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Title: Aerosol trace metal leaching and impacts on marine microorganisms


Here, metal dissolution from atmospheric aerosol deposition to the oceans is important in enhancing and inhibiting phytoplankton growth rates and modifying plankton community structure, thus impacting marine biogeochemistry. Here we review the current state of knowledge on the causes and effects of the leaching of multiple trace metals from natural and anthropogenic aerosols. Aerosol deposition is considered both on short timescales over which phytoplankton respond directly to aerosol metal inputs, as well as longer timescales over which biogeochemical cycles are affected by aerosols.

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Publication Date:
Research Org.:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); Cornell Univ., Ithaca, NY (United States)
Sponsoring Org.:
Office of Science (SC), Biological and Environmental Research (BER). Earth and Environmental Systems Science Division
OSTI Identifier:
Alternate Identifier(s):
OSTI ID: 1463345; OSTI ID: 1594107
Grant/Contract Number:  
0016362; AGS1049033; CCF-1522054; AC05-76RL01830; SC0006791
Resource Type:
Published Article
Journal Name:
Nature Communications
Additional Journal Information:
Journal Name: Nature Communications Journal Volume: 9 Journal Issue: 1; Journal ID: ISSN 2041-1723
Nature Publishing Group
Country of Publication:
United Kingdom

Citation Formats

Mahowald, Natalie M., Hamilton, Douglas S., Mackey, Katherine R. M., Moore, J. Keith, Baker, Alex R., Scanza, Rachel A., and Zhang, Yan. Aerosol trace metal leaching and impacts on marine microorganisms. United Kingdom: N. p., 2018. Web. doi:10.1038/s41467-018-04970-7.
Mahowald, Natalie M., Hamilton, Douglas S., Mackey, Katherine R. M., Moore, J. Keith, Baker, Alex R., Scanza, Rachel A., & Zhang, Yan. Aerosol trace metal leaching and impacts on marine microorganisms. United Kingdom.
Mahowald, Natalie M., Hamilton, Douglas S., Mackey, Katherine R. M., Moore, J. Keith, Baker, Alex R., Scanza, Rachel A., and Zhang, Yan. Thu . "Aerosol trace metal leaching and impacts on marine microorganisms". United Kingdom.
title = {Aerosol trace metal leaching and impacts on marine microorganisms},
author = {Mahowald, Natalie M. and Hamilton, Douglas S. and Mackey, Katherine R. M. and Moore, J. Keith and Baker, Alex R. and Scanza, Rachel A. and Zhang, Yan},
abstractNote = {Here, metal dissolution from atmospheric aerosol deposition to the oceans is important in enhancing and inhibiting phytoplankton growth rates and modifying plankton community structure, thus impacting marine biogeochemistry. Here we review the current state of knowledge on the causes and effects of the leaching of multiple trace metals from natural and anthropogenic aerosols. Aerosol deposition is considered both on short timescales over which phytoplankton respond directly to aerosol metal inputs, as well as longer timescales over which biogeochemical cycles are affected by aerosols.},
doi = {10.1038/s41467-018-04970-7},
journal = {Nature Communications},
number = 1,
volume = 9,
place = {United Kingdom},
year = {2018},
month = {7}

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Cited by: 117 works
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Figures / Tables:

Fig. 1 Fig. 1: Estimate of iron limitation regions and sources of soluble iron. Estimate of ocean iron limitation regions for diatoms, small phytoplankton, and diazatrophs, based on an ocean biogeochemistry model (a, b); iron is limiting for small phytoplankton (light mauve); iron is limiting for diazotrophs and small phytoplankton (purple); ironmore » is limiting for small phytoplankton, diatoms, and diazatrophs (deep purple); iron is limiting for diazatrophs (gray-blue); iron is limiting for diatoms and diazatrophs (blue). This is shown for the current climate (a), and in the current climate with no atmospheric deposition of iron (b). See Supplementary Figure 1 for more information. Overall, most of the world’s ocean depend on atmospheric iron inputs. Diazotrophs are not present in the model at high latitudes where temperatures are below ~15 °C. The solid yellow line represents the mean location of this temperature control on the diazotrophs. Model-based source apportionment (c) for soluble iron deposition into the oceans using R. Scanza et al. (manuscript in preparation) and ref.160. The dominant source for each region is identified by color (North Africa: dark blue; East Asia: light green; North America: pink; Australia: yellow; South Africa: red, South America: green). If the soluble iron is contributed substantially from two source regions, the colors are mixed with the dominant source providing the base color, and the secondary source the points. In regions where one source dominates, but the dominant source is not dust, but combustion, black diagonal stippling is applied (in the Southern Hemisphere, near Africa, South America and Micronesia)« less

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  • Hider, Robert C.; Kong, Xiaole
  • Natural Product Reports, Vol. 27, Issue 5
  • DOI: 10.1039/b906679a

The organic complexation of iron in the marine environment: a review
journal, January 2012

Atmospheric aerosol deposition influences marine microbial communities in oligotrophic surface waters of the western Pacific Ocean
journal, December 2016

  • Maki, Teruya; Ishikawa, Akira; Mastunaga, Tomoki
  • Deep Sea Research Part I: Oceanographic Research Papers, Vol. 118
  • DOI: 10.1016/j.dsr.2016.10.002

Trichodesmium, a Globally Significant Marine Cyanobacterium
journal, May 1997

Solubility of iron and other trace elements in rainwater collected on the Kerguelen Islands (South Indian Ocean)
journal, January 2013

Chemical characterisation of iron in dust and biomass burning aerosols during AMMA-SOP0/DABEX: implication for iron solubility
journal, January 2010

  • Paris, R.; Desboeufs, K. V.; Formenti, P.
  • Atmospheric Chemistry and Physics, Vol. 10, Issue 9
  • DOI: 10.5194/acp-10-4273-2010

Quantification of dissolved iron sources to the North Atlantic Ocean
journal, July 2014

Dynamics of phytoplankton community structure in the South China Sea in response to the East Asian aerosol input
journal, January 2012

Surface distribution of dissolved trace metals in the oligotrophic ocean and their influence on phytoplankton biomass and productivity: Distribution of dissolved trace metals
journal, October 2015

  • Pinedo-González, Paulina; West, A. Joshua; Tovar-Sánchez, Antonio
  • Global Biogeochemical Cycles, Vol. 29, Issue 10
  • DOI: 10.1002/2015GB005149

Strong stimulation of N 2 fixation in oligotrophic Mediterranean Sea: results from dust addition in large in situ mesocosms
journal, January 2013

Impacts on iron solubility in the mineral dust by processes in the source region and the atmosphere: A review
journal, August 2012

The Trace Metal Composition of Marine Phytoplankton
journal, January 2013

Nutrient control of N 2 fixation in the oligotrophic Mediterranean Sea and the impact of Saharan dust events
journal, January 2011

Intensity of Th and Pa scavenging partitioned by particle chemistry in the North Atlantic Ocean
journal, March 2015

Temporal variability of dissolved iron species in the mesopelagic zone at Ocean Station PAPA
journal, August 2017

Seasonality of N2 fixation and nifH gene diversity in the Gulf of Aqaba (Red Sea)
journal, January 2009

Biogeochemical Controls and Feedbacks on Ocean Primary Production
journal, July 1998

Siderophore-based microbial adaptations to iron scarcity across the eastern Pacific Ocean
journal, December 2016

  • Boiteau, Rene M.; Mende, Daniel R.; Hawco, Nicholas J.
  • Proceedings of the National Academy of Sciences, Vol. 113, Issue 50
  • DOI: 10.1073/pnas.1608594113

Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.