Streams and Lakes

1
Streams and Lakes

• Water flowing on the Earths surface

2
Distribution of Earths Water
3
(No Transcript)
4
Hydrologic Cycle
5
Streams (Amazon River)
6
Streams (Nile River)
7
Streams (Mississippi River)
8
Mississippi Delta
9
Factors affecting water velocity gradient
10
Factors affecting water velocity channel
characteristics
11
Factors affecting water velocity discharge
12
Water flow profile in a straight channel
13
Base Level
14
Stream Erosion
15
Meanders
16
More meanders
17
Even more meanders
18
Point Bar
19
Braided Channel
20
Braided Channel (small discharge)
21
V-shaped Valley
22
Flood
23
Valley with a Flood Plain
24
River Terraces
25
Natural Levee
26
Delta
27
Nile Delta
28
Alluvial Fan
29
Drainage Patterns