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Virginia's Watersheds
Watershed Vocabulary
22
Science
6th Grade
03/27/2010

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Term
brackish
Definition
Describes water that is partly fresh and partly salty
Term
wetland
Definition
An area of land that is covered with a shallow layer of water for some or all of the year
Term
tributary
Definition
Smaller streams and rivers that feed into a major river
Term
River System
Definition
A river and all of its tributaries
Term
watershed
Definition
An area of land that supplies water to a river system
Term
divide
Definition
A ridge of land that separates one watershed from another
Term
estuary
Definition
Coastal inlets and bays where fresh water from rivers mix with salty ocean water
Term
drainage basin
Definition
another name for watershed
Term
In which watershed is CMS located?
Definition
York River Watershed
Term
How many states are in the Chesapeake Bay watershed?
Definition
6
Virginia, West Virginia, Maryland, Pennsylvania, Delaware, New York
Term
How many watersheds are there in
VIRGINIA?
Definition
14
Term
How many watershed REGIONS are there in
VIRGINIA?
Definition
4
Term
What watersheds DO NOT empty into Chesapeake Bay?
Definition
Albemarle, Chowan, Roanoke, Yadkin, New, Holston, Clinch/Powell, Atlantic Coastal
Term
What does “Delmarva” stand for?
Definition
Delaware, Maryland, Virginia
Term
Name some major bodies of water to which waters from Virginia may flow.
Definition
Chesapeake Bay, Atlantic Ocean, Mississippi River, Gulf of Mexico, North Carolina Sounds
Term
What are some causes of non-point source pollution?
Definition
sediment from construction sites;
fertilizer and other lawn chemicals;
runoff from parking lots;
litter from storm drains
Term
What are the 4 major rivers of Virginia from NORTH to SOUTH?
Definition
Potomac
Rappahannock
York
James
Term
What are some characteristics / advantages of wetlands?
Definition
1)They are sheltered areas of water with trees and grasses 2) They provide a habitat for wildlife and many other living things 3) They have a rich supply of nutrients 4) They help control floods by absorbing runoff
Term
erosion
Definition
the process by which the surface of the earth is worn away by the action of water, glaciers, winds, and waves
Term
riparian buffer
Definition
a belt of trees, shrubs and grasses located next to a body of water;
Riparian buffers help reduce erosion and to intercept sediment and other pollutants in runoff.
Term
runoff
Definition
water that drains or flows off from the land into streams and rivers.
Term
sediment
Definition
material carried by moving water that settles into rivers and streams
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