Introduction

• Definition of Coastal Processes
• Overview of the Five Coastal Processes

Corrasion

• What is Corrasion?
• Examples of Corrasion
• Effects of Corrasion

Abrasion

• What is Abrasion?
• Examples of Abrasion
• Effects of Abrasion

Hydraulic Action

• What is Hydraulic Action?
• Examples of Hydraulic Action
• Effects of Hydraulic Action

Attrition

• What is Attrition?

• Examples of Attrition

• Effects of Attrition

  Corrosion/Solution

• What is Corrosion/Solution?

• Examples of Corrosion/Solution

• Effects of Corrosion/Solution

  Conclusion

  Glossary

  Introduction to Coastal Processes

As a sailing expert, I’m sure you know that the coastlines around the world are constantly changing due to different processes. These processes, known as coastal processes, are the main cause for coastal erosion, which can be defined as wearing away or displacement by waves and currents. This article will provide an overview of the five main coastal processes.

## Corrasion

The first process is known as corrasion. This occurs when waves pick up beach material (e.g. pebbles) and hurl them at the base of a cliff, wearing it away through impact. This process can be seen in action if you watch a wave crash against a cliff face; you’ll often see pebbles and other beach material being thrown up against it and chipping away at the rock face. The effects of corrasion can be seen in many places around the world; for example, in Devon, England there are several cliffs which have been worn away due to corrasion from waves crashing against them over time.

## Abrasion

The second process is abrasion. This occurs when waves carry sand and other sediment against rocks or cliffs, which slowly grinds them away over time. This process is often seen in action on rocky beaches where there are cliffs close by; you’ll often find that they have been worn down due to the constant grinding action from sand carried by waves hitting them. The effects of abrasion can also be seen on many beaches around the world where large rocks have been slowly worn down over time due to this process.

## Hydraulic Action

The third process is hydraulic action. This occurs when water forces its way into cracks in rocks or cliffs and then expands rapidly when compressed by waves; this causes cracks to widen and deepens existing ones, leading to further erosion. You’ll often see this process in action if you look closely at a cliff face; there will usually be several small cracks caused by hydraulic action from waves crashing against it over time. The effects of hydraulic action can also be seen in many places around the world; for example, in North Wales there are several areas where cliffs have been eroded due to hydraulic action from waves hitting them over time.

## Attrition

The fourth process is attrition. This occurs when waves crash against rocks or pebbles on a beach and wear them down gradually until they become smooth and round; this process works together with abrasion to erode cliffs and beaches over time. The effects of attrition can be seen on many beaches around the world where large rocks or pebbles have been worn down over time due to this process working together with abrasion.

## Corrosion/Solution

The fifth and final process is corrosion/solution, which occurs when seawater reacts with certain types of rock (such as limestone) and dissolves it gradually over time; this leads to further erosion on coasts affected by this process. The effects of corrosion/solution can be seen in many places around the world; for example, along parts of the south coast of England there are several areas where cliffs have been eroded due to corrosion/solution from seawater reacting with limestone rock over time.

## Conclusion

In conclusion, these five coastal processes (corrasion, abrasion, hydraulic action, attrition & corrosion/solution) are responsible for most coastal erosion around the world today. Each one has its own unique effect on coasts depending on their type & location; however they all work together to slowly wear away coasts over time until they reach their current state today!

## Glossary
Corrassion: The process whereby waves pick up beach material (e.g., pebbles) and hurl them at the base or side walls of a cliff thereby eroding it through impact                                                                                                                                  Abrassion: The grinding away or displacement by waves or currents carrying sand or other sediment against rocks or cliffs                                             Hydraulic Action: The force exerted by water forced into cracks in rocks which causes them to expand rapidly when compressed by wave motion leading to further erosion                                              Attrition: The wearing down or grinding down by two surfaces rubbing against each other caused by wave motion                                              Corrosion/Solution: The gradual dissolving away due to seawater reacting with certain types of rock (such as limestone) leading to further erosion