QUIZZES 8-10

Question 1

If ablation exceeds accumulation, a glacier will?

Answer 1

Retreat

Question 2

Identify the alpine glaciers feature

Answer 2

cirque
horn
arete
pater noster lakes
hanging valley

Question 3

Indentify the continental glacier features

Answer 3

terminal moraine
kettle lake
drumlin
esker
outwash plain

Question 3

This is the epoch of geologic time in which the most recent “ice age” occurred.

Answer 3

Pleistocene

Question 4

The Earth’s atmospheric CO2 levels are currently higher than they have ever been in all 4.6 Byr of geologic history.

Answer 4

False

Question 5

According to the Intergovernmental Panel on Climate Change, global sea level will likely _______ by the year 2100.

Answer 5

rise as much as 6.5 feet (2 meters)

Question 6

Milankovitch cycles

Answer 6

are related to the 100,000 year periodicity of the glacial/interglacial cycles that have been occuring for the past 2 Myr.

Question 7

An area where water enters the groundwater flow system is called

Answer 7

recharge area

Question 8

An area where water leaves the groundwater system is called

Answer 8

discharge area

Question 9

Groundwater can flow uphill

Answer 9

YES

Question 10

Which of the following geologic materials would make the best aquifer?

Answer 10

Sandstone

Question 11

Which of the following geologic materials makes a good aquitard?

Answer 11

Granite

Question 12

This groundwater feature has a water table and is relatively rapidly recharged.

Answer 12

Unconfined Aquifer

Question 13

Identify stream cross section

Answer 13

Flood Plain
Stream Bank
Stream Bed

Question 14

The most common drainage pattern is

Answer 14

Dendritic

Question 15

Ions in solution carried by a stream are called

Answer 15

Dissolved Load

Question 16

Fine particles carried long distances suspended by water in a stream are called

Answer 16

Suspended Load

Question 17

The water a stream gains from groundwater is called

Answer 17

Baseflow

Question 18

Coarse particles that are moved along a stream bed are called

Answer 18

Bed Load

Question 19

A flood recurrence interval is:

Answer 19

the percent probability a flood of a certain size will occur each year.

Question 20

A stream has a velocity of 1 ft/sec, a width of 15 ft, and a depth of 3 ft. What is the discharge?

Answer 20

45ft^3sec

Question 21

Which of the following could account for stream discharge decreasing downstream?

Answer 21

Water is leaving the stream and is entering groundwater

Question 22

NSEW

Answer 22

N 0
NE 45
E 90
SE 135
S 180
SW 225
W 270
NW 315

Question 23

Shoreline Features

Answer 23

Arch
Exposed Marine terrace
Spit
Stack

Question 24

Erosion Mitigation Feature(4)

Answer 24

Breakwater Groin Jetty Sea wall

Question 25

Submergent

Answer 25

Sea level rises with respect to land (the land submerges) line is up at the right an low to the left

Question 26

Emergent

Answer 26

sea level lowers with respect to the land (the land emerges) Line is up at the left and low to the right

Question 27

On average, how fast has relative sea level dropped in Sitka during the time of record?

Answer 27

2.25mm/yr

Question 28

A desert is

Answer 28

a dry place (less than 25 cm precipitation per year)

Question 29

Where do the world's largest non-polar deserts occur?

Answer 29

30 degrees latitude (subtropics)

Question 30

Ventifact

Answer 30

sandblasted rocks shaved down rock from quiz

Question 31

yardangs

Answer 31

remanats of soil left behind by wind

Question 32

Blowouts

Answer 32

Depressions carved by wind

Question 33

Desert Pavement

Answer 33

rocks left behind after wind carries fines away