One-third of Southern Ocean productivity is supported by dust deposition

  • Martin, J. H. Glacial–interglacial CO2 change: the iron hypothesis. Paleoceanography 5, 1–13 (1990).

    Article 
    ADS 

    Google Scholar
     

  • Boyd, P. W. et al. A mesoscale phytoplankton bloom in the polar Southern Ocean stimulated by iron fertilization. Nature 407, 695–702 (2000).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Martinez-Garcia, A. et al. Iron fertilization of the subantarctic ocean during the last ice age. Science 343, 1347–1350 (2014).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Cassar, N. et al. The Southern Ocean biological response to aeolian iron deposition. Science 317, 1067–1070 (2007).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Boyd, P. W. & Mackie, D. Comment on the Southern Ocean biological response to aeolian iron deposition. Science 319, 159–159 (2008).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Jickells, T. D. et al. Global iron connections between desert dust, ocean biogeochemistry and climate. Science 308, 67–71 (2005).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Lambert, F. et al. Dust fluxes and iron fertilization in Holocene and Last Glacial Maximum climates. Geophys. Res. Lett. 42, 6014–6023 (2015).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Emerson, D. Biogenic iron dust: a novel approach to ocean iron fertilization as a means of large scale removal of carbon dioxide from the atmosphere. Front. Mar. Sci. 6, 22 (2019).

  • Sarmiento, J. L. & Gruber, N. in Ocean Biogeochemical Dynamics Ch. 8 (Princeton Univ. Press, 2006).

  • Boyd, P. W., Claustre, H., Levy, M., Siegel, D. A. & Weber, T. Multi-faceted particle pumps drive carbon sequestration in the ocean. Nature 568, 327–335 (2019).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Buesseler, K. O. et al. Revisiting carbon flux through the ocean’s twilight zone. Science 316, 567–570 (2007).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Mitchell, B. G., Brody, E. A., Holmhansen, O., Mcclain, C. & Bishop, J. Light limitation of phytoplankton biomass and macronutrient utilization in the Southern-Ocean. Limnol. Oceanogr. 36, 1662–1677 (1991).

    Article 
    ADS 

    Google Scholar
     

  • Martin, J. H., Gordon, R. M. & Fitzwater, S. E. Iron in Antarctic waters. Nature 345, 156–158 (1990).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Boyd, P. W. Environmental factors controlling phytoplankton processes in the Southern Ocean. J. Phycol. 38, 844–861 (2002).

    Article 

    Google Scholar
     

  • DeVries, T., Primeau, F. & Deutsch, C. The sequestration efficiency of the biological pump. Geophys. Res. Lett. https://doi.org/10.1029/2012GL051963 (2012).

  • Mahowald, N. M. et al. Atmospheric global dust cycle and iron inputs to the ocean. Glob. Biogeochem. Cy. https://doi.org/10.1029/2004GB002402 (2005).

  • Hamilton, D. S. et al. Earth, wind, fire and pollution: aerosol nutrient sources and impacts on ocean biogeochemistry. Annu. Rev. Mar. Sci. 14, 303–330 (2022).

    Article 
    ADS 

    Google Scholar
     

  • Lamy, F. et al. Increased dust deposition in the Pacific Southern Ocean during glacial periods. Science 343, 403–407 (2014).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Röthlisberger, R. et al. Ice core evidence for the extent of past atmospheric CO2 change due to iron fertilisation. Geophys. Res. Lett. https://doi.org/10.1029/2004GL020338 (2004).

  • Muglia, J., Somes, C. J., Nickelsen, L. & Schmittner, A. Combined effects of atmospheric and seafloor iron fluxes to the glacial ocean. Paleoceanography 32, 1204–1218 (2017).

    Article 
    ADS 

    Google Scholar
     

  • Saini, H. et al. Southern Ocean ecosystem response to Last Glacial Maximum boundary conditions. Paleoceanogr. Paleoclimatol. 36, e2020PA004075 (2021).

  • Boyd, P. W. et al. Mesoscale iron enrichment experiments 1993–2005: synthesis and future directions. Science 315, 612–617 (2007).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Yoon, J. E. et al. Reviews and syntheses: ocean iron fertilization experiments—past, present and future looking to a future Korean iron fertilization experiment in the Southern Ocean (KIFES) project. Biogeosciences 15, 5847–5889 (2018).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Blain, S., Sarthou, G. & Laan, P. Distribution of dissolved iron during the natural iron-fertilization experiment KEOPS (Kerguelen Plateau, Southern Ocean). Deep-Sea Res. II 55, 594–605 (2008).

  • Kaiser, J., Reuer, M. K., Barnett, B. & Bender, M. L. Marine productivity estimates from continuous O2/Ar ratio measurements by membrane inlet mass spectrometry. Geophys. Res. Lett. https://doi.org/10.1029/2005GL023459 (2005).

