Crack dynamics revealed by time-lapse acoustic attenuation and velocity: insights from active acoustic emission experiments

Chao Guo1,2, Tieyuan Zhu3, Shunchuan Wu1 and Yongtao Gao1, (1)University of Science and Technology Beijing, Beijing, China, (2)Pennsylvania State University Main Campus, University Park, PA, United States, (3)Pennsylvania State University Main Campus, Department of Geosciences, University Park, PA, United States
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