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Vocabulary Words
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Headwater : The point of origin of a river.
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Mouth : The term used to describe the end point of a river where it empties into a lake or ocean.
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Delta : The formation that results at the mouth of a rier where sediments carried by the river have been deposited.

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Slope : An inclined surface that is at a particular angle to a horizon.

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Watershed :The total land area that is drained by a particular river system also known as a drainage basin.

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Drainage Basin: The total land area that contributes water to a river sytem, pond, or lake; also known as a watershed.

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Velocity :
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Meandering : The reoccuring S-Shape in a river system.
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Erosdion : The movement of rock particles or soil by wind, water, and the force of gravity.


Cutbanks : A specific physical feature of a flowing body of water caused by the eroision of material away from the outside curve of a meander,
resulting in a steep drop off.


Riffle : The particular point in a flowing body of water that is relativley straight and shallow, where sediments are deposited, forming turbulent water.


Point bar : The point in a stream or river, located on the inside curve of a meander, where sediments are deposited.


Aquifer
: Large amounts of water stroed in porous or fragmented rock underground.

groundwater
: Naturally occuring freshwater that flows or is stored underground in rock or sediments.

Porosity
:

Permeability
:

Spring
:

Runoff
: The rapid loss of soils, sediments, or other substances as a result of being wasted away by rain or melting snow.

Unconfined aquifer
:

Confined Aquifer
: Groundwater that is located below the impermeabel rock layer.

Water Table
: The uppermost level of the soil where the pore spaces are completley saturated by ground water.

Zone of Saturation
: The area of soil where all the pores in the soil are filled with water.

Zone of Aeration
: The area of the soil where all the pores are not filled with water.