The project enhanced the observational capability of the mooring L part of the MORSea infrastructure in order to acquire over an extended period, including during the winter months, information on both the marine environment in an unperturbed ocean landscape and the migratory movements of zooplankton, creating a unique acoustic dataset for the study of the Ross Sea sound budget. The use of passive acoustic system will provide data of underwater sounds whose interactions could provide relevant elements for increasing knowledge of the Antarctic ecosystem of the marine protected area.

To calculate SPL, we take the ratio of the sound pressure to the reference level of sound pressure and we take the logarithm (base 10) of that ratio, then we multiply by 20.

ISO 19139

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