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Chlorine-36 in seawater

Argento, David C.; Stone, John O; Fifield, L Keith; Tims, Stephen


Natural cosmogenic 36Cl found in seawater originates from spallation of atmospheric 40Ar, capture of secondary cosmic-ray neutrons by dissolved 35Cl, and river runoff which contains 36Cl produced in situ over the surface of the continents. The long residence time of chloride in the ocean and long half-life of 36Cl compared to the oceanic mixing time should result in a homogenous 36Cl/Cl ratio throughout the ocean. Production by neutron capture in the course of nuclear weapons testing should be...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Nuclear Instruments and Methods in Physics Research: Section B
DOI: 10.1016/j.nimb.2009.10.139


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