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Title: Aerosol trace metal leaching and impacts on marine microorganisms

Abstract

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.

Authors:
ORCiD logo; ORCiD logo; ; ; ORCiD logo; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (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:
1457800
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
Publisher:
Nature Publishing Group
Country of Publication:
United Kingdom
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 54 ENVIRONMENTAL SCIENCES

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. doi:https://doi.org/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., and Zhang, Yan. Thu . "Aerosol trace metal leaching and impacts on marine microorganisms". United Kingdom. doi:https://doi.org/10.1038/s41467-018-04970-7.
@article{osti_1457800,
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}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: https://doi.org/10.1038/s41467-018-04970-7

Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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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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


Estimation of the Atmospheric Flux of Nutrients and Trace Metals to the Eastern Tropical North Atlantic Ocean*
journal, October 2015

  • Powell, C. F.; Baker, A. R.; Jickells, T. D.
  • Journal of the Atmospheric Sciences, Vol. 72, Issue 10
  • DOI: 10.1175/JAS-D-15-0011.1

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.