Supply and Physical Geography (AQA A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
Coalification
Coalification
Process transforming buried plant matter into coal via heat & pressure
Anthracite carbon %
Anthracite carbon %
86-98%
Oil & gas source organisms
Oil & gas source organisms
Marine organisms (plankton, algae, small animals)
Kerogen
Kerogen
Waxy substance from organic matter heated above 110°C
Cap rock function
Cap rock function
Impermeable layer that traps oil & gas, blocking upward migration
Anticline trap
Anticline trap
Rock layers folded upward into dome shape, trapping hydrocarbons
Hydraulic fracturing (fracking)
Hydraulic fracturing (fracking)
High-pressure water fractures shale to release trapped oil & gas
Best regions for solar energy
Best regions for solar energy
Tropical & sub-tropical regions (most reliable sunlight)
Min. avg wind speed for wind farms
Min. avg wind speed for wind farms
Above 5.5 metres per second
HEP power equation
HEP power equation
Power = Head × Flow × Gravity