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Summary of pages 13 to 19 (Hodder text book) (Human impact on ground water…
Summary of pages 13 to 19 (Hodder text book)
Human impact on ground water
Human use of irrigation has lead to a decline of water levels, such as Texan acquires
Recent reductions in water usage in manufacturing has lead to decrease in ground water abstraction.
This lead to increase in ground water, however this has caused increased surface water flooding, cellars flooding, basements
also lead to increase leakage of London's underground turners and stations
Increased water pollution
water budget :
The balance between the precipitation, evaporation, and the runoff of water.
can be useful to show indication of available water suppliers
Soil moisture availability budget
P =Q = E +/- S
RIVER REGIMES
DEFINE: as the annual variations in discharge or flow of a river at a particular point or gauging station ( cumecs)
influences
The amount, pattern, intensity of rainfall
temperatures
size of river
human activity, dams which regulate flow
Geology, rocks, permeable
amount of vegetation