Sunday, September 10, 2017

Australia: A foamy day

It happened in Australia a strange phenomenon in which the coastal streets and avenues woke up full of sea foam.

Sea foam isa type of foam created by the agitation of sea water, particularly when it
contains high concentrations of dissolved organic matter (including proteins,
lignins, and lipids)obtained from sources such as high sea ​​of ​​algae
blooms. These compounds may act as surfactants or foaming agents. As seawater
is struck by breaking waves in the wave zone adjacent to the coast, the
presence of these surfactants under these turbulent conditions traps the air,
forming persistent bubbles that stick to each other through of the surface
tension. Due to its low density and persistence, the foam can be blown by
strong land winds from inside the beach. 

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