15

Question 1

Eolian

Answer 1

Work of wind.

Question 2

Eolian erosion is controlled by

Answer 2

Particle grain size.

Question 3

Intermediate

Answer 3

Move easily by bouncing.

Question 4

Large

Answer 4

Resist movement due to their weight.

Question 5

Small

Answer 5

Resist movement due to their mutual cohesiveness.

Question 6

Deflation

Answer 6

Lifting and removal of individual loose particles.

Question 7

Abrasion

Answer 7

Grinding of rock surfaces via “sandblasting.”

Question 8

Blowout depression

Answer 8

Basins created by the removal of
material (1-100+ meters).

Question 9

Ventifacts

Answer 9

Rocks shaped by the
abrasive force of wind-blown
particles.

Question 10

Yardangs

Answer 10

An elongated wind-sculpted ridge.

Question 11

There is a drag on particles until

Answer 11

they become airborne.

Question 12

Distance carried depends on

Answer 12

particle size & wind speed.

Question 13

Surface creep

Answer 13

Sliding or rolling of particles across the ground due to the impact of saltation.

Question 14

Suspension

Answer 14

In the air.

Question 15

Saltation

Answer 15

Bouncing

Question 16

Erg

Answer 16

A sand sea or an area predominated by dunes
(e.g., Sahara, Saudi Arabia).

Question 17

Barchan Dunes

Answer 17

Moon shape
Horns face downwind
Areas of minimal sand
Constant wind direction

Question 18

Transverse Dunes

Answer 18

Extensive parallel rows
High sand
Constant wind direction
Waves

Question 19

Longitudinal Dunes

Answer 19

Two different wind directions
Areas of minimal sand
“long road”

Question 20

Loess Deposits

Answer 20

Thick deposits of fine-grained
material (clays, silts, fine sand) by eolian processes.

Question 21

Wash

Answer 21

A dry stream bed.

Question 21

Slot canyon

Answer 21

Long, narrow channel with sheer rock walls.

Question 22

Playa

Answer 22

A dry lake bed.

Question 23

Alluvial fan

Answer 23

Fan-like deposit of sediments at the mouth of a canyon stream.

Question 24

Chihuahuan desert

Answer 24

Largest North American Continent. Subtropical high and rain shadow.

Question 25

Sonoran desert

Answer 25

Hottest North American desert. Subtropical high and rain shadow. Saguaro National Park.

Question 26

Great Basin

Answer 26

Largest desert in the U.S. Semi-arid.

Question 27

Mojave

Answer 27

Rain shadow desert. Smallest of the North American deserts. Death Valley National Park.