Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Pankun: A New Generation Broadband Ocean Bottom Seismograph

Version 1 : Received: 21 April 2023 / Approved: 21 April 2023 / Online: 21 April 2023 (09:51:24 CEST)

A peer-reviewed article of this Preprint also exists.

Liu, D.; Yang, T.; Wang, Y.; Wu, Y.; Huang, X. Pankun: A New Generation of Broadband Ocean Bottom Seismograph. Sensors 2023, 23, 4995. Liu, D.; Yang, T.; Wang, Y.; Wu, Y.; Huang, X. Pankun: A New Generation of Broadband Ocean Bottom Seismograph. Sensors 2023, 23, 4995.

Abstract

This paper presents a new broadband ocean bottom seismograph (OBS) developed by the SUSTech OBS lab for passive-source seafloor seismic observations. This instrument, called Pankun, has several key features that set it apart from traditional OBS instruments. Besides the seismometer-separated scheme, these features include a unique shielding structure to minimize current-induced noise, a compact gimbal for accurate leveling, and low power consumption for extended operation on the seafloor. The design and testing of Pankun's primary components are thoroughly described in the paper. The instrument has been successfully tested in the South China Sea, demonstrating its ability to record high-quality seismic data. The anti-current shielding structure of Pankun OBS has the potential to improve low-frequency signals, particularly on the horizontal components, in seafloor seismic data.

Keywords

ocean bottom seismograph (OBS); seismometer; digitizer; leveling system

Subject

Engineering, Marine Engineering

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