  • Johnson, K. S., Plant, J. N., Dunne, J. P., Talley, L. D. & Sarmiento, J. L. Annual nitrate drawdown observed by SOCCOM profiling floats and the relationship to annual net community production. J. Geophys. Res. Oceans 122, 6668–6683 (2017).

    Article 
    ADS 

    Google Scholar
     

  • Krätschmer, S. et al. Simulating glacial dust changes in the Southern Hemisphere using ECHAM6.3-HAM2.3. Clim. Past 18, 67–87 (2022).

    Article 

    Google Scholar
     

  • Arrigo, K. R., van Dijken, G. L. & Bushinsky, S. Primary production in the Southern Ocean, 1997–2006. J. Geophys. Res. Oceans https://doi.org/10.1029/2007JC004551 (2008).

  • Tagliabue, A. et al. Surface-water iron supplies in the Southern Ocean sustained by deep winter mixing. Nat Geosci 7, 314–320 (2014).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Redfield, A. C. The biological control of chemical factors in the environment. Am. Sci. 46, 205–221 (1958).

    CAS 

    Google Scholar
     

  • Arteaga, L. A., Pahlow, M., Bushinsky, S. M. & Sarmiento, J. L. Nutrient controls on export production in the Southern Ocean. Glob. Biogeochem. Cy. 33, 942–956 (2019).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Huang, Y., Fassbender, A. J. & Bushinsky, S. M. Biogenic carbon pool production maintains the Southern Ocean carbon sink. Proc. Natl Acad. Sci. USA 120, e2217909120 (2023).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Hiscock, W. T. & Millero, F. J. Nutrient and carbon parameters during the Southern Ocean iron experiment (SOFeX). Deep-Sea Res. I 52, 2086–2108 (2005).

    Article 
    ADS 

    Google Scholar
     

  • Su, J. Y., Schallenberg, C., Rohr, T., Strutton, P. G. & Phillips, H. E. New estimates of Southern Ocean annual net community production revealed by BGC-Argo floats. Geophys. Res. Lett. 49, e2021GL097372 (2022).

  • Schallenberg, C., Ross, A. R. S., Davidson, A. B., Stewart, G. M. & Cullen, J. T. Temporal variability of dissolved iron species in the mesopelagic zone at Ocean Station PAPA. J. Mar. Syst. 172, 128–136 (2017).

    Article 

    Google Scholar
     

  • Moore, J. K. & Braucher, O. Sedimentary and mineral dust sources of dissolved iron to the world ocean. Biogeosciences 5, 631–656 (2008).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Twelves, A. G., Goldberg, D. N., Henley, S. F., Mazloff, M. R. & Jones, D. C. Self-shading and meltwater spreading control the transition from light to iron limitation in an Antarctic coastal polynya. J. Geophys. Res. Oceans 126, e2020JC016636 (2021).

  • Perron, M. M. G. et al. Origin, transport and deposition of aerosol iron to Australian coastal waters. Atmos. Environ. 228, 117432 (2020).

  • Wiseman, N. A., Moore, J. K., Twining, B. S., Hamilton, D. S. & Mahowald, N. M. Acclimation of phytoplankton Fe:C ratios dampens the biogeochemical response to varying atmospheric deposition of soluble iron. Glob. Biogeochem. Cy. 37, e2022GB007491 (2023).

  • Tagliabue, A. et al. The interplay between regeneration and scavenging fluxes drives ocean iron cycling. Nat. Commun. 10, 4960 (2019).

  • Ito, A. et al. Pyrogenic iron: the missing link to high iron solubility in aerosols. Sci. Adv. https://doi.org/10.1126/sciadv.aau7671 (2019).

  • Tang, W. Y. et al. Widespread phytoplankton blooms triggered by 2019–2020 Australian wildfires. Nature 597, 370–375 (2021).

    Article 
    ADS 
    CAS 
    PubMed 

    Google Scholar
     

  • Weis, J. et al. Southern Ocean phytoplankton stimulated by wildfire emissions and sustained by iron recycling. Geophys. Res. Lett. 49, e2021GL097538 (2022).

  • Henley, S. F. et al. Changing biogeochemistry of the Southern Ocean and its ecosystem implications. Front. Mar. Sci. https://doi.org/10.3389/fmars.2020.00581 (2020).

  • Sigman, D. M. et al. The Southern Ocean during the ice ages: a review of the Antarctic surface isolation hypothesis, with comparison to the North Pacific. Quat. Sci. Rev. 254, 106732 (2021).

    Article 

    Google Scholar
     

  • Shoenfelt, E. M., Winckler, G., Lamy, F., Anderson, R. F. & Bostick, B. C. Highly bioavailable dust-borne iron delivered to the Southern Ocean during glacial periods. Proc. Natl Acad. Sci. USA 115, 11180–11185 (2018).

