Atmospheric iron deposition: global distribution, variability, and human perturbations

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dc.contributor.authorMahowald, NMen_AU
dc.contributor.authorEngelstaedter, Sen_AU
dc.contributor.authorLuo, CWen_AU
dc.contributor.authorSealy, Aen_AU
dc.contributor.authorArtaxo, Pen_AU
dc.contributor.authorBenitez-Nelson, Cen_AU
dc.contributor.authorBonnet, Sen_AU
dc.contributor.authorChen, YSen_AU
dc.contributor.authorChuang, PYen_AU
dc.contributor.authorCohen, DDen_AU
dc.contributor.authorDulac, Fen_AU
dc.contributor.authorHerut, Ben_AU
dc.contributor.authorJohansen, AMen_AU
dc.contributor.authorKubilay, Nen_AU
dc.contributor.authorLosno, Ren_AU
dc.contributor.authorMaenhaut, Wen_AU
dc.contributor.authorPaytan, Aen_AU
dc.contributor.authorProspero, JMen_AU
dc.contributor.authorShank, LMen_AU
dc.contributor.authorSiefert, RLen_AU
dc.date.accessioned2009-10-08T03:18:03Zen_AU
dc.date.accessioned2010-04-30T05:04:31Zen_AU
dc.date.available2009-10-08T03:18:03Zen_AU
dc.date.available2010-04-30T05:04:31Zen_AU
dc.date.issued2009-01en_AU
dc.date.statistics2009-01en_AU
dc.description.abstractAtmospheric inputs of iron to the open ocean are hypothesized to modulate ocean biogeochemistry. This review presents an integration of available observations of atmospheric iron and iron deposition, and also covers bioavailable iron distributions. Methods for estimating temporal variability in ocean deposition over the recent past are reviewed. Desert dust iron is estimated to represent 95% of the global atmospheric iron cycle, and combustion sources of iron are responsible for the remaining 5%. Humans may be significantly perturbing desert dust (up to 50%). The sources of bioavailable iron ire less well understood than those of iron, partly because we do not know what speciation of the iron is bioavailable. Bioavailable iron can derive from atmospheric processing of relatively insoluble desert dust iron or from direct emissions of soluble iron from combustion sources. These results imply that humans could be substantially impacting it-on and bioavailable iron deposition to ocean regions, but there are large uncertainties in our understanding. © 2009, Annual Reviewsen_AU
dc.identifier.citationMahowald, N. M., Engelstaedter, S., Luo, C., Sealy, A., Artaxo, P., Benitez-Nelson, C., Bonnet, S., Chen, Y. S., Chuang, P. Y. Cohen, D. D. Dulac, F., Herut, B., Johansen, A. M., Kubilay, N., Losno, R., Maenhaut, W., Paytan, A., Prospero, J, M., Shank, L. M., & Siefert, R. L. (2009). Atmospheric iron deposition: global distribution, variability, and human perturbations. Annual Review of Marine Science, 1, 245-278. doi:10.1146/annurev.marine.010908.163727en_AU
dc.identifier.govdoc1294en_AU
dc.identifier.issn1941-1405en_AU
dc.identifier.journaltitleAnnual Review of Marine Scienceen_AU
dc.identifier.pagination245-278en_AU
dc.identifier.urihttps://doi.org/10.1146/annurev.marine.010908.163727en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1975en_AU
dc.identifier.volume1en_AU
dc.language.isoenen_AU
dc.publisherAnnual Reviewsen_AU
dc.subjectIronen_AU
dc.subjectDepositionen_AU
dc.subjectOceanographyen_AU
dc.subjectDesertsen_AU
dc.subjectClimatic changeen_AU
dc.subjectHuman factorsen_AU
dc.titleAtmospheric iron deposition: global distribution, variability, and human perturbationsen_AU
dc.typeJournal Articleen_AU
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