Surface Water

1
Surface Water

• Chapter 9

2
Stream Stages
Youthful
Old

• ________
• Rapids
• Waterfalls
• Fast-moving water
• Steep slope

• _______
• Broad floodplain
• Meanders
• Oxbow lakes
• Meander Scars

3
Important Definitions
River System

• ____________ a stream and all its tributaries
• ________ a smaller stream that empties into a
  larger stream
• _________ the land area drained by a river
  system
• ______ a high point that separates river
  systems

Tributary
Watershed
Divide
4
________ the bends and curves of a stream
Meanders
5
Oxbow lake
deposition
erosion
6
____________ deposit formed when a stream
spreads out onto a less steep area
Alluvial Fan
7
_____ where a stream empties into a larger body
of water
Delta
8
____________ when an old age stream downcuts to
make it new again
Rejuvenation
9
Stream Load

• A stream can carry its load in three different
  ways
• 1.________ material is dissolved
• 2.__________ particles are held up by streams
  moving water
• 3._________ material pushed or rolled along
  the streams channel

solution
suspension
bed load
10
Stream Discharge

• Discharge is the amount of water that flows past
  a point in a certain amount of time.
• Discharge is dependent upon velocity, depth, and
  width of the stream.
• Discharge _______ x _____ x _____

velocity
depth
width
11
Surface Water Review
solution, suspension, bed load
land area drained by a river system
divide
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