APES Unit 4b: Water

3. Drinkable water
5. Pocket of groundwater stored in porous rock, usually tapped into for a potable source
7. Nutrient pollution (N & P) can lead to this in a watershed
10. Does not permanently remove water from aquifer or surface body water, In-stream use
11. Aquifer ___ is the sinking of land above an aquifer due to excessive water removal (overdraft)
14. Stream that is completely above water table, flows only because of precipitation
15. Where river meets and mixes with an ocean

1. Average length of time a water molecule (or toxic substance) stays in a system
2. Water consumed by plants and animals or in industrial process, Off-stream use
4. 2.8% of water on Earth
6. River system, aka Drainage basin; rivers that join up and flow to same end location
8. Water that is a mix of salt and freshwater
9. Stream that gets its water from groundwater, surface of stream relates to water table
12. Ecological area that provides many eco. services, soil must be wet for at least part of the year and support a particular type of vegetation and soil
13. Wastewater from sinks, showers, dishwashers, etc.
16. 97.2% of water on Earth