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Data Sources |
ECV Products and Requirements |
Transient Tracers
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Transient tracers are man-made chemical compounds released to the atmosphere at known quantities that can be used in the ocean to quantify ventilation, transit time distribution and transport time-scales. Measurement of transient tracers in the subsurface ocean thus provides information on the time-scales since the ocean was ventilated, i.e. in contact with the atmosphere. A combination of these tracers provide the means to constrain the transit time distribution (TTD) of a water-mass that allows inference of concentrations or fates of other transient compounds, such as anthropogenic carbon or nitrous oxide. | |
Domain: | Ocean | |
Subdomain: | Biogeochemical | |
Scientific Area: | Carbon Cycle and other GHGs | |
Product: | Interior Ocean CFC-12; Interior Ocean CFC-11; Interior Ocean SF6; Interior Ocean Tritium; Interior Ocean 3He; Interior Ocean 14C; Interior Ocean 39Ar |