Water cycle Flashcards
1
Q
Water cycle as a system
A
Local - Open system
Global - Closed system
2
Q
Inputs
A
Precipitation
3
Q
Outputs
A
Evapotranspiration
Streamflow
4
Q
Flows
A
Infiltration Percolation Throughflow Surface run off Groundwater flow Stem flow
5
Q
Infiltration
A
Above ground into soil layer
6
Q
Percolation
A
From ground or soil into porous rocks or rock fractures
7
Q
Throughflow
A
flow of water through the soil
8
Q
Surface run-off
A
Movement of water across the surface due to impermeable surfaces - saturated soil, impermeable rock
9
Q
Groundwater flow
A
flow of water through rocks
10
Q
Stem flow
A
water intercepted by plants and trees
11
Q
Water balance
A
Used to express the process of water storage and transfer in a drainage basin system
precipitation = total energy + evapotranspiration +/- storage
12
Q
Affected on local scale by…
A
Deforestation
Seasonal changes
Agriculture
Urbanisation
