Changing concentrations of CO, CH₄, C₅H₈, CH₃Br, CH₃I, and dimethyl sulfide during the Southern Ocean Iron Enrichment Experiments Public Deposited

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  • Oceanic iron (Fe) fertilization experiments have advanced the understanding of how Fe regulates biological productivity and air–sea carbon dioxide (CO₂) exchange. However, little is known about the production and consumption of halocarbons and other gases as a result of Fe addition. Besides metabolizing inorganic carbon, marine microorganisms produce and consume many other trace gases. Several of these gases, which individually impact global climate, stratospheric ozone concentration, or local photochemistry, have not been previously quantified during an Fe-enrichment experiment. We describe results for selected dissolved trace gases including methane (CH₄), isoprene (C₅H₈), methyl bromide (CH₃Br), dimethyl sulfide, and oxygen (O₂), which increased subsequent to Fe fertilization, and the associated decreases in concentrations of carbon monoxide (CO), methyl iodide (CH₃I), and CO₂ observed during the Southern Ocean Iron Enrichment Experiments.
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  • Wingenter, O. W., Haase, K. B., Strutton, P., Friederich, G., Meinardi, S., Blake, D. R., & Rowland, F. S. (2004, June 8). Changing concentrations of CO, CH₄, C₅H₈, CH₃Br, CH₃I, and dimethyl sulfide during the Southern Ocean Iron Enrichment Experiments. Proceedings of the National Academy of Sciences of the United States of America, 101(23), 8537-8541. doi:10.1073/pnas.0402744101
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  • description.provenance : Submitted by Deanne Bruner (deanne.bruner@oregonstate.edu) on 2012-01-09T21:45:33Z No. of bitstreams: 1 StruttonPeter.CEOAS.ChangingConcentrationsCO.pdf: 383174 bytes, checksum: 1cd0f79e8232d9e26f849fdc25d8db1c (MD5)
  • description.provenance : Made available in DSpace on 2012-01-09T21:45:33Z (GMT). No. of bitstreams: 1 StruttonPeter.CEOAS.ChangingConcentrationsCO.pdf: 383174 bytes, checksum: 1cd0f79e8232d9e26f849fdc25d8db1c (MD5) Previous issue date: 2004-06-08
  • Proceedings of the National Academy of Sciences of the United States of America
  • Vol. 101 no. 23

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