Abstract
The ISO TC43/ SC3 standardization committee for underwater acoustics was launched a few years ago, one of the priorities being the availability of internationally agreed procedures to measure radiated noise from ships. A first step was achieved by the publication of a first standard applicable for deep waters. However, in order to study the impact of shipping noise on marine fauna in wide maritime areas, it is necessary to input sound source levels in the form of equivalent monopoles, instead of a “radiated noise level,” which is affected by the interaction with sea surface and sea floor. Therefore, the committee is currently working on correction terms to remove these effects. In that context, the objective of the present study is to determine the influence of sound speed profile and sensor configuration on the sound source level estimation, using numerical simulator. The first case study is the correction term in deep waters: here, we look at the influence of sound speed profile, whereas in previous stu...
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