Coastal Erosion

Question 1

Rip-rap
________ and________ to protect the sand dunes.
Large _____ placed in front of the cliff.
Advantages of rip-rap
1.___________ wave energy
2.E_________ for ______ _______
Disadvantages fo rip-rap
1.Can make the beach ______________ to ______.
2.___________
3.Not effective in ________ ___________.

Answer 1

Rip-rap and seawall to protect the sand dunes.
Definition: Large rocks placed in front of the cliff.
Advantage: 1.Dissipates wave energy
2.Effective for many years
Disadvantage: 1.Can make the beach inaccessible to tourist
2. Unattractive
3. Not effective in storm conditions

Question 2

Recurved seawall
Made of _______
Have a _________ face

Answer 2

Made of concrete.

Have a recurved face

Question 3

Destructive waves
Responsible for \_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_ and for \_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_ from coastal line.
 \_\_\_\_\_\_\_\_\_ stronger than the \_\_\_\_\_\_\_\_\_.
Break \_\_\_\_\_
High in \_\_\_\_\_\_\_\_\_\_\_ to their length.
Found in \_\_\_\_\_\_\_\_\_ beaches

Answer 3

Destructive waves 
Responsible for taking sediment away from coastlines. 
Backwash stronger than the swash
Break frequently
High in proportion to their length.
Found in steep beaches.

Question 4

Headland

A ____________ of land ______ _____ into the _____.

Answer 4

Headland

A promontory of land jutting out into the sea.

Question 5

Bay

A __________ coastal _____ often with a __________.

Answer 5

Bay

A broad coastal inlet often with a beach.

Question 6

Wave-cut platform

A ______ ______ sloping ______ surface at the _________ foot of a cliff.

Answer 6

Wave-cut platform

A wide gently sloping rocky surface at the foot of a cliff.

Question 7

Wave-cut notch

A small ________ cut into a cliff roughly at the level of _____ ____ caused by ___________ ____ erosion at the level.

Answer 7

Wave-cut notch
A small indentation cut into a cliff roughly at the level of high tide caused by concentrated marine erosion at this level.

Question 8

Cave

A _________-_____ feature at the base of an eroding cliff.

Answer 8

Cave

A hollowed-out feature at the base of an eroding cliff.

Question 9

Arch

A ________ that has been partly _____ through by the ____ to form a ______-_____ arch.

Answer 9

Arch

A headland that has been partly broken through by the sea to form a thin-roofed arch.

Question 10

Stack

An ______ ______ of rock sticking out of the sea.

Answer 10

Stack

An isolated pinnacle of rock sticking out of the sea.