by crabman | Apr 16, 2014 | SEA Publications
On behalf of my co-authors, I would like to let you know about a new paper on the audibility of high frequency sonar systems to some marine mammals. We investigated the acoustic “leakage” of energy into side lobes from the 200 kHz center frequency of three...
by crabman | Apr 16, 2014 | SEA News
The International Maritime Organization (IMO) recently adopted guidelines to reduce underwater noise from commercial ships. The new guidelines: recognize that shipping noise can have short-term and long-term impacts on marine life; call for measurement of shipping...
by crabman | Apr 11, 2014 | SEA Publications
We are very happy to announce the recent publication on hearing and the masking effects of noise in spotted seals. This is the first-ever such measurement of hearing in this species both in air and under water. This study was conducted in highly controlled and quiet...
by crabman | Feb 4, 2014 | SEA Publications
SEA Blog, A paper was on responsible practices for conducting seismic surveys in environmentally sensitive areas was published recently in Aquatic Mammals. The lead author was Dr. Doug Nowacek from Duke University’s Marine Laboratory, who is a close colleague of SEA’s...
by crabman | Oct 14, 2013 | SEA News
We have come to the end of field operations for the SOCAL Behavioral Response Study in 2013 (SOCAL-13). It was a very busy field season with four different periods, each with a slightly different set of objectives and configurations. In May we based from San Clemente...