China’s first water-column-spanning array of 10 km successfully used in Mariana Trench experiment

By Wu Feiyun Source:Globaltimes.cn Published: 2018/1/10 17:08:44

China's first water-column-spanning array (WA) of 10 km was successfully applied in the Challenger Deep, Mariana Trench Experiment in December 2017. This task was led by Prof. Yang Yixin in Northwestern Polytechnical University, followed by Ocean University of China, Institute of Acoustics, Chinese Academy of Sciences, and the First Institute of Oceanography State Oceanic Administration. 

This work achieves the design, development, detection and demonstration of Mariana Trench Acoustic Observation with 10 km depth. Meanwhile, it gathers important data and has laid an important foundation for further study of the acoustic propagation characteristics of deep sea.

The Mariana Trench or Marianas Trench is the deepest part of the world's oceans. It is located in the western Pacific Ocean. For comparison: if Mount Qomolangma were dropped into the trench at the deepest portion, its peak would still be over 1.6 kilometers (1 mile) underwater. The Challenger expedition gave us the first glimpse of deep ocean basins and other characteristics of the ocean floor. 



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