To do this, they are deploying an acoustic monitoring buoy to the New York Bight, the coastal waters between the eastern tip of Long Island and the Cape May inlet of New Jersey.
This 4-foot wide buoy was engineered by Dr. Mark Baumgartner. It will sit on the sea floor and its mast will project 6 feet above the surface of the water. Inside the buoy, there is a hydrophone, which is how scientists will listen to whales swimming close by.
The New York Bight region is the home to 7 species of whales, including the blue whale (the world’s largest animal) and the humpback whale (renown famed for its beautiful songs). Also spotted in the area are fin, sei, minke, baleen, sperm whales, and endangered North Atlantic right whales. There are only about 450 North Atlantic right whales left in the wild because they were once hunted to near-extinction.
The acoustic monitoring buoy device listening for these whales will work in near real-time. When the whales vocalize, the sounds will be picked up by the hydrophone, transported through “stretch hoses” to an onshore satellite, then sent to a WHOI computer. Julianne Gurnee, a member of the Passive Acoustic Research Group, will then listen to the sounds and identify each of the species from their calls.
Similar devices are already being used today in Massachusetts and Maine, but this will be the first time one is used in New York. The New York buoy’s exact location will be 22 miles south of Fire Island, nestled between 2 major shipping lanes entering the New York Harbour.
Researchers know that high shipping traffic and loud ocean sounds have a profound effect on whales, especially since whales rely so heavily on their voices for socialisation and navigation. Human activities, like the use of sonar, are harming the animals and degrading their habitat. So, the research team hopes that this new buoy will give them a better understanding of just how debilitating these threats are in New York waters. They also hope that this information will be useful in improving whale conservation efforts.
In addition, the National Oceanic and Atmospheric Administration (NOAA) is planning to team up with WHOI to release another device, called the wave glider, in the near future. The wave glider will be an aquatic vehicle with the same real-time technology as the buoy, but it will be powered by wave and sun energy. This too could help scientists collect more information about whales in the New York Bight and help protect protect them.
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