def METHOD_NAME(ax):
    ax.set_ylabel('Depth [m]')
    ax.set_xlabel('$x$ [m]')
    ticks = ax.yaxis.get_majorticklocs()
    tickLabels = []
    for t in ticks:
        tickLabels.append(str(int(abs(t))))
    ax.set_yticklabels(tickLabels)