gaussian error statistics and reduces the uncertainty by a further 30%.
Vrsta sudjelovanja: Predavanje
Vrsta prezentacije u zborniku: Sažetak
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 119-1193086-3085, 004-1193086-3036
Izvorni jezik: eng
Kategorija: Znanstveni
Znanstvena područja:
Geologija
URL Internet adrese: http://www.geophysical-research-abstracts.net/gra_volume_10.pdf
Upisao u CROSBI: mpavic@geolpmf.hr (mpavic@geolpmf.hr), 7. Svi. 2008. u 11:08 sati



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