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Class make up: water systems (water catchment (Keyline, Swales, Keyline),…
Class make up: water systems
water catchment
Keyline
Swales
Keyline
water storage
Tanks
Drinking
Irrigation
Lime stone for acid water
Roof water is least polluted
first flush
Human use
Rota
Loo
Polluted h2o
Turbidity
OM
Silt particles
chemicals form medicins
etc
Bioaccumulation and
biomagnification
Water treatments
Settling
filteration
aeration
Where is water?
2.5% fresh
0.3 % accessible to humans
70% agriculture
one third goes to grow grain for livestock
the rest is glaciers and ground water
97.5% salt water
https://www.youtube.com/watch?v=LAR8eVqwUpw
Sewage treatment
Biogas
Water in agriculture
70 %
waste water
clean
grey
Check
this
black
over irrigation and not cycling
On site
at least 80cm rainfall
rivers are nor reliable sources
clay loam to keep moisture