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FIG. 4. Comparison of observed and predicted soil moisture in the top layer (0–20 cm) for tubes within orchards for unaggregated observations and predictions (Aggregation Level 0). The graphs in the left column show time series of observations (symbols) and predictions (lines). The vertical line in each time series separates calibration (left side) and validation (right side) period. The graphs in the right column are scatter graphs of observation vs. predictions. Similar graphs can be made for the second and third layer of the model; the overall pattern in (dis)agreement between observation and prediction is the same for all three layers. The labels NO up, NO down, OO up, and OO down refer to the tubes depicted in Fig. 1.
