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Article
Effect of gas saturation on P-wave velocity in tight sandstone
By measuring the variation of the P- and S-wave velocities of tight sandstone samples under water saturation, it was confirmed that with the decrease in water saturation, the P-wave velocity first decreased an...
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Article
Changes in vegetation and soil properties during recovery of a subtropical forest in South China
Secondary forests account for a large amount of subtropical forest due to persistent anthropogenic disturbance in China. The interaction between vegetation and soil during recovery process is rather complex an...
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Article
Open AccessExperiments on acoustic measurement of fractured rocks and application of acoustic logging data to evaluation of fractures
Fractures in oil and gas reservoirs have been the topic of many studies and have attracted reservoir research all over the world. Because of the complexities of the fractures, it is difficult to use fractured ...
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Article
General characteristics of the recent horizontal crustal movement in Chinese mainland
In this paper, the horizontal crustal movement obtained from GPS observations in 1998 and 2000 at basic and fiducial stations in the Crustal Movement Observation Network of China (CMONOC) is introduced. A brie...