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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union
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Preprints
https://doi.org/10.5194/gi-2020-24
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-2020-24
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

  06 Oct 2020

06 Oct 2020

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This preprint is currently under review for the journal GI.

Autonomous underwater vehicle based marine multi-component self-potential method: observation scheme and navigational correction

Zhongmin Zhu1, Jinsong Shen1, Chunhui Tao2,3, Xianming Deng2, Tao Wu2, Zuofu Nie1, Wenyi Wang1, and Zhaoyang Su1 Zhongmin Zhu et al.
  • 1State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum (Beijing), Beijing, 102249, China
  • 2Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, Zhejiang, China
  • 3School of Oceanography, Shanghai Jiaotong University, Shanghai 200030, China

Abstract. Marine self-potential (SP) investigation is an effective method to study deep-sea hydrothermal vents and seafloor sulfide deposits. At present, the commonly used marine self-potential instrument is a towed electrode array, large noise involves when the seafloor topography is complex, causing the greatly change of electrode distance and array attitude. In this paper, a new multi-component electric field observation system based on underwater autonomous underwater vehicle (AUV) was introduced for the measurement of seafloor self-potential. The system was tested in a lake and the multi-component self-potential data were collected. Observed data involve the navigational information of AUV, which could be corrected using a rotation transform. After navigational correction, measured data can recover the location of the artificial source well using self-potential tomography. The experimental results showed that the new SP system can be applied to marine SP observations, providing an efficient and low-noise SP acquisition method for marine resources and environmental investigations.

Zhongmin Zhu et al.

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Latest update: 29 Oct 2020
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Short summary
A new multi-component electricial field observation system based on autonomous underwater vehicle (AUV) was introduced for the measurement of seafloor self-potential. The system was tested in a lake and the multi-component self-potential data were collected. The new SP system can be applied to marine SP observations, providing an efficient and low-noise SP acquisition method for marine resources and environmental investigations.
A new multi-component electricial field observation system based on autonomous underwater...
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