Introduction

Question 1

Types of coastal protection

Answer 1

Coastal barriers
-Strom surge
-road traffic access
-renewable energy
-sheltered regions

Coastal walls
-integrated into the transport system which means failures can have wide implications

Beach restoration
-pumping: quick, expensive so only used for important areas
-breakwaters: slow evolution but has long term benefits for recreation and the environment

Question 2

Water depth regimes

Answer 2

Deep: kd> pi
intermediate: pi > kd > pi/10
shallow: kd< pi/10

Question 3

Coastal zones

Answer 3

1. shoaling
2. breaking
3. surf
4. swash