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Authors: Viola, Salvo* 
Grammauta, R.* 
Sciacca, Virginia* 
Bellia, G.* 
Beranzoli, Laura* 
Buscaino, G.* 
Caruso, F.* 
Chierici, Francesco* 
Cuttone, G.* 
D’Amico, A.* 
De Luca, V.* 
Embriaco, Davide* 
Favali, Paolo* 
Giovanetti, Gabriele* 
Marinaro, Giuditta* 
Mazzola, A.* 
Filiciotto, Francesco* 
Pavan, Gianni* 
Pellegrino, C.* 
Pulvirenti, S.* 
Simeone, F.* 
Speziale, F.* 
Riccobene, Giorgio* 
Title: Continuous monitoring of noise levels in the Gulf of Catania (Ionian Sea). Study of correlation with ship traffic
Issue Date: 15-Aug-2017
Series/Report no.: /121 (2017)
DOI: 10.1016/j.marpolbul.2017.05.040
Keywords: Shipping noise
Ionian Sea
EU marine strategy
Deep-sea cabled observatory
Abstract: Acoustic noise levels were measured in the Gulf of Catania (Ionian Sea) from July 2012 to May 2013 by a low frequency (<1000Hz) hydrophone, installed on board the NEMO-SN1 multidisciplinary observatory. NEMO-SN1 is a cabled node of EMSO-ERIC, which was deployed at a water depth of 2100m, 25km off Catania. The study area is characterized by the proximity of mid-size harbors and shipping lanes. Measured noise levels were correlated with the passage of ships tracked with a dedicated AIS antenna. Noise power was measured in the frequency range between 10Hz and 1000Hz. Experimental data were compared with the results of a fast numerical model based on AIS data to evaluate the contribution of shipping noise in six consecutive 1/3 octave frequency bands, including the 1/3 octave frequency bands centered at 63Hz and 125Hz, indicated by the Marine Strategy Framework Directive (2008/56/EC).
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