Buoyancy frequency for the glitch-simulated models near the glitch position. In all panels, the continuous red line shows the case of model 5, corresponding to a glitch with properties similar to the original ASTEC model. Additionally, the black lines are as follows. Top panel: models 1 (dotted line) and 2 (dashed line). Middle panel: models 3 (dotted line) and 4 (dashed line). Bottom panel: model 6.