What is it about?
The total-field magnetic anomaly is observed data, and the projection (Tap) of the anomalous vector onto the normal geomagnetic field is the target of many magnetic exception processing methods. In the traditional method, we use ΔT direct approximation as a Tap, which has a large error in the case of strong magnetic anomalies. So we developed an optimization strategy to transform the total-field magnetic anomaly into the projection (Tap) of the anomalous vector onto the normal geomagnetic field.
Featured Image
Photo by Steve Halama on Unsplash
Why is it important?
We developed an optimization strategy to transform the total-field magnetic anomaly into the projection (Tap) of the anomalous vector onto the normal geomagnetic field. So that we can directly use Tap as magnetic anomaly data to improve the effect of magnetic anomaly processing and interpretation.
Perspectives
I hope that with the development of this method in the future, people in magnetic exploration can widely use Tap instead of ΔT for processing and interpretation, which is more rigorous in theory and can avoid errors in the case of strong magnetic anomalies.
Huixiang Zhen
China University of Geosciences
Read the Original
This page is a summary of: Transformation from total-field magnetic anomaly to the projection of the anomalous vector onto the normal geomagnetic field based on an optimization method, Geophysics, September 2019, Society of Exploration Geophysicists,
DOI: 10.1190/geo2018-0671.1.
You can read the full text:
Contributors
The following have contributed to this page
