Set Gravity / Magnetic DC Shift
There are three methods to specify the DC Shift to be used in comparing observed and calculated gravity or magnetic anomaly profiles. Select the most appropriate method for each data type.
Auto |
Enable GM-SYS Profile Modelling to calculate the RMS difference between observed and calculated anomaly and subtract the best-fit value. The value will change as the model is modified. |
Absolute |
Enter a constant value for the DC Shift. |
Station number |
Tie the DC Shift to a particular observed anomaly measurement. The difference between observed and calculated values at this station will be added to all stations. This value may change as the model is modified. |
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