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Hydrological Cycle
Where free water is transported between the environmental regimes of the land, atmosphere and oceans.
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Particulates
Chemical constituents associated with particulate which do not pass through a 0.45μm membrane filter.
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Colloidal Material
Elements that may not be retained i.e. pass through a 0.45μm membrane filter being operationally defined as dissolved.
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DMS
Dimethyl Sulphide, volatile gas derived from a combination of phytoplanktonic/ bacterial activity.
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Dissolved Gases
Gases whose concentrations depends only upon their solubility in seawater.
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Constancy of Composition
Relatively little change in the relative concentration of major ions throughout the oceanic system.
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Residence Time
The time an element spends in the oceanic system after being introduced.
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Chemical Equilibrium of Seawater
For each element in seawater there will the particulate with equal the dissolved.
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Bottom Line
Difference in relative elemental concentrations in seawater and residence time are due to the degree to which the element is involved in biogeochemical cycles.
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Primary Productivity
Photosynthesis by phytoplankton in the open ocean in the euphotic zone, the tope 100m.
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Dry Deposition
Gravitational settling of aerosol material
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Wet Deposition
Aerosol material scavenged from air mass by rainfall
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Anti-knock
Ensures petrol burns in a smooth manner in the engine of a car.
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Conservative Gas
Their distribution is influenced by solubility of gas in seawater, physical conditions.
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Non Conservative Gas
Their distribution is influenced by both changes in the gas solubility in seawater but also their involvement in biogeochemical processes.
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Other cards in this set

Card 2

Front

Chemical constituents associated with particulate which do not pass through a 0.45μm membrane filter.

Back

Particulates

Card 3

Front

Elements that may not be retained i.e. pass through a 0.45μm membrane filter being operationally defined as dissolved.

Back

Preview of the back of card 3

Card 4

Front

Dimethyl Sulphide, volatile gas derived from a combination of phytoplanktonic/ bacterial activity.

Back

Preview of the back of card 4

Card 5

Front

Gases whose concentrations depends only upon their solubility in seawater.

Back

Preview of the back of card 5
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