Definitions to Know
point source pollution--pollution coming from one source, easily identified, such as a pipe from a factory.
non-point source pollution--pollution that washes into waterways from other places, such as off the yards and streets.
watershed--the region of higher land draining all its runoff into a river.
runoff--rain or snow which is not absorbed into the ground, but instead flows across the ground and eventually runs into streams and rivers.
flow--the amount (volume) of water which is traveling downstream at a given point.
biodiversity--a variety of life forms living in an area which may be dependent on each other. Greater biodiversity usually is a sign of health.
titration--carefully dripping chemicals from a measuring device, like a buret, into a solution to check for a chemical reaction, such as color change.
riparian zone--the area along a creek or stream including the banks.
PH--a measure of hydrogen ion concentration, or how acidic or basic the wter may be. measured from0-14, wit 7 being neutral.
turbidity--the amount of sediment floating in the water.
riffles & pools--riffles are small, shallow rapid areas, pools are deep calm areas.
dissolved oxygen--the amount of oxygen dissolved in the water.
stream bed--the bottom and sides of the stream, which water flows in.
conservation--the wise use, care, and capturing of a natural resource such as water in homes, farms, businesses, schools and wild land areas.
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