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The study of the sea and its sounds does not prove to be a simple activity. Scientists claim that it is a poorly studied field , requiring short-term work. Many marine species are suffering from pollution not only environmental, but also sound that affects their welfare states . The sea, its natural environment, is also affected by this sound misalignment.
The Technological University, through its Research Group on Energy, Materials and Sustainability, is starting an innovative project in Chubut. That has to do with the development of a marine sound library .
Fieldwork is taking place in the waters of the Nuevo Gulf , located in Puerto Madryn . A whaling businessman, Pinino Orri , is collaborating to make the first sound samples. So, during the departures of his boats, the tourist emperor places hydrophones at fixed points to obtain the samples.
All that sound data is being identified and stored in a database, which will then be formatted as a library . This will be free access to the entire technological and scientific community . Also for curious people, interested in knowing how a boat resounds under the sea, or what is the sound of a whale.
Also called submarine microphones, hydrophones are devices prepared to capture and locate aquatic sounds . These act as electroacoustic transducers, capable of converting sound vibrations, into audible frequencies.
A curious fact about these devices is that, unlike the microphone, they allow to adapt to different pressures in the sea . They usually measure between 30 centimeters and two meters long.
Its function is clear. They allow to capture the sounds of marine fauna , and determine its environment and location . This is very important in the study of protected species . Thanks to hydrophones, the causes of disappearances and/or emerging problems among species can be found in depth.
Publication Date: 14/11/2019
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