Hydrology Vocab

1. Areas of land that water drains into when the ground is saturated or impermeable.
9. Does not allow substances to pass through.
11. The movement of water from the surface to greater depths carrying oxygen down allowing animals to thrive.
14. The process of removing salt from ocean water.
16. Pollution with a widely spread source that can’t be tied to a specific point of origin.
19. An opening in the sea floor from which heated water rises and mixes with the ocean water above.
21. A ridge, or continuous line of high land, from which water flows in different directions.
22. The highest part in the ground that is saturated, or completely filled with water.
23. An underground layer of permeable rock that contains water.
24. Pollution that enters water from a specific source that can be identified.

2. An increase in nutrients in a lake or pond, occurring naturally or as a result of pollution, which causes increased growth of algae.
3. A well in which water flows upward to the surface naturally because it is under pressure.
4. The entire geographical area drained by a river and its tributaries.
5. Allows substances to easily pass through.
6. The flat or gently sloping land that lies submerged around the edges of a continent and extends from the shoreline out to the continental slope.
7. The ratio of the mass of a substance to the volume of the substance. (mass/volume)
8. The vertical movement of deep water up to the surface bringing up nutrients from the deep ocean allowing animals to thrive.
10. The amount of salt in a substance.
12. Passed in the U.S. in 1972, this law focused regulation on industrial waste and water contamination as well as waste water treatment
13. A shoreline area where fresh water from a river mixes with salt water from the ocean.
15. A measure of the clarity of water that depends on the amount, size and composition of suspended matter.
17. A form of nutrient pollution.
18. A system that uses underwater sound waves to measure distance and locate objects.
20. The yearly rising and sinking of cold and warm layers in a lake.