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Scientists of FEFU and Harbin University have begun to test the subglacial connection for the Arctic - EastRussia | Far East

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Scientists of FEFU and Harbin University have started tests of subglacial communication for the Arctic

Scientists of FEFU and Harbin Engineering University (China) are developing a joint project in hydroacoustics - the world's first submarine communication, the press service of the Russian university reported. The project is of special importance for oil and gas production in the Arctic.

"In order to master the Arctic, you must first gain a foothold in the shallow areas. The movement of sound under the ice has its own specifics, signals significantly change, there is a strong reflection from the ice and the bottom. The propagation of elastic waves in the shallow sea is a problem for scientists all over the world. By combining the physical methods of Russian researchers with information processing technologies of Chinese colleagues, we will be able to achieve a breakthrough in the development of the Arctic zone ", the comment of the experiment leader, the head of the instrument engineering department of the FEFU Engineering School, Professor Vladimir Korochentsev, is quoted in the message. It is reported that scientists conducted a unique experiment in the bay on the island of Russian. A pneumatic hydroacoustic radiator developed in FEFU, the sound waves of which propagate in water and on ice, as well as lens receiving antennas, was used. Chinese scientists have provided high-precision seismic receivers, measuring the vibration of ice. With the help of this and other equipment it was possible to study the propagation of elastic waves under water and in the thickness of ice. It turned out that ice absorbs about 95% of sound and is the main conductor of hydroacoustic signals. These data confirm the theoretical conclusions made earlier. However, it is noted that new issues have arisen that need further study. The data will be used for further scientific work.

Harbin University of Engineering is the first university in China where research in the field of hydroacoustics is conducted.