Sea Spray
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Sea Spray
Sea spray

Sea spray refers to aerosol particles that are formed directly from the ocean, mostly by ejection into the atmosphere by bursting bubbles at the air-sea interface.[1]

Composition

Sea salt aerosol (SSA) contains both inorganic salts and organic matter from the ocean.[2] It is thought that the amount of organic matter transferred to SSA depends on microbiological activity.[3] The organic matter in sea spray can contain dissolved organic matter[4] or even microbes themselves, like bacteria and viruses.[5]

Effects

Salt spray is largely responsible for corrosion of metallic objects near the coastline, as the salts accelerate the corrosion process in the presence of abundant atmospheric oxygen and moisture. Salts do not dissolve in air directly, but are suspended as fine particulates, or dissolved in microscopic airborne water droplets.

Chemical resistance

The salt spray test is the notable measure of material endurance, particularly if the material will be used outdoors and must perform in a mechanical load bearing or otherwise critical role. These results are often of great interest to the marine industries, whose products may suffer extreme acceleration of corrosion and subsequent failure due to the salt water environment.

See also

References

  1. ^ Lewis, Ernie; Schwartz, Stephen (2004). Sea Salt Aerosol Production: Mechanisms, Methods, Measurements, and Models. Washington, DC: American Geophysical Union. p. 413. ISBN 087590-417-3.
  2. ^ Gantt, Brett; Meskhidze, Nicholas (2013). "The physical and chemical characteristics of marine primary organic aerosol: a review". Atmospheric Chemistry and Physics. 13 (8): 3979-3996. Bibcode:2013ACP....13.3979G. doi:10.5194/acp-13-3979-2013.
  3. ^ O'Dowd, C.D.; Facchini, M.C.; Cavalli, F.; Ceburnis, D.; Mircea, M.; Decesari, S.; Fuzzi, S.; Yoon, Y.J.; Putaud, J.P. (2004). "Biogenically driven organic contribution to marine aerosol". Nature. 431 (7009): 676-680. Bibcode:2004Natur.431..676O. doi:10.1038/nature02959. PMID 15470425.
  4. ^ Russell, L.M.; Hawkins, L.N.; Frossard, A.A.; Quinn, P.K.; Bates, T.S. (2010). "Carbohydrate-like composition of submicron atmospheric particles and their production from ocean bubble bursting". Proc. Natl. Acad. Sci. USA. 107 (15): 6652-6657. Bibcode:2010PNAS..107.6652R. doi:10.1073/pnas.0908905107. PMC 2872374. PMID 20080571.
  5. ^ Blanchard, D.C.; Syzdek, L.D. (1972). "Concentration of Bacteria in Jet Drops from Bursting Bubbles". J. Geophys. Res. 77 (27): 5087. Bibcode:1972JGR....77.5087B. doi:10.1029/jc077i027p05087.

External links



  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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