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25 Cards in this Set
- Front
- Back
Topography
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The study of Earth land forms
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Contour Line
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A line on a map that connects points of equal elevation
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Contour Interval
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The distance in elevation between two contour lines
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Slope
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The steepness of the land
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Elevation
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The height of the land above some point
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Aspect
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The compass direction toward which the land slopes
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Ridge
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A line of higher elevation
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Divide
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Ridge separating two watersheds
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Stream
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A body of water with a detectable current, confined within a bed and banks
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Headwater
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The original point from which the river flows
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Mouth
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Th end point to which a river flows out of
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Watershed
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The land area from which surface runoff and groundwater flows into a particular river, lake, stream, pond, or other body of water
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Impervious
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Solid surface (groundcover) in which water cannot pass
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First Order Stream
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Primary tributary in a river system
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Dissolved Oxygen
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The amount of oxygen dissolved in water
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Biochemical Oxygen Demand
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Amount of oxygen needed for decomposition by decomposers
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Fcal Coliform
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The bacteria present in the intestines of warm-blooded organisms
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pH
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The measurement of H+ ions in a solution
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Temperature
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The measurement of heat within the water
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Nitrate
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The amount of nitrates in the water
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Phosphates
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The amount of phosphates int he water
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Turbidity
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The cloudiness of the water
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Total Solids
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Suspended and dissolved solids in the water
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Overall Water Quality Index
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Combination of all water tests to indicate water quality
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Macroinvertebrates
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Organisms without a backbone which can be viewed with the unaided eye
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