Like clockwork — and perhaps with a touch of holiday showboating — North Atlantic right whales have begun their annual return to Cape Cod Bay, turning the quiet winter waters into the first chapter of their seasonal story.
Hassler, out of New Castle, New Hampshire, is using advanced multibeam bathymetric sonar technology and backscatter data to create high resolution maps of the seafloor in Cape Cod Bay — to identify any hazards that could pose risks to navigation.