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20 terms

Water Management

STUDY
PLAY
environmental flow
the amount of water flushing through a natural waterway to keep it healthy.
infiltration
water that is absorbed by the soil and funneled down to groundwater
storm water
runoff, water that goes directly into the stream
urban run-off
water unable to infiltrate due to hard surfaces in urban settings
per capita
per person
rain shadow
the area on the dry, sheltered side of a mountain, which receives little rainfall
ground water
water found beneath Earth's surface and held in soil and permeable rocks.
blue green algae
algal bloom that grows on the top of waterways during long periods of drought.
drought
long periods of unusually low precipitation
el Nino
name given to the short term periodic change in the location of warm and cold water masses in the Pacific Ocean
great artesian basin
What key physiographic region in Australia provides underground water resources, preventing that portion of Australia from being desert?
sustainability
the ability to meet humanities current needs without compromising the ability of future generations to meet their needs
water catchment
An area where water is collected by the natural landscape in a catchment, all rain and run-off water eventually flows into a creek, river, lake or ocean or into the groundwater system
agriculture
accounts for 80% of water in Australia
irrigation
the artificial application of water to land to assist in the production of crops
salinity
caused by replacing deep-rooted trees with shallow rooted crops causing salts to rise to the surface.
river system
A system consisting of a river and its branches
gray water
the waste water that comes from showers, hand basins, laundry tubs, washing machines, dishwashers and kitchen sinks.
desalination
the process of removing salt from seawater to produce drinking water.
turbidity
How much sediment is suspended in the water. This will be high where erosion rates are high.