Key term
AQA GCSE Geography 8035
Climate Change
Coastal Landscapes in the UKUK landscape option
Topic overviewWaves and coastal processes: weathering, mass movement, erosion, transport and depositionCoastal landforms of erosion and depositionIdentifying landforms on a stretch of UK coastlineCoastal management: hard and soft engineering, and a UK schemeManaging the Holderness coast at Mappleton
Cold EnvironmentsLiving world option
Ecosystems
EnergyResource option
FoodResource option
Geographical Applications: Fieldwork Enquiry
Topic overviewChoosing an enquiry question, its theory and its sourcesRisk assessment in fieldworkPrimary and secondary data, and sampling methodsJustifying your data collection methodsChoosing and using presentation methodsDescribing, analysing and explaining fieldwork resultsAnomalies in fieldwork dataDrawing conclusions from an enquiryEvaluating an enquiry: problems, limitations and missing dataHow reliable were your conclusions?
Geographical Skills
Topic overviewAtlas maps: coordinates, distributions and patternsReading thematic maps for physical and human associationsOS maps: scale, grid references, distance and directionOS maps: gradient, contours and landscape featuresOS maps: relief, cross sections and drawing inferencesOS maps: transects, landscape description and human activityComparing maps, sketch maps and photographsDescribing landscapes from photographs, and annotating themChoosing and constructing the right graph or chartCompleting choropleth, isoline, dot, desire-line and flow mapsReading population pyramids, choropleth and flow-line mapsNumber, scale, proportion and ratio, and designing data sheetsDrawing conclusions from numerical dataAverages, spread, percentages and correlationSpotting weaknesses in how data is presentedUsing maps, fieldwork data and GIS as evidenceUsing imagery, written, visual and graphical sourcesUsing numerical and statistical information as evidenceFraming an enquiry and writing about itBuilding an argument and reaching a conclusionIssue evaluation: stakeholders, options and a justified decision
Glacial Landscapes in the UKUK landscape option
Hot DesertsLiving world option
Resource Management
River Landscapes in the UKUK landscape option
Tectonic Hazards
The Changing Economic World
Topic overviewClassifying development, and how it is measuredWhy measures fall short, the Demographic Transition Model, and causes of uneven developmentThe consequences of uneven developmentClosing the development gap, and tourism as a strategyA rapidly developing country: change, industry, aid and impactsNigeria: a newly emerging economyEconomic futures in the UKUK economic change: named examples
Tropical Rainforests
UK Physical Landscapes
Urban Issues and Challenges
Topic overviewGlobal urbanisation: patterns, trends and what drives themThe rise of megacitiesA major city in a poorer or emerging country, and planning for the urban poorRio de Janeiro: growth, opportunities and challengesThe UK's urban population and a major UK cityBristol: urban change in a major UK cityAn urban regeneration projectSustainable urban living and urban transport
WaterResource option
Weather Hazards
Topic overviewGlobal atmospheric circulation: pressure belts and surface windsWhere tropical storms form, and whyThe structure of a tropical storm, and the effect of climate changeThe effects of and responses to tropical stormsReducing the effects of tropical stormsWeather hazards in the UKAn extreme weather event in the UK, and evidence of more extreme weather
River Landscapes in the UK
Flood risk, hydrographs and flood management strategies
- 3 things to know
- Paper 1 section C
Overview
How rainfall, geology, relief and land use affect flood risk, reading hydrographs for discharge, lag time and flashy rivers, and the benefits and costs of dams, straightening, embankments, relief channels, warnings, zoning, tree planting and river restoration.
What you need to know
Answer each one before you reveal it.
Your recallNot started
Key term
How does heavy rain falling for several days raise the chance of a flood?
Key term
Why can a short, intense downpour cause a flood even after a long dry spell?
Questions from this subtopic
Each one with the model answer underneath.
- 1
How does heavy rain falling for several days raise the chance of a flood?
Model answer
The soil becomes saturated and can hold no more water, so any further rain runs straight over the surface into the channel.
- 2
Why can a short, intense downpour cause a flood even after a long dry spell?
Model answer
Ground baked hard by the sun cannot absorb water quickly enough, so most of the rain runs off the surface and reaches the river fast.
- 3
How does impermeable rock beneath a valley raise the risk of flooding?
Model answer
Water cannot soak down into it, so rainfall runs quickly over the surface and river levels rise sharply.
- 4
Why is the risk of flooding greater in a steep-sided valley than in a gently sloping one?
Model answer
Water races downhill into the channel instead of soaking in, so the river receives it all in a very short space of time.
- 5
How does covering land with buildings and roads change the way rainfall reaches a river?
Model answer
Tarmac and concrete are impermeable and drains and gutters carry water straight to the channel, so runoff is both faster and greater.
- 6
How does clearing woodland for farming or grazing affect the flood risk?
Model answer
Without trees to catch rain on their leaves and draw water up through their roots, more rain reaches the ground and runs off into the river.
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