Hushed seas: monitoring underwater noise during COVID-19
Ocean Networks Canada
Published: 13 May 2020
Ocean Networks Canada’s hydrophone data shows a 4–5 decibel drop in underwater noise during COVID-19 shutdowns. This quieter ocean may benefit endangered southern resident killer whales by easing communication, navigation, and hunting.
Keywords: underwater noise, southern resident killer whales, Ocean Networks Canada, hydrophones, acoustic monitoring, marine soundscape, quiet ocean
Craig Smith on whale falls Researcher in Residence: Craig Smith on whale falls
Ocean Networks Canada
Published: 8 April 2020
Craig Smith, ONC’s researcher in residence, is studying deep-sea whale falls to understand benthic ecology. His work uses seafloor cameras to explore how whale carcasses fuel deep-sea life and boost biodiversity.
Keywords: Whale fall, deep-sea ecology, benthic communities, Ocean Networks Canada, biodiversity hotspot, organic fall experiments, marine research
mbridge Bay sea ice freeze-up 2020 Three weeks late: Cambridge Bay sea ice freeze-up 2020
Ocean Networks Canada
Published: 2 December 2020
ONC’s Arctic observatory in Cambridge Bay recorded the latest sea ice freeze-up date in 8 years—27 October 2020—highlighting evidence of climate change and delayed ice formation due to warming Arctic conditions.
Keywords: Arctic climate change, sea ice freeze-up, Cambridge Bay, Ocean Networks Canada, sonar ice profiler, warming trends, ocean monitoring
