Research on diurnal variation of seabed magnetic field

Marine magnetic measurement survey is an important method of marine geophysical exploration. Geomagnetic diurnal change is an important part of marine magnetic survey. However, magnetic measurements in the far sea area are often caused by the lack of daily observation data near the survey area. The results are not properly corrected, in the deep water area layout of the submarine magnetic field observation system is one of the better ways to solve the problem. In this paper, the key technical problems such as low power consumption design and system recovery in submarine geomagnetic daily observation system are analyzed and studied, and the design scheme of submarine geomagnetic daily observation system is given. Experiments show that the new submarine geomagnetic daily observation system can meet the needs of magnetic field measurement.