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Pregled bibliografske jedinice broj: 741325

Investigating and forecasting coastal Adriatic surface currents by using neural networks (NEURAL)


Vilibic, Ivica; Zagar, Nedjeljka; Cosoli, Simone; Dadic, Vlado; Horvath, Kristian; Ivankovic, Damir; Jesenko, Blaz; Mihanovic, Hrvoje; Sepic, Jadranka; Tudor, Martina
Investigating and forecasting coastal Adriatic surface currents by using neural networks (NEURAL) // European Geosciences Union General Assembly 2014 / Sandro Carniel | Co-Conveners: Agustín Sánchez-Arcilla , Judith Wolf , Emil Stanev , Georg Umgiesser (ur.).
Vienna, Austria: Copernicus gmbh, 2014. (poster, međunarodna recenzija, sažetak, znanstveni)


Naslov
Investigating and forecasting coastal Adriatic surface currents by using neural networks (NEURAL)

Autori
Vilibic, Ivica ; Zagar, Nedjeljka ; Cosoli, Simone ; Dadic, Vlado ; Horvath, Kristian ; Ivankovic, Damir ; Jesenko, Blaz ; Mihanovic, Hrvoje ; Sepic, Jadranka ; Tudor, Martina

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
European Geosciences Union General Assembly 2014 / Sandro Carniel | Co-Conveners: Agustín Sánchez-Arcilla , Judith Wolf , Emil Stanev , Georg Umgiesser - Vienna, Austria : Copernicus gmbh, 2014

Skup
European Geosciences Union General Assembly 2014

Mjesto i datum
Beč, Austrija, 27 April – 02 May 2014

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Neural networks; surface currents

Sažetak
We present major components of the project NEURAL (www.izor.hr/neural) funded by the Unity Through Knowledge Fund (www.ukf.hr). The project aims to investigate and to build an efficient and reliable prototype of the ocean surface current forecasting system, based on high-frequency (HF) radar measurements, numerical weather prediction (NWP) model outputs and neural network algorithms (Self-Organising Maps). The Self- Organising Maps (SOM) method, a kind of neural network algorithms that performs a nonlinear smooth mapping of high-dimensional input data into the elements of a low-dimensional array, has previously been used on historical HF radar measurements and NWP Aladin/HR wind fields, which were operational in the northern Adriatic during 2008. It was found that the SOM surface currents patterns and associated SOM surface currents and winds patterns were highly correlated, indicating the predominance of the wind-driven forcing on the measured ocean currents. Therefore, a forecasting system has been proposed, that will use operational NWP products for the Adriatic region, then search for the closest SOM solutions in wind fields and finally to forecast ocean currents by using associated SOM patterns in HF radar currents.

Izvorni jezik
Engleski

Znanstvena područja
Geologija