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Salinity at 2.35m, 5.35m and 18m depth (GBR1)

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    This page shows salinity at different depths on the Great Barrier Reef based on the 1km eReefs Hydrodynamic model.

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    Salinity at different depths

    The salinity of normal ocean water is approximately 35 PSU. As freshwater is mixed with the ocean water the salinity drops, with pure water having a PSU of zero. This product highlights that, absent forced mixing from current upwelling (such as by cyclones), lower salinity water floats to the surface (represented on this page by the 2.35m depth).

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