self-noise of the acoustic data loggers in the ocean,” he said. “Our customers are in the offshore en-or digital hydrophones available. This Man made noises, he noted, are be- ergy, renewable as well as oil and gas, has been veri? ed by three independent coming an ever increasing concern. ocean science, observatories, research test laboratories. The instrument can be “They are a new pollution of the sea. institutions and also environmental used as a data logger, streaming digital In fact, in Europe, man-made sound is monitoring companies,” he said.hydrophone or both at the same time.” of? cially a pollutant. That came about Sounds impact sea mammals. During “Users of the icListen Smart Hydro- because of the busy shipping lanes.” construction or pile driving in the ocean phones are looking for precise measure- He said the noise is interference to the or in harbours, regulations dictate how ment of sounds whether that is mam- signals of whales and porpoises within loud sounds can be to protect sea life. mals, ? sh, crustaceans and other aquatic their communities. The hydrophone can be set up to moni-life, ships and boats, wave and wind, Ocean Sonics has a variety of custom- tor these sounds and ensure they do not seismic, pile driving and air guns or ers around the globe with the majority exceed required limits.other anthropogenic (man-made) noise working with ocean sound. In a testimonial on the Ocean Sonics’ instruments, Ross Chapman, equipment Professor Emeritus at the University of Victoria, BC, wrote: “I have used many different hydrophones on different sys-tems but these icListen hydrophones are the best I’ve seen in many years. They’re calibrated to very low frequen-cies where I have never been able to get reliable data.” As is the case in most industry, Ocean Sonics has its challenges.Visit our team at Oceans ’14 Booth #61 to discuss your applicationSeptember 201450 MTRNEW PAGE 50.indd 50 NEW PAGE 50.indd 50 8/28/2014 5:47:10 PM8/28/2014 5:47:10 PM