Articles | Volume 21, issue 20
https://doi.org/10.5194/acp-21-16027-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-21-16027-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
29 Oct 2021
Research article |
| 29 Oct 2021
| 29 Oct 2021
Contribution of combustion Fe in marine aerosols over the northwestern Pacific estimated by Fe stable isotope ratios
Research Institute for Global Change, Japan Agency for Marine-Earth
Science and Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan
Department of Earth and Planetary Science, Graduate School of Science,
The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
Kohei Sakata
Center for Global Environmental Research, National Institute for
Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan
Mitsuo Uematsu
Atmosphere and Ocean Research Institute, The University of Tokyo,
5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8564, Japan
Center for Environmental Science in Saitama, 914 Kamitanadare, Kazo,
Saitama 347-0115, Japan
Akinori Ito
Research Institute for Global Change, JAMSTEC, 3173-25, Showa-machi,
Kanazawa-ku, Yokohama, Kanagawa 236-0001, Japan
Yoshio Takahashi
Department of Earth and Planetary Science, Graduate School of Science,
The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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- Stable iron isotopic composition of atmospheric aerosols: An overview Y. Wang et al. 10.1038/s41612-022-00299-7
- Non-traditional stable isotopic analysis for source tracing of atmospheric particulate matter P. Zuo et al. 10.1016/j.trac.2022.116866
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- Marine aerosol feedback on biogeochemical cycles and the climate in the Anthropocene: lessons learned from the Pacific Ocean A. Ito et al. 10.1039/D2EA00156J
- Novel Insights into Marine Iron Biogeochemistry from Iron Isotopes J. Fitzsimmons & T. Conway 10.1146/annurev-marine-032822-103431
- Upper Ocean Biogeochemistry of the Oligotrophic North Pacific Subtropical Gyre: From Nutrient Sources to Carbon Export M. Dai et al. 10.1029/2022RG000800
- Iron (Fe) speciation in size-fractionated aerosol particles in the Pacific Ocean: The role of organic complexation of Fe with humic-like substances in controlling Fe solubility K. Sakata et al. 10.5194/acp-22-9461-2022
- Direct evidence of pyrogenic aerosol iron by intrusions of continental polluted air into the Eastern China Seas L. Xu et al. 10.1016/j.atmosres.2023.106839
- Up in Smoke: Most Aerosolized Fe From Biomass Burning Does Not Derive From Foliage L. Tegler et al. 10.1029/2023GB007796
- Measurement report: Stoichiometry of dissolved iron and aluminum as an indicator of the factors controlling the fractional solubility of aerosol iron – results of the annual observations of size-fractionated aerosol particles in Japan K. Sakata et al. 10.5194/acp-23-9815-2023
- Biogeochemistry of iron in coastal Antarctica: isotopic insights for external sources and biological uptake in the Amundsen Sea polynyas H. Tian et al. 10.1016/j.gca.2023.10.029
- Source and fate of atmospheric iron supplied to the subarctic North Pacific traced by stable iron isotope ratios M. Kurisu et al. 10.1016/j.gca.2024.06.009
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- Surface Ocean Biogeochemistry Regulates the Impact of Anthropogenic Aerosol Fe Deposition on the Cycling of Iron and Iron Isotopes in the North Pacific D. König et al. 10.1029/2022GL098016
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- Trace elements in PM2.5 aerosols in East Asian outflow in the spring of 2018: emission, transport, and source apportionment T. Miyakawa et al. 10.5194/acp-23-14609-2023
- Asian dust-deposition flux to the subarctic Pacific estimated using single quartz particles K. Nagashima et al. 10.1038/s41598-023-41201-6
- Characterizing dissolved inorganic and organic nutrients in the oligotrophic Kuroshio Current off eastern Taiwan during warm seasons J. Hung et al. 10.3389/fmars.2024.1383244
Latest update: 29 Jun 2024
Short summary
Aerosol iron (Fe) input can enhance oceanic primary production. We analyzed Fe isotope ratios of size-fractionated aerosols over the northwestern Pacific to evaluate the contribution of natural and combustion Fe. It was found that combustion Fe was an important soluble Fe source in marine aerosols and possibly in surface seawater when air masses were from East Asia. This study shows the applicability of Fe isotope ratios for a more quantitative understanding of the Fe cycle in the surface ocean.
Aerosol iron (Fe) input can enhance oceanic primary production. We analyzed Fe isotope ratios of...
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