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watershed scienice
virginia watersheds
| Term | Definition |
|---|---|
| tributary | a stream or river that supplies water to a larger body of water |
| river system | the main river and its tributary |
| watershed | the land area that supplies water to a river |
| divide | a rigde of land that seperates the direction that water flows |
| continental divide | rocky mountains |
| estuary | a partlliy enclosed body of water where fresh water mixes with salty ocean water |
| brackish | a mixture of salt and fresh water |
| salinity | the amount of salt the water |
| wetland | a habitat that is covered in water most of the time |
| swamp | type of wetland with tall twisted trees |
| marsh | type of wetland with reeds and grasses |
| bogg | type of wetland with thick peat |
| ecosystem | the living and nonliving part of a community |
| habitat | the place of where a animale or plant live |
| largets watershied in usa | mississippi river |
| largest estuary in the usa | chesapeake bay |
| point source of pollution | comes froms a pirticiluar location such as a factory or pipe |
| non-point source pollution | comes from multiply sources like farms and roads |
| dangers to wetland and estuary | pollution and construction |
| va rivers that lead to the chesapeak bay | potamac rappahannock york james |
| va rivers that connect to mississippi river | ohio new |
| va rivers that lead to Albemarie sound | roanoke chowan |
| watersheds on the eastern shore of va | chesapeake bay and atlantic ocean |
| biotic | living things such as plants and animals |
| abiotic | nonliving things such as sunlight air and water |
| types of estuaries | bay lagoon harbor sound inlet |
| jobs of estuaries | recreation, habitat for aquatic organsims, source of food, nursey for young animals |
| jobs of wetlands | filter water, protect land from flooding, habitiat for birds |
| nutrient pollution | caused algae to grow which blocks sunlight and lowers oxygen levels under water so organisms die |
| examples of point source pollution | oil spills, sewage dumped into a river |
| ex. of nonpoint source pollution | runoff from farms and streets, erosion |
| river | fresh water that begins in the mountains, flows downhill, and ends in the ocean. |