On the morning of July 3 2004 there was an agitated aggregation of Melon Headed whales in Hanalei Bay, Hawai’i. This event was concurrent to the RIMPAC international naval exercise which happens every two years. As is typical with these tragic events, the US Navy rolled up their collective sleeves and focused on how to [...]
Read More» Posted by mstocker | 0 comments“The July 13 Federal Register reported that the Navy wants NMFS to permit up to 14 dead marine mammals from its proposed sonar use up to 250 miles from the Northwest coast…” In ongoing discussions about defining the Pacific Northwest warfare training ground, NMFS is being asked to weigh in on sonar guidelines. The entire [...]
Read More» Posted by mstocker | 0 commentsThe mass stranding event (MSE) in Cornwall UK last year points to Navy sonar. But if you read through the very comprehensive report you can see why it is difficult to arrive at unimpeachable scientific conclusions. The report is here: http://randd.defra.gov.uk/Document.aspx?Document=WC0601_8031_TRP.pdf The quote from the report conclusion states: “A period of naval exercises involving a [...]
Read More» Posted by mstocker | 0 commentsYet another unfortunate event involving whales and mid-frequency sonar; two minke whales were seen “porpoising” at high speeds in waters where military operations were taking place. Observers also heard extremely loud sonar concurrent to the sightings. Minke whales are the smallest of the baleen whales, reaching a bit over 30 ft. in length. Porpoising is [...]
Read More» Posted by mstocker | 0 commentsAcoustical energy moves through water much more efficiently than in air because water is not compressible.
Ocean Noise Blog
