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2024 Update to: Technical Guidance for Assessing the Effects of Anthropogenic Sound on Marine Mammal Hearing (Version 3.0): Underwater and In-Air Criteria for Onset of Auditory Injury and Temporary Threshold Shifts
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2024
[PDF-4.62 MB]
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Description:This document provides technical updates and replaces the NMFS 2018 Revised Technical Guidance and is to be used for assessing the effects of underwater and in-air anthropogenic (human-made) sound on the hearing of marine mammal species under the jurisdiction of the National Marine Fisheries Service (NMFS). Specifically, it identifies the received levels and auditory weighting functions, or criteria, at which individual marine mammals are predicted to experience changes in their hearing sensitivity (either temporary or permanent) for acute (<24 hours), incidental exposure to underwater or in-air anthropogenic sound sources based on updated information.
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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