Results 1 to 10 of about 101,450 (259)

Reply to: Increase of P-wave velocity due to melt in the mantle at the Gakkel Ridge. [PDF]

open access: yesNat Commun, 2023
Koulakov I   +5 more
europepmc   +1 more source

Experimental study on petrophysical parameters of deep carbonate karst geothermal reservoir in China's Xiong’an New Area

open access: yesEnergy Exploration & Exploitation
The relationship of P- and S-wave velocities, density, and P-wave velocity provides a physical basis for the interpretation, inversion, and prediction of the well-logging and geophysical data of the carbonate reservoir, which is of great significance for
Hui Long   +5 more
doaj   +1 more source

Effect Mechanism of Material Ratio on Ultrasonic P-wave Velocity in Coal Based Paste Fill Materials

open access: yesApplied Sciences
This research is designed to investigate the variations in ultrasonic p-wave velocity in various coal based paste fill materials used for recovering standing pillars in closed/closing coal mines, with consideration given to the effects of numerous ...
Baifu An   +6 more
doaj   +1 more source

Velocity Structure of the Subducted Yakutat Terrane, Alaska: Insights From Guided Waves

open access: yesGeophysical Research Letters, 2018
Dispersed P wave arrivals from intermediate‐depth earthquakes in the Alaskan subduction zone provide insight into the low‐velocity structure of the subducting oceanic crust.
S. Coulson, T. Garth, A. Rietbrock
doaj   +1 more source

Experimental Study on the Effect of Gas Pressure on Ultrasonic Velocity and Anisotropy of Anthracite

open access: yesGeofluids, 2019
To research the elasticity of gas-bearing coal fluid-solid two-phase medium with seismic exploration method is critical to the prevention of gas disasters.
Bo Wang   +6 more
doaj   +1 more source

Sensitivity Analysis of P-Wave Polarization Direction and Velocity Gradient Inversion

open access: yesApplied Sciences
Velocity gradient is an important parameter for interpreting tomographic velocity field and identifying geological boundaries. It is usually translated from the results of seismic travel-time tomography.
Jingru Zhao   +5 more
doaj   +1 more source

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