Fig. 6

Histograms of travel time between the peaks detected in the soil moisture time series from the upper and mid levels (top), and mid and lower levels (bottom). The letter n stands for the number of travel times consisting of the histogram.

Histograms of travel time between the peaks detected in the soil moisture time series from the upper and mid levels (top), and mid and lower levels (bottom). The letter n stands for the number of travel times consisting of the histogram.