Autonomous Real-time Marine Mammal Detections

Woods Hole Oceanographic Institution

Cabot Strait, Gulf of St. Lawrence, Canada, April 2022

Study objectives

A Teledyne Webb Research Slocum G3s glider equipped with passive acoustic listening device (DMON/LFDCS) was deployed in the Laurentian Channel region of the Gulf of St. Lawrence (GoSL) for a ~two month mission. The purpose of this mission is to monitor for North Atlantic right whales during their spring migration through the Cabot Strait Voluntary Slowdown Area.

Principal Investigators: Kim Davies (University of New Brunswick)

Analysts: Allison Richardson, Kim Davies, and Kate Indeck (University of New Brunswick)

Platform location:

Analyst-reviewed species occurrence maps:

Daily analyst review:

DateSei whaleFin whaleRight whaleHumpback whaleBlue whale

Possibly detected
Not detected

Time series:

Diel plot:

Recent bacgkground noise:

Links to detailed information:

Automated detection data

DMON/LFDCS Diagnostics

Platform diagnostics


Please email Mark Baumgartner at For a general desciption of the detection system and the autonomous platforms, visit


The G3s glider was expertly prepared by Teledyne Webb Research and the Coastal Environmental Observation Technology and Research (CEOTR) group ( Financial support for the deployment and operation of the glider was provided Transport Canada's Innovation Centre. Additional logistical support for the mission was provided by Woods Hole Oceanographic Institution, University of New Brunswick, Teledyne Webb Research, Dalhousie University, Ocean Tracking Network, and the Ocean Frontiers Institute.