43. Infiltration and Consumptive Use
Understanding infiltration and consumptive use of water is vital in hydrological studies. Infiltration is the movement of water into the soil, affecting runoff and groundwater recharge, while consumptive use refers to water lost through evaporation and transpiration. Both concepts are integral in effective water resource management, agricultural practices, and hydrological modeling.
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What we have learnt
- Infiltration affects the division of rainfall into surface runoff and subsurface flow.
- Consumptive use is a key measure in understanding water loss due to plants and evaporation.
- Effective irrigation planning requires knowledge of both infiltration and consumptive use.
Key Concepts
- -- Infiltration
- The process by which water moves from the ground surface into the soil, influencing groundwater recharge and runoff.
- -- Consumptive Use
- The portion of water that is used by plants and not returned to the water source, primarily through evaporation and transpiration.
- -- Effective Rainfall
- The part of rainfall that is actually available for consumptive use by crops, excluding deep percolation and runoff.
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