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Evaluation of the parameters of the fault-like geologic structure from the gravity anomalies applying the particle swarm
Environmental Earth Sciences ( IF 2.8 ) Pub Date : 2021-07-22 , DOI: 10.1007/s12665-021-09786-1
Khalid S. Essa 1
Affiliation  

This study focuses on interpreting Bouguer gravity anomalies by two-sided fault structures. Faults have prime concerns for hazardous zones, mineralized areas, and hydrocarbon systems. The proposed scheme is done through the following steps: first, it utilizes the residual moving average anomalies estimated from the Bouguer gravity anomalies using several window lengths. Second, each residual anomaly is interpreted using the particle swarm. Third, calculate the average value for all interpreted anomalies. Fourth, the average values for the fault parameters are utilized to build the forward gravity model, which is compared with the true ones. The efficiency of this method has been studied by applying it to a synthetic example with different levels of impeded noise (0%, 5%, and 10%). Gravity data for fault structures were investigated from Egypt. It was found that the obtained results are in good agreement with the previously published studies.



中文翻译:

应用粒子群从重力异常评价断层状地质构造参数

本研究的重点是通过两侧断层结构解释布格重力异常。断层是危险区、矿化区和碳氢化合物系统的主要关注点。所提出的方案通过以下步骤完成:首先,它利用使用几个窗口长度从布格重力异常估计的剩余移动平均异常。其次,使用粒子群解释每个残差异常。第三,计算所有解释异常的平均值。第四,利用断层参数的平均值建立前向重力模型,并与真实模型进行比较。通过将其应用于具有不同受阻噪声水平(0%、5% 和 10%)的合成示例,研究了该方法的效率。埃及研究了断层结构的重力数据。

更新日期:2021-07-22
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