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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Acknowledgements
This work was supported by the National Key R&D Program of China (Grant No. 2017YFC0305700), the Qingdao National Laboratory for Marine Science and Technology (Grant No. QNLM2016ORP0406), the National Natural Science Foundation of China (Grant No. 41641049), the Taishan Scholar Project Funding (Grant No. TSPD20161007), the Shandong Provincial Natural Science Foundation (Grant No. ZR2015EM005), the Shandong Provincial Key R&D Program (Grant No. 2016GSF115006), and the Qingdao Independent Innovation Project (Grant No. 15-9-1-90-JCH).
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Zhang, T., Tang, J., Li, Z. et al. Use of the Jiaolong manned submersible for accurate mapping of deep-sea topography and geomorphology. Sci. China Earth Sci. 61, 1148–1156 (2018). https://doi.org/10.1007/s11430-017-9187-3
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DOI: https://doi.org/10.1007/s11430-017-9187-3