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Stream flow Irrigation diversion Transmission losses Route to next reach or reservoir
Return flow
Snow Snow cover Snow melt Seepage Schematic showing common hydrologic processes/water movement pathways simulated in watershed-scale NPS models.
Precipitation Surface runoff Transmission loss Pond/reservoir water balance P/R evaporation Irrigation P/R outflow P/R seepage Shallow aquifer Revap Deep aquifer Irrigation
Irrigation
Rain
Infiltration Soil storage Soil water routing (10 layers) Soil evaporation Plant uptake and transportation Lateral flow Percolation
Irrigation (Redrawn after Neitsch et al. 2005.)
FIGURE 5.1
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