The Water Cycle and Water Insecurity exam style
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Terms in this set (60)
A store is where water is held for varying amounts of
What is meant by a store
'residence' time. A flow is the movement of water
and a flow?
between stores
1. The oceans
Identify the three largest
2. Icecaps and glaciers
stores in size order
3. Groundwater
1. Fossil water: old, deep groundwater from former
Which two water stores
wetter periods
are non-renewable, and
2. Losses from the cryosphere: melting of ice as a
why?
result of global warming
Blue water is stored in rivers, lakes and groundwater
in liquid form — a visible part of the hydrological
Distinguish between blue
cycle. Green water is water stored in the soil and
and green water
vegetation — an invisible part of the hydrological
cycle
There are no external inputs and outputs. It is a self-
Why is the hydrological
contained entity. Some might argue solar energy,
cycle a closed system?
which drives the cycle, is an input
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, 7/27/25, 5:53 PM The Water Cycle and Water Insecurity exam style questions Exam Questions with 100% Correct Answers | Verified | Latest Update …
The water budget of a place is the difference
between the amount of water gained from
precipitation and the amount lost as a result of
What is the water budget,
evapotranspiration. The budget is in surplus when
and why does it vary from
precipitation exceeds evapotranspiration. It is in
place to place?
deficit when the situation is reversed. It varies from
place to place because climate (precipitation and
temperature) does
What are the main inputs Precipitation. Also possibly water from a tributary
of a drainage basin basin
system?
What are the main outputs Evaporation, transpiration and river discharge
of a drainage basin
system?
Altitude will affect the precipitation input (orographic
How does relief affect the
rain or snow). The steepness of slopes will affect the
inputs and outputs of a
rate of runoff — the steeper the slope, the faster the
drainage basin?
rate
Distinguish between Interception is the process by which water is stored in
interception and the vegetation. Infiltration is the process by which
infiltration water soaks into, or is absorbed by the soil
Geology affects the balance of the flows by which
precipitation reaches a river. Where the geology is
hard and impermeable (e.g. granite), there will be
How does geology affect
much surface runoff and relatively little infiltration and
the flows in a drainage
percolation. Where rock is porous, then the balance
basin?
will be the reverse with little runoff and much
percolation and water reaching the river via through
flow and groundwater flow
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