Aeolian Environment Flashcards

1
Q

Less capable of picking up and transporting coarse materials but can spread sediment over large area as well as high into the atmosphere

A

Air transport

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

Capable of picking up and transporting coarse material

A

Water transport

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

Windblown sands are moved by skipping and bouncing along the surface

A

Saltation

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

Saltating grains collide mid air, before reaching the bed

A

Sheet flow

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

Larger, heavier grains are transported while still in contact with the ground

A

Traction

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

The process whereby traction load maintain grain to grain collision

A

Creep

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

Grinding action, while on transit wind borne particles often collides with one another

A

Attrition

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

May aid shaping of some of the detail of major form

A

Wind abrasion

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

Lifting and removal of loose, grained materials from earths surface

A

Deflation

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

Consist of finer particles suspended in the air

A

Suspended load

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

used as paleocurrent indicator

with still pointed crest

A

wind or sand ripples

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

mounds and ridges of sand fro wind’s bed load

A

dunes

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

solitary crescent shaped dunes

A

barchan

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

long ridges seperated by troughss and oriented at right angle to the prevailing wind

A

transverse

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

between barchan and transverse dunes

A

barchanoid

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

long ridges of sand that forms parallel to the prevailing wind

A

longitudinal

17
Q

forms when vegetation partially covers the sand

A

parabolic dunes

18
Q

isolated radiating hills of sand, star - shaed, variable wind direction

A

star dunes

19
Q

extensive blankets of silt

A

loess

20
Q

created by pattern of the earth’s air circulation and topgraphy of the land, can be seen in the tropic of cancer and capricorn

A

low latitude deserts

21
Q

prevailing winds meet mountain barriers, the air is forced to ascend. when air rises it expands and cools, that precipitates water, as the air descends in the leeward side the air is much drier and creates the cold desert

A

mid latitude deserts

22
Q

semi arid

A

steppe