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Analysis of Influence of the Data-Selection Procedure on 3-D MT Inversion Using Gyeongju Data in Korea
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 25th European Meeting of Environmental and Engineering Geophysics, Sep 2019, Volume 2019, p.1 - 5
Abstract
Summary
3-D MT inversion has been widely used to describe deep subsurface structures, but MT data are prone to be contaminated with noise. Although some pre-processing is done before inversion, the quality of some data can still be poor. To prevent noisy data from degrading inversion results, we may exclude noisy data in the inversion process. In this case, we need to consider the trade-off between the quality and quantity of data. We investigate the influence of the data-selection procedure on inversion results using AMT data acquired in Gyeongju, South Korea. Our inversion results show that the balance between the quality and quantity of data is important to obtain reasonable inversion results.
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