Factoid/2009/09/29
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< Beachapedia:Factoid | 2009 | 09
Loud, Harmful Ocean Sounds from Ever-increasing Numbers of Research Vessels, Military Sonar, Shipping, and Offshore Gas and Oil Exploration
- Lee-Ann Ford, ... for Nature Conservation (LINC), says the sound of airgun explosions is 265 decibels at the source, and 110 decibels almost five miles away. The approximate hearing threshold for humans and marine mammals is 110 decibels, so "at [five miles] they're still being deafened," Ford says. - excerpt from this Time Inc. article.
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