3. Important DefinitionsImportant Definitions
____________ – a stream and all its____________ – a stream and all its
tributariestributaries
________ – a smaller stream that empties________ – a smaller stream that empties
into a larger streaminto a larger stream
_________ – the land area drained by a_________ – the land area drained by a
river systemriver system
______ – a high point that separates river______ – a high point that separates river
systemssystems
River System
Tributary
Watershed
Divide
4. ________ – the bends and curves________ – the bends and curves
of a streamof a stream
Meanders
6. ____________ – deposit formed when a____________ – deposit formed when a
stream spreads out onto a less steep areastream spreads out onto a less steep area
Alluvial Fan
7. _____ – where a stream empties_____ – where a stream empties
into a larger body of waterinto a larger body of water
Delta
8. ____________ – when an old age stream____________ – when an old age stream
downcuts to “make it new again”downcuts to “make it new again”
Rejuvenation
9. Stream LoadStream Load
A stream can carry its load in threeA stream can carry its load in three
different ways:different ways:
1.________ – material is dissolved1.________ – material is dissolved
2.__________ – particles are held up by2.__________ – particles are held up by
stream’s moving waterstream’s moving water
3._________ – material pushed or rolled3._________ – material pushed or rolled
along the stream’s channelalong the stream’s channel
solution
suspension
bed load
10. Stream DischargeStream Discharge
Discharge is the amount of water thatDischarge is the amount of water that
flows past a point in a certain amount offlows past a point in a certain amount of
time.time.
Discharge is dependent upon velocity,Discharge is dependent upon velocity,
depth, and width of the stream.depth, and width of the stream.
Discharge = _______ x _____ x _____Discharge = _______ x _____ x _____velocity depth width
12. Surface Water Review (continued)
in the center
along the sides and bottom because of the
friction with the channel
a bend or curve in the stream
Maximum on the outside of the
meander and minimum on the inside
inside of meanders
channel