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. 2019 Aug 3;19(15):3406. doi: 10.3390/s19153406

Figure 15.

Figure 15

Response of wave velocities at different levels of shear stress during drain events. (a) Wave velocity ratio against shear stress during the drain event. (b) Wave velocity ratio response with shear stress at the same 0.25 m3/m3 of VWC.