用户界面友好的重力正演建模软件

IF 1.8 3区 地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS Geophysical Prospecting Pub Date : 2024-07-15 DOI:10.1111/1365-2478.13570
Wenjin Chen, Xiaolong Tan, Robert Tenzer
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引用次数: 0

摘要

重力正演法在地球物理应用中对地球内部结构的重力解释至关重要。在本研究中,我们介绍了结合图形用户界面的重力正演建模开源软件。该软件可从空间和光谱两方面进行数据准备、操作和结果解释。在空间域建模时,它使用棱镜和魔方元素,而在光谱域,它在指定边界内扩展了帕克公式。该软件通过合成模型和实际应用展示了其实用性,包括使用 ETOPO1 和 CRUST1.0 模型计算地形、沉积物和固结地壳的修正。性能比较显示,Parker 方法的计算速度优于棱镜法、方差法和地形重力正演(TGF)软件,在不同的地质情况下,差异范围在 ±12 mGal 和 ±0.3 E 之间。
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Gravity forward modelling software with user-friendly interface

The gravimetric forward method is crucial in geophysical applications for a gravimetric interpretation of the Earth's inner structure. In this study, we present the gravimetric forward modelling open-source software that incorporates a graphical user interface. This software allows data preparation, manipulation and result interpretation both spatially and spectrally. For spatial domain modelling, it uses prism and tesseroid elements, whereas in the spectral domain, it extends Parker's formulas within specified boundaries. The software's utility is demonstrated through synthetic models and real-world applications, including calculating corrections for topography, sediments and consolidated crust using ETOPO1 and CRUST1.0 models. Performance comparisons show that Parker's method delivers computation speed superior to that of the prism, tesseroid and Terrain gravity forward (TGF) software, with variances ranging within ±12 mGal for G z ${{G}_z}$ and ±0.3 E for G z z ${{G}_{zz}}$ across different geological scenarios.

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来源期刊
Geophysical Prospecting
Geophysical Prospecting 地学-地球化学与地球物理
CiteScore
4.90
自引率
11.50%
发文量
118
审稿时长
4.5 months
期刊介绍: Geophysical Prospecting publishes the best in primary research on the science of geophysics as it applies to the exploration, evaluation and extraction of earth resources. Drawing heavily on contributions from researchers in the oil and mineral exploration industries, the journal has a very practical slant. Although the journal provides a valuable forum for communication among workers in these fields, it is also ideally suited to researchers in academic geophysics.
期刊最新文献
Issue Information Simultaneous inversion of four physical parameters of hydrate reservoir for high accuracy porosity estimation A mollifier approach to seismic data representation Analytic solutions for effective elastic moduli of isotropic solids containing oblate spheroid pores with critical porosity An efficient pseudoelastic pure P-mode wave equation and the implementation of the free surface boundary condition
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