Surface Water

3. event in which a stream or river overflows its banks
6. wetland in which water moves very slowly, oxygen levels are low, and trees and vines are common
7. study of freshwater bodies and the organisms that live in them
13. wetland with grasses and reeds but no trees, containing water that may be fresh, salty, or brackish
14. ridge that separates all the water basins that empty into different oceans
16. any body of fresh water that constantly flows downhill within banks (sides) and a bed (bottom)
17. highest ridge that separates one water basin from another

1. smaller of two streams that merge to make a larger stream
2. place where two streams merge
4. relating to water that is a mixture of fresh water and salt water
5. small body of fresh water not drained by a stream
8. part of a stream where it enters a large body of still water such as a lake or an ocean
9. land that is wet for most or all of the year
10. large body of fresh water drained by a stream
11. deep, slow-moving part of a stream where the stream may be wider than in other places
12. wetland containing brackish water that forms where a stream meets the ocean
15. raised structure built on a stream bank to hold back the water in case of a flood