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Putting the silicon cycle in a bag: Field and mesocosm observations of silicon isotope fractionation in subtropical waters east of New Zealand

Meyerink, Scott; Boyd, Philip W.; Maher, William; Milne, Angela; Strzepek, R.; Ellwood, Michael


A mesocosm experiment was used to investigate the fractionation of silicon (Si) isotopes in subtropical surface waters east of New Zealand. Surface waters in this region were characterised by relatively low concentrations of silicic acid (Si(OH)4) (~2 μmol L−1) and higher nitrate (~5 μmol L−1) and dissolved iron (Fe) concentrations (~0.4 nmol L−1) prior to development of the annual springtime phytoplankton bloom. To simulate initiation of the bloom, a large (~700 L) mesocosm experiment was...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Marine Chemistry
DOI: 10.1016/j.marchem.2019.04.008
Access Rights: Open Access


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