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Hydrosphere
What will we look at in this unit?
• The Hydrological Cycle
• The River Course
• The Characteristics at each stage
• Hydrographs
The Hydrological Cycle
• Describes the continuous movement of water
on, above, and below the surface of the Earth.
Since the water cycle is truly a "cycle," there
is no beginning or end. Water can change
states among liquid, vapour, and ice at various
places in the water cycle
There are many processes that occur within the
hydrological cycle, these are;
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Evaporation
Transpiration
Evapotranspiration
Condensation
Advection
Precipitation
Infiltration
Percolation
Throughflow
Runoff
The force powering the
cycle is SOLAR POWER,
the hydrological cycle
cannot occur without this.
Advection
Precipitation
Condensation
Runoff
Infiltration
Evaporation/
Transpiration
Percolation
throughflow
1) Outline the difference between:
a) Evaporation and transpiration
2
b) Condensation and precipitation
2
c) Runoff and Percolation
2
2) What is the name given to the water stored under
the surface?
1
3) What 3 processes contribute to this storage?
3
4) With the aid of a diagram, describe the global
hydrological cycle.
6
5) Explain how a balance is maintained within the
hydrological cycle.
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