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首页> 外文期刊>Journal of Applied Geophysics >High-resolution ultra-shallow subsurface imaging by integrating near-surface seismic reflection and ground-penetrating radar data in the depth domain
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High-resolution ultra-shallow subsurface imaging by integrating near-surface seismic reflection and ground-penetrating radar data in the depth domain

机译：通过在深度域中整合近地表地震反射和探地雷达数据进行高分辨率超浅层地下成像

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摘要

This study presents the integration of complementary near-surface geophysical methods for high-resolution ultra-shallow imaging of the subsurface. Shallow-seismic reflection (SSR) and ground-penetrating radar (GPR) data of approximately the same wavelength were collected along a coincident survey line. The top of the saturated zone was successfully imaged using both techniques, but no significant reflectors were imaged above the water table using SSR or below the water table using GPR. The SSR and GPR data sets were depth converted and merged into a single data set, resulting in a more complete image of the subsurface than either method can provide alone. Instead of having two sections representing depths of similar to 0-5 m (GPR) and similar to 4-30 m (SSR), the combined section includes the near-surface stratigraphy, water table, and bedrock, among other geologic features. It is important to note that this method of data merging is intended only for qualitative interpretation of layers of differing electrical and elastic properties. In the case shown here, the two geophysical methods image comparable features in depth, but they respond to different physical properties. (C) 2007 Published by Elsevier B.V.
机译：这项研究提出了互补的近地表地球物理方法，用于高分辨率地下超浅层成像。沿重合的测量线收集了大约相同波长的浅地震反射（SSR）和探地雷达（GPR）数据。两种技术均成功地对饱和区的顶部进行了成像，但使用SSR在地下水位上方或使用GPR在地下水位下方均未对重要的反射器成像。对SSR和GPR数据集进行了深度转换，然后合并为一个数据集，与任何一种方法都无法提供的相比，该方法可以得到更完整的地下图像。除了具有两个表示深度类似于0-5 m（GPR）和类似于4-30 m（SSR）的剖面之外，合并的剖面还包括近地层，地表水和基岩以及其他地质特征。重要的是要注意，这种数据合并方法仅用于定性解释具有不同电性和弹性的层。在这里显示的情况下，这两种地球物理方法在深度上可比拟的特征成像，但是它们对不同的物理特性有响应。 （C）2007由Elsevier B.V.发布

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