18 - Fresh Water Flashcards
water travel among reservoirs
Hydrological Cycle
water supply based on precipitation, typically held in surface bodies
Renewable Water Supply
hybrid aquatic and terrestrial system area, typically saturated, e.g., swamp, marshes. like a sponge, it slows down water and holds it down
Wetland
measure of water cleanliness based on many factors and end-uses
Water Quality
pollution from discharges over a widespread are
non-point source
easily discernible “end-of-pipe” source of pollution, factory or a town sewage
point source
drinkable, healthy
potable water
bacterium present in fecal matter that can pollute a water supply
e.g., contamination of water supply for town of Walkerton, Ontario (May 2000), 7 deaths
E.coli
needed quantity of desired quality
water security
dry condition due to factors including low precipitation, soil retention change, etc.
drought
triangular-shape semi-arid area, southeast Ab. and southwest Sask. Drought prone region
Palliser’s Triangle
nations reduce water resources pressure by importing water intense products
virtual water
track yearly water use by consumer, nation, or product over life cycle
water footprint
intentional shift of water to reduce flood vulnerability or generate hydroelectricity
diversion
Coastal region, an inlet or river mouth, where salt water and fresh water mix
Estuary
