Meander
Through flow
Discharge
Source
Mouth
Tributary
Confluence
Bank
Overland flow
Rivers: The water cycle
Aims:
•To become familiar with the water cycle as a system
•To be able to use the words: PRECIPITATION, CONDENSATION and EVAPORATION
Skills: Labelling diagrams
A System?
INPUTS PROCESSES OUTPUTS
Closed system – where inputs and outputs remain in the system. Nothing outside the system can contribute to it.
Open System – where inputs and outputs come from outside the system. Things outside the system can contribute to it.
Evaporation
Condensation
Precipitation
Rivers
Base Flow
Through Flow
Transpiration
The water cycle
The water cycle
The drainage basin
river
evapotranspiration
precipitation
throughflow
surface runoff
groundwater flowwater table
interception
percolation
infiltration
The drainage basin
Drainage basin system
inputs stores and flows outputs
precipitation interception
surface runoff
surface water storage
soil water storage
groundwater storage
infiltration
river runoff
evaporation
transpiration
groundwater flow
throughflow
percolation
The Adventures of Drippy- A Water Droplet Story
Catching the Evaporation lift Getting colder and condensation Gripping onto a dust particle
Precipitating Into a river Back to the Sea
Starting to evaporate Condensation Precipitation
Infiltrating the ground with lots of other droplets
Percolating into the water table Entering the river via the water table
In the river At the river mouth Starting to evaporate
journey
HW: Complete Water Cycle Sheet
Meander
Through flow
Discharge
Source
Mouth
Tributary
Confluence
Bank
Overland flow
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