Starter Name the main depositional landforms Beaches Spits
Starter: Name the main depositional landforms • • • Beaches Spits Bars Tombolos Dunes Salt Marshes
Depositional Landforms: Beaches What percentage of material which makes up beaches Answer comes from: 5% • Cliff erosion 5% • Offshore (seabed) 90% • Rivers Clue: 5% 90% 5%
Depositional Landforms: Beaches • What is the relationship to the size of beach material and the beach angle? • In groups, discuss the reason for this relationship.
Depositional Landforms: Beaches 1) Where does the material for a beach come from? 2) What is the relationship between the beach material size and the angle of the beach? 3) Why does this occur?
Learning objectives: • To be able to describe and explain the formation of beach features.
Depositional Landforms: Beaches Discuss on your tables the following: • Why is the shingle at the top of the beach? • How are the following formed: Storm beaches, berms, beach cusps, ripples, runnels and ridges?
Ridges and Runnels
Depositional Landforms: Beaches Discuss on your tables the following: • Why is the shingle at the top of the beach? • How are the following formed: Storm beaches, berms, beach cusps, ripples, runnels and ridges?
Beach cusps https: //youtu. be/84 TWH 4 CSf. Ts
Depositional Landforms: Beaches Discuss on your tables the following: • Why is the shingle at the top of the beach? • How are the following formed: Storm beaches, berms, beach cusps, ripples, runnels and ridges?
Ripples
Depositional Landforms: Beaches 1) Where does the material for a beach come from? 2 a) What is the relationship between the beach material size and the angle of the beach? b)Why does this occur? 3) Draw the beach feature diagram into the centre of your page. • Add annotation and explanation around the diagram of the different features of beach using the text book to help.
Plenary
Plenary/HW Exam practise 7 marks
- Slides: 14