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Imaging shallow fault structures by three-dimensional reverse time migration of ground penetration radar data

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 190 ()

Ground penetrating radar (GPR) is an effective technology for investigating shallow underground structures using high-frequency electromagnetic waves.......

Joint tomography of multi-cross-hole and borehole-to-surface seismic data for karst detection

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 184 ()

Two-dimensional (2D) cross-hole seismic tomography iswidely used in karst exploration. However, thismethod only obtains subsurface geological structur......

Experimental aeromagnetic survey using a rotary-wing aircraft system: A case study in Heizhugou, Sichuan, China

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 184 ()

The mid-high mountain area in Western China is an important area for an aeromagnetic survey in China. To solve the problem that a ground survey cannot......

Inversion-based non-stationary normal moveout correction along with prestack high-resolution processing

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 191 ()

Seismic wave propagated in viscoelastic media always suffers from amplitude attenuation and velocity dispersion. It not only reduces seismic resolutio......

Seismic spectral decomposition using short-time fractional Fourier transform spectrograms

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 192 ()

A time-frequency method with high resolution is introduced for seismic spectral decomposition. The classical short-time Fourier transform spectrogram ......

Effects of heating on some physical properties of granite, Shandong, China

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 193 ()

Due to the continuous development of underground engineering (underground surrounding rock stability, hot dry rock production, etc.), the thermal dama......

2D Magnetotelluric forward modelling for deep buried water-rich fault and its application

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 192 ()

Water inrush is a common geological disaster during the tunnel construction in the broken zone of deep buried water-rich faults. In order to improve t......

Seismic random noise attenuation using effective and efficient dictionary learning

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 186 ()

Seismic data is often corrupted with random noise and thus may be of poor quality because of the low signal-to-noise ratio. The random noise may not o......

Three-dimensional edge-based finite element modeling of magnetotelluric data in anisotropic media with a divergence correction

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 189 ()

When simulating a 3-D magnetotelluric (MT) response, the convergence rate slows at low frequencies. Previous works have shown that by implementing div......

Water seepage detection using resistivity method around a pumped storage power station in China

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 188 ()

To detect water seepage and ensure the safety of Pumped Storage Power Station (PSPS) facilities, we apply the electrical resistivity method to evaluat......

A pitfall of applying one-bit normalization in passive surface-wave imaging from ultra-short roadside noise

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 187 ()

In recent years, passive surface-wave methods have been widely applied on near-surface characterization by utilizing ambient noise to achieve deeper i......

Application of multichannel analysis of passive surface waves method for fault investigation

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 192 ()

Research on faulting is of fundamental significance to the exploration of geothermal resources since faulting is an important factor in the formation ......

A robust method for random noise suppression based on the Radon transform

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 184 ()

Linear Radon transform, or slant-stack transform, can be used to obtain an optimally sparse representation of linear seismic events. The linear Radon ......

Multi-channel observation experiments of audio-frequency magnetotelluric technology in shallow water

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 184 ()

Geophysical electromagnetic (EM) surveys for imaging the subsurface structure under lakes, rivers, or other water bodies have attracted increasing att......

Seafloor classification based on deep-sea multibeam data-Application to the Southwest Indian Ridge at 50.47 degrees E

期刊: JOURNAL OF APPLIED GEOPHYSICS, 2021; 185 ()

Seafloor classification based on multibeam data is an attractive approach due to itswide-coverage capability and relatively low cost. It has been succ......

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