Use of the Jiaolong manned submersible for accurate mapping of deep-sea topography and geomorphology |
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| Authors: | Tongwei Zhang Jialing Tang Zhengguang Li Yubin Zhou Xiangxin Wang |
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| Institution: | 1.National Deep Sea Center,Qingdao,China;2.Laboratory for Marine Geology,Qingdao National Laboratory for Marine Science and Technology,Qingdao,China;3.Joint Laboratory for Ocean Observation and Detection,Qingdao National Laboratory for Marine Science and Technology,Qingdao,China |
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| Abstract: | High-resolution bathymetric side-scan sonar (BSSS) performs the functions of traditional side-scan sonar, while also providing a depth-sounding function that allows simultaneous measurement of seafloor topography and geomorphology. Submarine microtopography and microgeomorphology detection ability and advanced underwater acoustic digital communication are important technical capabilities of the Jiaolong manned submersible. High resolution BSSS achieved accurate detection of seafloor topography and geomorphology at a depth of 7000 m, and successful mapping of local microtopography and microgeomorphology in the Mariana Trench. |
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