Climate, Ice ages, Desert, and glaciers Flashcards

1
Q

A moraine that forms along the front edge of the ice flow is called a ________ moraine

A

Terminal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or False:

A continental ice sheet thickness can sometimes be measured in miles

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The process that forms desert pavement from alluvial sediments is

A

Deflation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The highest rates of movement with a continental ice sheet are measured in

A

Kilometers per year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A valley glacier is also referred to as an____ glacier

A

Alpine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The term loess refers to this feature found in parts of some deserts

A

Deposits of wind blown clay and silt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

True or False:

Wind is the constant change agent in a desert environment and water does not play a role

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

True or False:

When a glacier flows, the fastest part of the movement occurs near the base of the ice flow

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Does sea level fall or rise during ice ages

A

Sea levels fall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Feature not formed in a desert environment

A

moraine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A continental glacier can exist in an area that does not receive annual snow accumulation

A

True- Cold summer needed for ice age

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The great continental glaciers of the last ice age were melting away around______ years ago

A

15,000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Mountains can play a role in creating a desert by creating a

A

Rain shadow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Who was first to recognize ice ages

A

Luis Agassiz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following is true about ice ages and sea level?

A

sea level falls during ice ages

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Deserts form at around this latitude on planet Earth?

A

30 degrees

17
Q

Deserts form at around this latitude on planet Earth?

A

30 degrees

18
Q

Which of the following statements is true about Cenezoic ice ages on Earth?

A

We have only had ice ages in the last couple million years of the Cenezoic

19
Q

pick from the following all the methods that enable us to interpret paleoclimate from ocean sediments?

A

Analysis of fossils contained in the sediments
Analysis of stable isotope concentrations in the sediments
Analysis of sediment type and compostion