Chapter 15

2. cores long columns of ice taken from glaciers.
5. A body of water that flows within a channel.
6. off Water that flows over Earth's surface.
7. Is a measure of rock's ability to hold water.
8. water Generally, water that lies below ground.
9. A coastal area where freshwater from rivers and streams mixes with salt water from seas or oceans.
11. An area of permeable sediment or rock that holds significant amounts of water.
12. glacier A glacier that forms in the mountains.
14. sheet A glacier that spreads over land in all directions.

1. Is an area of land that drains runoff into a particular stream, lake, ocean, or other body of water.
3. Water that has less than 0.2 percent salt dissolved in it.
4. table The upper limit of the saturated zone.
7. The measure of water's ability to flow through rock and sediment.
10. ice Ice that forms when seawater freezes.
13. Is a large body of water that forms in a basin surrounded by land.