Studied by 1 personOcean Conveyor Belt
Large scale circulation of the ocean’s waters that is largely responsible for the transfer of heat from the tropics to the colder regions
Economic Water Scarcity
Where a country physically has sufficient water to meet its needs, but requires additional storage and transport facilities.
Physical Water Scarcity
Where water consumption exceeds 60% of the usable supply.
Grey Water
Waste water that has been produced in homes and offices but doesn’t not contain faecal material.
Water Insecurity
A lack of access to sufficient amounts of safe drinking water.
Aquaculture
Raising fish commercially as food for humans and/or animal feed.
Maximum Sustainable Yield
The rate of increase in natural capital that can be exploited without depleting the original stock or its potential from replenishment.
Biochemical Oxygen Demand (BOD)
A measure of the amount of dissolved oxygen required to break down the organic material in a given volume of water through aerobic biological activity.
Eutrophication
The natural/artificial enrichment of a body of water, particularly with nitrates and phosphates, that results in depletion of oxygen levels in the water.
Biotic Index
The use of plant/animal species to make conclusions about the level of pollution.
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