    Article 
    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Tagliabue, A. et al. How well do global ocean biogeochemistry models simulate dissolved iron distributions? Glob. Biogeochem. Cy. 30, 149–174 (2016).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Johnson, K. S. & Coletti, L. J. In situ ultraviolet spectrophotometry for high resolution and long-term monitoring of nitrate, bromide and bisulfide in the ocean. Deep-Sea Res. I 49, 1291–1305 (2002).

    Article 
    CAS 

    Google Scholar
     

  • MacIntyre, G. et al. ISUS/SUNA nitrate measurements in networked ocean observing systems. In Proc OCEANS 2009 (IEEE, Biloxi, 2009).

  • Johnson, K. S. et al. Processing Bio-Argo Nitrate Concentration at the DAC Level (Ifremer, 2018); https://doi.org/10.13155/46121.

  • OneArgo-Mat: A MATLAB toolbox for accessing and visualizing Argo data v. 1.0.3. Zenodo https://doi.org/10.5281/zenodo.6603689 (2022).

  • Johnson, K. S. et al. Biogeochemical sensor performance in the SOCCOM profiling float array. J. Geophys. Res. Oceans 122, 6416–6436 (2017).

    Article 
    ADS 

    Google Scholar
     

  • Bi, D. H. et al. Configuration and spin-up of ACCESS-CM2, the new generation Australian Community Climate and Earth System Simulator Coupled Model. J. South. Hemisph. Earth Syst. Sci. 70, 225–251 (2020).

    Article 

    Google Scholar
     

  • Fiddes, S. L., Protat, A., Mallet, M. D., Alexander, S. P. & Woodhouse, M. T. Southern Ocean cloud and shortwave radiation biases in a nudged climate model simulation: does the model ever get it right. Atmos. Chem. Phys. 22, 14603–14630 (2022).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Woodward, S. Modeling the atmospheric life cycle and radiative impact of mineral dust in the Hadley Centre climate model. J. Geophys. Res. Atmos. 106, 18155–18166 (2001).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Fiddes, S. L. ACCESS-AM2 dust fields 2015-2019 [data set]. Zenodo https://doi.org/10.5281/zenodo.8303317 (2023).

  • Stevens, B. et al. Atmospheric component of the MPI-M Earth System Model: ECHAM6. J. Adv. Model. Earth Syst. 5, 146–172 (2013).

    Article 
    ADS 

    Google Scholar
     

  • Schultz, M. G. et al. The chemistry-climate model ECHAM6.3-HAM2.3-MOZ1.0. Geosci. Model. Dev. 11, 1695–1723 (2018).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • ECHAM6-HAMMOZ model data (HAMMOZ, accessed 14 September 2020); https://redmine.hammoz.ethz.ch/projects/hammoz/repository/1/show/echam6-hammoz/branches/tanja.

  • Basterretxea, G., Font-Muñoz, J. S., Hernández-Carrasco, I. & Sañudo-Wilhelmy, S. A. Global variability of high-nutrient low-chlorophyll regions using neural networks and wavelet coherence analysis. Ocean Sci. 19, 973–990 (2023).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Verdy, A. & Mazloff, M. R. A data assimilating model for estimating Southern Ocean biogeochemistry. J. Geophys. Res. Oceans 122, 6968–6988 (2017).

    Article 
    ADS 
    CAS 

    Google Scholar
     

  • Holte, J. & Talley, L. A new algorithm for finding mixed layer depths with applications to Argo data and subantarctic mode water formation. J. Atmos. Ocean Tech. 26, 1920–1939 (2009).

    Article 

    Google Scholar
     

  • Krumhardt, K. M., Long, M. C., Sylvester, Z. T. & Petrik, C. M. Climate drivers of Southern Ocean phytoplankton community composition and potential impacts on higher trophic levels. Front. Mar. Sci. 9, 916140 (2022).

  • Weis, J. Code repository for “One-third of Southern Ocean productivity is supported by dust deposition”. Zenodo https://doi.org/10.5281/zenodo.10374127 (2024).

  • Frank, M. et al. Similar glacial and interglacial export bioproductivity in the Atlantic sector of the Southern Ocean: multiproxy evidence and implications for atmospheric CO2. Paleoceanogr. Paleoclimatol. 15, 642–658 (2000).

  • Nürnberg, C. C., Bohrmann, G., Frank, M. & Schlüter, M. Barium accumulation in the Atlantic sector of the Southern Ocean—results from 190,000 year records. Paleoceanogr. Paleoclimatol. 12, 594–603 (1997).

  • Lamy, F. et al. Increased dust deposition in the Pacific Southern Ocean during glacial periods. Science 343, 403–407 (2014)https://doi.org/10.1126/science.1245424.

  • Toyos, M. H. et al. Concentration, accumulation rates, Th fluxes, focusing factors and productivity proxies on core PS97/093-2 over the past 400,000 years. PANGAEA https://doi.org/10.1594/PANGAEA.934588 (2021).

  • Thöle, L. M. et al. Glacial–interglacial dust and export production records from the Southern Indian Ocean. Earth Planet. Sci. Lett. 525, 115716, (2019).


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