the amount of water flushing through a natural waterway to keep it healthy.
water that is absorbed by the soil and funneled down to groundwater
runoff, water that goes directly into the stream
water unable to infiltrate due to hard surfaces in urban settings
the area on the dry, sheltered side of a mountain, which receives little rainfall
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.
long periods of unusually low precipitation
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?
the ability to meet humanities current needs without compromising the ability of future generations to meet their needs
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
accounts for 80% of water in Australia
the artificial application of water to land to assist in the production of crops
caused by replacing deep-rooted trees with shallow rooted crops causing salts to rise to the surface.
A system consisting of a river and its branches
the waste water that comes from showers, hand basins, laundry tubs, washing machines, dishwashers and kitchen sinks.
the process of removing salt from seawater to produce drinking water.
How much sediment is suspended in the water. This will be high where erosion rates are high.