The selection of base value is critical to the geomagnetic diurnal variation correction in Marinemagneticsurvey.
地磁日变基值的选取是海洋磁力测量地磁日变改正的重要内容。
2
Aeromagnetic data downward continuation to sea level instead of Marinemagneticsurvey data can improve use capability of survey data.
采用航磁数据向下延拓到海面代替船测数据,可提高磁力测量成果的综合利用率。
3
The contour of sea surface magnetic field is an essential map in Marinemagneticsurvey. By using this map, the position of underwater ferromagnet is easily defined.