Figure 4

Soil-water content with depth for the various SAP concentrations. (a) before the beginning of evaporation; (b) day 10 of evaporation; (c) day 20 of evaporation; (d) day 30 of evaporation.
Soil-water content with depth for the various SAP concentrations. (a) before the beginning of evaporation; (b) day 10 of evaporation; (c) day 20 of evaporation; (d) day 30 of evaporation.