Page 3 - இதழ் ஆஃப் தி ஒலியியல் சமூகம் அமெரிக்கா News Today : Breaking News, Live Updates & Top Stories | Vimarsana

 E-Mail IMAGE: The ProtectedSeas Marine Monitor (M2), an autonomous vessel-tracking system and high-definition camera that researchers used to track boat traffic in San Francisco Bay. A high-speed ferry, which the team found. view more  Credit: ProtectedSeas Palo Alto, CA In a new study, researchers found that recreational boats and high-speed ferries contribute significant underwater noise in San Francisco Bay, a highly urbanized coastline that is increasingly becoming a stop along the migratory routes of gray and humpback whales and home to bottlenose dolphins and harbor porpoises. The study is the first of its kind to use radar to track boats not broadcasting information through the Automatic Identification System (AIS), a navigation safety system required onboard large commercial ships. The findings add to the growing evidence that smaller vessels, which are not required to broadcast data through the AIS, contribute significant underwater noise along urban coastlin

United statesEllen hinesSamantha copeMarine mammal centerSan francisco state university estuary ocean scienceAnthropocene instituteJournal of the acoustical society americaHines labPalo altoSan francisco bayAutomatic identification systemProtectedseas marine monitorCalifornia based anthropocene instituteAcoustical societySan francisco state university estuaryOcean science