Drainage basin hydrological cycle

KEY TERMS:

Drainage basin- The area that is drained by a river and its tributaries.

Watershed- The boundary between two separate basins.

Precipitation- All the ways moisture comes out of the atmosphere (usually rain).

Confluence- Where two tributaries meet.

Channel flow- The flow of water within the river channel.

Surface runoff- (overland flow) the flow of water over the land.

Infiltration- Water seeping from the surface into the soil.

Throughflow- A horizontal movement of water through the soil driven by gravity from soil moisture storage to the river channel storage.

Percolation- Water seeping deeper underground within the soil and rock to enter the groundwater storage.

Interflow- Water flowing downhill through permeable rock above the water table.

Groundwater flow- A very slow horizontal movement of water below the water table through permeable rock.

Baseflow- The groundwater flow that feeds into rivers through its banks and beds.

Throughfall- Precipitation falling through spaces in the vegetation canopy to the ground.

Stemflow- Precipitation flowing slowly down the branches and stems of vegetation to the ground.

Interception- Precipitation temporarily collected and stored by vegetation and or buildings in urban areas.

Vegetation storage- Water taken up and stored by plants.

Surface storage- Water stored on the surface of the land in puddles, lakes or man-made ditches and reservoirs.

Groundwater storage- Water stored, long-term, deep underground in rocks or the joints and cracks of rocks.

Channel storage- Water stored in the river channel as it moves through the drainage basin system.

Evaporation- Water changing from liquid to gas due to energy from the sun.

Transpiration- Water vapour leaving the stomata in the underside of plant leaves.

Evapotranspiration- A combination of evaporation and transpiration. Water is lost from the drainage basin system to the atmosphere as water vapour.

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[cama]

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[natalyih]

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[eliseolopez]

Usage of River tributaries to construct aquifers below thru limestone, large grain sandstone permeable and porosity

[joysong]

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