Comment on "The Southern Ocean Biological Response to Aeolian Iron Deposition"

Cassar et al . (Reports, 24 August 2007, p. 1067) proposed that aerosol-iron input enhances Southern Ocean export production. Their conclusion critically depends upon aerosol-iron modeling simulations not validated with iron-deposition data and dust dissolution rates based on Northern Hemisphere atm...

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Bibliographic Details
Published in:Science
Main Authors: Boyd, Philip W., Mackie, Douglas
Format: Article in Journal/Newspaper
Language:English
Published: American Association for the Advancement of Science (AAAS) 2008
Subjects:
Southern Ocean
Online Access:http://dx.doi.org/10.1126/science.1149884
https://www.science.org/doi/pdf/10.1126/science.1149884
Description
Summary:Cassar et al . (Reports, 24 August 2007, p. 1067) proposed that aerosol-iron input enhances Southern Ocean export production. Their conclusion critically depends upon aerosol-iron modeling simulations not validated with iron-deposition data and dust dissolution rates based on Northern Hemisphere atmospheric chemical conditions (low pH). This diminishes the relevance of their findings and demonstrates that applying such models to this region is premature.

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