Classification of Resources (AQA A-Level Geography): Flashcards
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Stock resources
Stock resources
Non-renewable, finite, formed over millions of years
Flow resources
Flow resources
Renewable resources, naturally renewed at measurable rates
Examples of non-critical flow resources
Examples of non-critical flow resources
Tides, waves, wind, solar - everlasting, don't need management
Reserves (stock resources)
Reserves (stock resources)
Part of resource available with current economics & technology
Sustainable development
Sustainable development
Resource management ensuring future generations can meet needs
Groundwater
Groundwater
Water stored underground in soil, sand, rock; moves thru aquifers
Water abstraction
Water abstraction
Removal of water from rivers, lakes, aquifers, etc.
% of freshwater easily available for human use
% of freshwater easily available for human use
Only about 1%
Resource peak
Resource peak
Point when max production rate occurs, then declines
Critical flow resources characteristic
Critical flow resources characteristic
Can be depleted by overuse if exploited faster than replaced