Define a low energy coastal environment.

A low energy coast has small waves, a short fetch and sheltered water. Deposition exceeds erosion and sediment accumulates.

Name two low energy coastal environments in the UK.

The Wash in eastern England and Morecambe Bay in the north-west are low energy environments. Each is wide, shallow and sheltered from Atlantic swell.

What landforms characterise a low energy sandy coastline?

Wide sandy beaches, dune systems and offshore bars characterise a low energy sandy coast. Spits and bars form where longshore drift meets a change in the coast's direction.

Eduqas A-Level Geography A110QS

Coastal LandscapesLandscape

Topic overview The coast as a system: inputs, outputs, stores and transfers Sediment sources, sediment cells and dynamic equilibrium Tides, currents and wave types High and low energy coastal environments Fetch, wave refraction and wave reflection Lithology and structural geology at the coast Sub-aerial weathering and mass movement at the coast Marine erosion processes Cliffs, wave-cut platforms, geos and blowholes Headlands, bays and the cave to stump sequence Coastal transport and longshore drift Coastal deposition, flocculation and sediment sorting Beaches, spits and bars Tombolos, cuspate forelands and sandy coastlines Coastal sand dunes and aeolian processes Estuarine coastlines, tidal flats and salt marshes Coral reefs and mangrove coastlines Storms, seasons and sea level change Coastal processes and human activity Human impacts and coastal management

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Weather and ClimateContemporary theme

Topic overview Structure of the atmosphere The atmospheric heat budget Global atmospheric circulation and the tricellular model Pressure belts and planetary surface winds Oceanic circulation, continentality and altitude The world's major climate types The ITCZ and seasonal migration The monsoon climate The climate of the UK Air masses affecting the UK The jet stream and UK weather ENSO and short-term climate change Vulnerability, resilience and adaptive capacity Hazards of low- and high-pressure systems and their management Urban climates and air quality Climate change: shifting belts, tipping points and response

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Coastal Landscapes

High and low energy coastal environments

3 things to know
Component 1 Section A

Overview

High energy coastal environment, three landforms typical of a high energy rocky coastline and low energy coastal environment.

What you need to know

Answer each one before you reveal it.

Your recallNot started

Key term

Define a high energy coastal environment.

Key term

Where are high energy coasts found in the UK?

Key term

List three landforms typical of a high energy rocky coastline.

Questions from this subtopic

Each one with the model answer underneath.

1
Define a high energy coastal environment.
Model answer
A high energy coast is one where powerful destructive waves and a long fetch dominate. Rates of erosion exceed rates of deposition.
2
Where are high energy coasts found in the UK?
Model answer
High energy coasts face the prevailing south-westerly winds and the open Atlantic. North Cornwall, the west coast of Scotland and Pembrokeshire are examples.
3
List three landforms typical of a high energy rocky coastline.
Model answer
Cliffs, wave-cut platforms and headlands with stacks are typical high energy landforms. Geos and blowholes occur where the rock is well jointed.
4
Define a low energy coastal environment.
Model answer
A low energy coast has small waves, a short fetch and sheltered water. Deposition exceeds erosion and sediment accumulates.
5
Name two low energy coastal environments in the UK.
Model answer
The Wash in eastern England and Morecambe Bay in the north-west are low energy environments. Each is wide, shallow and sheltered from Atlantic swell.
6
What landforms characterise a low energy sandy coastline?
Model answer
Wide sandy beaches, dune systems and offshore bars characterise a low energy sandy coast. Spits and bars form where longshore drift meets a change in the coast's direction.

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