The effect of near-surface azimuthal anisotropy on a joint interpretation of seismic and electrical resistivity data

被引：0

作者：

Yaskevich, Sergey, V ^{[1
]}

Dergach, Petr A. ^{[2
]}

Chernyshov, Gleb S. ^{[2
]}

Nevedrova, Nina N. ^{[2
]}

Sanchaa, Aidisa ^{[2
]}

Shalaginov, Alexander E. ^{[2
]}

Duchkov, Anton A. ^{[3
,4
]}

Gorshkalev, Sergey B. ^{[2
]}

Karsten, Wladimir ^{[2
]}

机构：

[1] Inst Earths Crust SB RAS, 128 Lermontova St, Irkutsk 664033, Russia

[2] Inst Petr Geol & Geophys SB RAS, Pr Ak Koptyuga 3, Novosibirsk 630090, Russia

[3] Novosibirsk State Univ, St Pirogova 2, Novosibirsk 630090, Russia

[4] Novosibirsk State Tech Univ, Pr K Marksa 20, Novosibirsk 630073, Russia

来源：

NEAR SURFACE GEOPHYSICS | 2022年 / 20卷 / 03期

关键词：

electrical resistivity tomography; modelling; near-surface; seismic; velocity; REFRACTION; INVERSION; VELOCITY;

D O I：

10.1002/nsg.12206

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

In this paper, we study the anisotropic near surface with seismic refraction surveying and electrical resistivity tomography. We present a field data processing case study and show a significant dependence of the determined P- wave velocity and electrical resistivity on the acquisition line direction. We show that the anisotropy influences not only the determined velocities themselves, but also the estimated depths of the determined boundaries and can cause misinterpretation of the arrival time curves and lead to hidden layer issues. We justify our field data-processing results with ray modelling and synthetic data processing. As a result of our case study, we suggest a consistent direction of anisotropy for electrical resistivity and seismic surveying for the particular site in the Novosibirsk region.

引用

页码：279 / 291

页数：13

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