Beamreach has published sound patterns from the Salish Sea Hydrophone Network that appears to show active sonar blasts that could seriously impact Orcas and other marine mammals. The Navy has stated that it would avoid this kind of behavior, and we are awaiting word from them that they either mistakenly did this, or will stop it. To be clear, the intensity of these pings have scientists worried about injury to the whales.
With transient killer whales in the area and the whereabouts of J and L pods (and their many newborns!) unknown, we were concerned to hear that active sonar was utilized late in the morning on Wednesday, January 13, in Haro Strait — critical habitat for species in both Canada and the U.S. At the same time, military training activities were planned or taking place on both sides of the border. This is what is sounded like — – See more at: http://www.beamreach.org/2016/01/14/navy-starts-2016-pinging-in-the-pool#sthash.tUSgcTV7.dpuf
http://www.beamreach.org/2016/01/14/navy-starts-2016-pinging-in-the-pool