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A novel approach for enhancing potential fields: application to aeromagnetic data of the Tuangiao, Vietnam

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Abstract

Detecting geologic features, such as fault and contact from ground and airborne potential fields, is commonly done using various boundary detectors. However, these detectors have universal limitations, such as low-resolution results or sensitive amplification of noise. To address these issues, this study introduces a novel detector (NTG) that is an arctan function of the normalized total gradient. This detector has been tested on synthetic and aeromagnetic datasets of the Tuangiao (Vietnam) and compared with results obtained from other detectors. The results show that the suggested detector can provide sharp signals over the source boundaries, and is less sensitive to noise than other normalized detectors.

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Data Availability Statement

This manuscript has associated data in a data repository. [Authors’ comment: The data generated during and/or analyzed during the current study are available from the author on reasonable request.].

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Acknowledgements

This research is funded by Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 105.05-2021.53.

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  1. University of Science, Vietnam National University, Hanoi, Vietnam

    Luan Thanh Pham

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  1. Luan Thanh Pham
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Correspondence to Luan Thanh Pham.

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Pham, L.T. A novel approach for enhancing potential fields: application to aeromagnetic data of the Tuangiao, Vietnam. Eur. Phys. J. Plus 138, 1134 (2023). https://doi.org/10.1140/epjp/s13360-023-04760-1

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