Across
- 5. Lined canal used to transfer fresh water to farms and cities
- 7. Occurs when land above an aquifer sinks
- 10. The process of removing salts from ocean water or brackish water
- 11. A rough measure of the volume of fresh water used directly and indirectly to support one’s lifestyle (Water________)
Down
- 1. Used water from bathtubs, showers, sinks, dishwashers, and clothes washers
- 2. The top of the zone of saturation (Water______)
- 3. Water containing sewage and other wastes from homes and industries
- 4. Overnourishment of aquatic ecosystems with plant nutrients such as nitrates and phosphates (cultural_____)
- 6. Fresh water not directly consumed but used to produce food and other products (______ Water)
- 8. Area under ground in which all pores are filled with fresh water (Zone of________)
- 9. Any change in water quality that can harm living organisms or make the water unfit for human uses (water_________)
- 10. Irrigation method in which water is delivered directly to plant roots through pipes or tubes (______irrigation)
- 11. Method in which water is pumped from a source through unlined ditches and flows by gravity to crops (_______irrigation)