DEEPEND Blog Introduces Kids to Bioacoustics

24 hr Vertical Migration Pattern of the Deep Scattering Layer in N. Gulf of Mexico

24 hr Vertical Migration Pattern of the Deep Scattering Layer in N. Gulf of Mexico

Another one of the key components to the DEEPEND research is the collection of sound data! It’s called bio-acoustics and it’s another form of taking data that turns sounds into pictures for us to see! Ben, from Florida International University, was on the last cruise working the acoustics and was able to use the data to determine how many organisms were in the water. He is also able to tell us which different organisms were out in the water when he took his data. In order to collect his data, he sends different sound frequencies and pulse lengths through the water to identify fish and crustaceans. He can also track migration patterns of different organisms and is hoping to determine why certain patterns exist.

In the early morning, before the sun has started to rise, a mass migration of organisms swims from the epipelagic layer (sunlight zone) down to the mesopelagic layer (twilight zone). If you need a reminder on the layers of the ocean, you can view it here; http://www.outreach.deependconsortium.org/index.php/kids-blog/entry/diving-into-the-deep

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