AQA Geography GCSE 9-1 Relief, Rivers, Glaciers

Beschreibung

Here is a flashcard collection to test knowledge of the 9-1 Geography chapters which are stated in the Title
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Frage Antworten
What is Relief? Relief is the steepness of slopes, shapes of landscape features and height above sea level of land. This greatly depends on the geology of the land.
What is the Relief of the UK? The South-East of the UK is generally flat land below 330 metres e.g. Cotswold Hills the South-West and the North is composed of steeper higher altitude land e.g. Arran The highest point is Ben Nevis
Give an example of a river River Tees : from Cross Fell (823 m) to Darlington to Middlesbrough River Severn : West UK near welsh border
Name a waterfall High Force on river tees 20 m drop hard rock is Dolerite soft is limestone
Four types of River Erosion? Abrasion (Rocks hurled towards) Attrition (Rocks Banging Together) Hydraulic Action (Force from water in cracks) Solution (Dissolved rocks making water acidic) These can happen laterally or vertically
How does a river change as you move down? Upper - Turbulent, Steep, lots of friction and varying water speeds usually slow but can speed up with rapids, narrow and shallow. Middle - More lateral and verticle erosion, wider and deeper, floodplains, less water touching surface faster flow Lower - Very gentle slope. Wider and deeper but deposition is dominant as water has lost energy depositing a lot of alluvium (levees).
Main features of courses? Upper - V-Shaped River Valley Interlocking Spurs Middle - Meanders Ox-bow lakes Floodplains Lower - Levees Estuararies
What does a meander look like?
Four types of transportation Big to Small? Traction (Big rolling) Saltation (Medium skidding) Suspension (Floating) Solution (Dissolved)
Name a town which has carried out flood management. Banbury
Describe the Banbury Floods In 1998 Banbury was hit by a flood causing £12.5 in damages and disrupting homes and businesses. They were hit again in 2007 causing more disruption.
What has Banbury done to reduce flood risk? In 2012 they devised a flood defence scheme including . A 2.9 km embankment parallel to M40 . Reservoir 3 million m^3 storage . Pumping . Biodiversity trees, animals to absorb excess water. - Cost 18.5 million + Less Anxiety + Less Destruction Costs + Contributes to environment
Describe Cockermouth Flood On 19 November 2009 the river running through Cockermouth flooded causing mass destruction
Causes of Cockermouth Flood? . Moist air forced up by relief causing heavy rainfall causing 31.4 cm of rain in 24 hours . Impermeable flood plain . Saturated soil . Cumbrian mountains steep
Physical Flood Causes? - Preciptation (Heavy rain) - Geology (Impermeable rocks causing over flow) - Steep slopes (From mountains)
Human Flood Causes? - Urbanization (Impermeable rocks and drainage into river) - Deforestation (Trees absorbing water) - Agriculture(Arable farming leads to impermeable land)
What is the name of river material? Alluvium (Mud, Clay and Sand)
What is Hard Engineering Hard engineering involves use of man made structures to prevent natural processes occuring
What is Soft Engineering This involves working with the rivers natural processes to manage flood risk
Name 3 Soft Engineering Methods Possible answers Afforestation Floodplain zoning River Restoration Wet lands and flood storage areas
Name 3 Hard Engineering Methods Possible answers : Flood relief channels Embankments Dams and Reservoirs Channel Straightening (Cuts across meanders speeding up river flow)
Upper Course Glacier Features? - Corries - Arêtes (2 corries meet) - Pyramidal peak (3 or more corries)
What does a pyramidal peak look like on a map?
What is freeze thaw? (Physical Weathering) In the night in winters water enters the cracks of rocks and freezes expanding by 9% exerting stress and breaking rocks. This processes is repeated breaking off rocks called scree . Leaving a jagged landscape . Weakening rock for abrasion . Providing material for abrasion
Name the 2 glacial erosion methods Abrasion (Rubbing scree on the rocks) Plucking (Freezing and prying off rocks)
Name the glacial sediment Moraine - Lateral - Medial - Terminal - Ground
How is glacial sediment transported? It either freezes in the ice then the ice melts or it is bulldozed by the glacier
Name 4 Features of a u-shaped glacial valley - Glacial trough - Truncated Spurs (Cut across V-Shaped) - Ribbon lake (Tributaries join making thicker ice or band of less resistant rock) - Hanging valley
What does a corrie look like
Give an example of a corrie Llyn Cau in wales\Mount Fuji Japan
Name the 4 main uses of glaciated areas. . Farming (Fertile land) . Tourism . Quarrying . Forestry
Name 4 conflicts in glaciated areas Possible answers : Quarrying and Farming (Making land unusable and damaging environment) Farming and Tourism (Gates left open and footpath erosion) Quarrying and Forestry Locals and Tourism Tourism and Quarrying
Why is the lake district attractive? . Beautiful natural glacial landscape . Good for hiking, biking, rock climbing . Scafell Pike highest mountain in England . Scenic Villages like Ambleside . Inspired poets . Beatrix Potter writer of Peter Rabbit lived close to windmere
Social impacts of tourism in lake distirct + In 2014 15 million tourists visited impacting 40,000 residents + 89% of tourist come by car causing congestion on narrow roads - 20 % of properties are tourism related increasing land prices - Seasonal jobs
Economic impacts of tourism in lake distirct + £1 billion spent by tourists in 2014 + Many jobs + New businesses for local people - Traffic slows business activity
Economic impacts of tourism in lake distirct - Footpath erosion - Physical pollution (litter, damage to verges by cars) - Walkers can damage farm crops and disturb sheep and cattle
How does the lake district manage traffic congestion? Traffic Congestion : - Dual carriageway roads - Public Transport - Park and Ride Schemes - Traffic calming measures such as speed bumps These have greatly improved traffic congestion
How does the lake district manage footpath erosion? The 'fix the fells' project involved replacing footpaths with more resistant locally sourced rocks to make the footpaths last longer but it still requires a lot of attention.
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