Chapter 14 Shorelines, Glaciers, and Sea Level

Question 1

The Unconsolidated sediment extending from low tide to the dunes or other topographic high is called?

Answer 1

Beaches

Question 2

A continuation of a beach forming a point that extends into a body of water. Currents can cause the spit to curve are called?

Answer 2

Spits

Question 3

• Created when water piled up on the beach and transported laterally, flows back through the breaker zone
• Rip Currents kill 100’s of swimmers each year
• Swim Parallel to shore to escape is the origin of?

Answer 3

Rip Currents

Question 4

A passive continental margin is the origin for what?

Answer 4

Barrier Islands

Question 5

Elongated sand bodies parallel to the shoreline is called a?

Answer 5

Barrier Island

Question 6

Depends on the sea level, if sea level rises the Island migrate landward is describing the

Answer 6

Future of Barrier Islands

Question 7

Wind, waves, storm surge, and rainfall are examples of?

Answer 7

Hurricane Damage

Question 8

alpine glacier= Mountain glacier- follow valleys, advance few cm/day is describing?

Answer 8

Valley Glaciers

Question 9

Ice Sheet- huge mass of ice that flows out in all directions is describing?

Answer 9

Continental Glacier

Question 10

At thickness > 50 meters is what stage movement of glaciers?

Answer 10

Plastic Flow

Question 11

Entire ice mass slips, may move up to several meters per day is a stage movement of glaciers

Answer 11

Basil Slips

Question 12

Brittle upper 50 meters, carried “piggyback” is a stage in movement of glaciers.

Answer 12

Zone of Fracture

Question 13

Gaping cracks in zone of fracture when glacier flows over irregular terrain is a stage of what movement of glaciers

Answer 13

Crevasses

Question 14

Snowfall > Snow melt

Answer 14

Zone of Accumulation

Question 15

(Ablation) - snowfall

Answer 15

Zone of wastage

Question 16

Outer limits of accumulation

Answer 16

Snow Line

Question 17

• Lossens and lifts blocks of rocks

* melt water in cracks causes frost wedging

Answer 17

Plucking

Question 18

“Sand paper” effect of rock fragments is called?

Answer 18

Abrasion

Question 19

Silt- clay- sized pulverized rock is called?

Answer 19

Rock Flour

Question 20

Large rock fragments produce scratches and grooves is called?

Answer 20

Glacial Striations

Question 21

What is a U- Shaped valley?

Answer 21

Glacial Trough

Question 22

The Main glacier cut deeper valleys all ice melts and tributary valleys stand above main valley may produce water falls is called?

Answer 22

Hanging Valleys

Question 23

The Depressions on valley floor formed by erosion, forms string of lakes is called ?

Answer 23

Pater Noster Lakes

Question 24

A Bowl- shaped depression at head of glacial valley is called?

Answer 24

Cirque

Question 25

A Small lake in cirque is called?

Answer 25

Tarn

Question 26

A Sharp edged ridge, between two glacial valleys is called?

Answer 26

Arête

Question 27

Pyramid like peak, formed by 3 or more cirque is called

Answer 27

A Horn

Question 28

Pass from one valley into another is called?

Answer 28

A Col