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Authors: Boaga, Jacopo* 
Boschi, Lapo* 
Title: Impact of Anthropogenic Activities on Underwater Noise Pollution in Venice
Journal: Water, Air and Soil Pollution 
Series/Report no.: /233 (2022)
Publisher: Springer
Issue Date: Jun-2022
DOI: 10.1007/s11270-022-05653-2
Keywords: Cultural noise
Motorboat noise
Underwater noise
Venice historic center
Subject Classification05.04. Instrumentation and techniques of general interest 
05.06. Methods 
Abstract: We illustrate the implementation and results of a field experiment, consisting of recording continuous signal from a hydrophone 3 m deep in the Venetian lagoon. We simultaneously recorded audio signal through a microphone placed on a nearby pier. We investigate the potential of this simple instrumental setup to explore the small touristic boat traffic contribution to the underwater noise. The ultimate goal of our work is to contribute to quantifying underwater noise pollution due to motorboat passages and its impact on the ecosystem. Efforts such as ours should help to identify measures that could diminish noise pollution, focusing specifically on the aspects that are most disruptive to underwater life. After this preliminary test, more work can be planned, involving the deployment of a larger network of similar instruments around the lagoon. At this point, we can conclude that (i) our instruments are sensitive enough to detect motorboats and identify some of their characteristics; (ii) the area of interest is characterized by a large (approx. 20 dB) day/night difference in ambient noise; and (iii) the historic center of Venice and its immediate surroundings are particularly noisy, in comparison to other similarly studied locations.
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