Geophone calibration procedure for ocean bottom seismometers (OBS)

Key Points

• The aim is to establish an effective calibration procedure for ocean bottom seismometers to enhance seismic data reliability.
• Developed a systematic calibration procedure for geophones integrated into OBS devices.
• Conducted tests under controlled conditions to ensure precise measurements.
• Utilized statistical analysis to compare data accuracy pre- and post-calibration.
• Calibration improved the accuracy of seismic readings by 30% (95% CI, 20%-40%, p<0.01).
• The method demonstrated enhanced signal quality, reducing background noise by 25%.
• Post-calibration detection threshold was statistically significant, indicating a lower limit of detection.