Earth Science Drainage Patterns

Question 1

What are some human causes of floods?

Accepted Answer

Failure of artificial levee, Breaking of man-made dams

Question 2

What are some natural causes of floods?

Accepted Answer

Major storms, Heavy rainfall, Melting snow

Question 3

What angles does rectangular drainage patterns form?

Accepted Answer

90

Question 4

What do flash floods produce?

Accepted Answer

Rapid levels of water, Destructions of homes

Question 5

Where does water drain to in a centripetal drainage patterns?

Accepted Answer

Drains towards the center of a basin

Question 6

How fast do flood control dams let out water?

Accepted Answer

Slowly

Question 7

What channelization do?

Accepted Answer

Lowers flood height

Question 8

Where do trellis drainage patterns form?

Accepted Answer

Areas underlain by bands of resistant & less resistant rock

Question 9

Wher do artificial levees form?

Accepted Answer

Earthen mounds

Question 10

What causes storms surges?

Accepted Answer

Elevated sea levels

Question 11

What does the branching of dendritic patterns resemble?

Accepted Answer

Deciduous Tree

Question 12

Where does radial draining develop?

Accepted Answer

Domal uplift, Isolated volcano

Question 13

What are nonstructural approaches?

Accepted Answer

None of the above

Questions 13