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A link between the ice nucleation activity and the biogeochemistry of seawater

Wolf, Martin J. and Goodell, Megan and Dong, Eric and Dove, Lilian A. and Zhang, Cuiqi and Franco, Lesly J. and Shen, Chuanyang and Rutkowski, Emma G. and Narducci, Domenic N. and Mullen, Susan and Babbin, Andrew R. and Cziczo, Daniel J. (2020) A link between the ice nucleation activity and the biogeochemistry of seawater. Atmospheric Chemistry and Physics, 20 (23). pp. 15341-15356. ISSN 1680-7324.

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Emissions of ice-nucleating particles (INPs) from sea spray can impact climate and precipitation by changing cloud formation, precipitation, and albedo. However, the relationship between seawater biogeochemistry and the ice nucleation activity of sea spray aerosols remains unclarified. Here, we demonstrate a link between the biological productivity in seawater and the ice nucleation activity of sea spray aerosol under conditions relevant to cirrus and mixed-phase cloud formation. We show for the first time that aerosol particles generated from both subsurface and microlayer seawater from the highly productive eastern tropical North Pacific Ocean are effective INPs in the deposition and immersion freezing modes. Seawater particles of composition similar to subsurface waters of highly productive regions may therefore be an unrealized source of effective INPs. In contrast, the subsurface water from the less productive Florida Straits produced less effective immersion mode INPs and ineffective depositional mode INPs. These results indicate that the regional biogeochemistry of seawater can strongly affect the ice nucleation activity of sea spray aerosol.

Item Type:Article
Related URLs:
URLURL TypeDescription
Wolf, Martin J.0000-0002-8553-8808
Zhang, Cuiqi0000-0002-2354-4188
Babbin, Andrew R.0000-0002-5046-0609
Cziczo, Daniel J.0000-0003-1851-8740
Additional Information:© Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License. Received: 27 Apr 2020 – Discussion started: 09 Jun 2020 – Revised: 30 Oct 2020 – Accepted: 30 Oct 2020 – Published: 11 Dec 2020. The authors declare no competing financial interests. We thank our peer reviewers for their useful comments and suggestions that have improved the manuscript. We further thank the crew, technicians, and scientists on board the SSV Corwith Cramer and the R/V Falkor for their logistical and scientific support during sampling. We also thank the students of the MIT Field Oceanography Course 12.373/12.777 for their assistance sampling on board the SSV Corwith Cramer. Data availability: Data used to generate this articles's figures are included in the Supplement and a Harvard Dataverse dataset under the name: “A Link between the Ice Nucleation Activity and the Biogeochemistry of Seawater”. The DOI of this dataset is: (Wolf, 2020). Further data inquires can be directed to the corresponding author (Daniel Cziczo, The supplement related to this article is available online at: Author contributions: MJW, DJC, and ARB designed the experiments and methodology. MJW, MG, ED, LAD, CZ, LJF, CS, EGR, DNN, and SM collected seawater samples, performed chemical analyses, and/or measured ice nucleation activity. MJW, DJC, and ARB prepared the manuscript with input from all coauthors. The authors declare that they have no conflict of interest. This research has been supported by the MIT Environmental Solutions Initiative educational grant to Andrew R. Babbin. R/V Falkor ship time was awarded by a Schmidt Ocean Institute grant to Karen Casciotti and Andrew R. Babbin. The SSV Corwith Cramer expedition was funded by the MIT Houghton Fund and by the MIT/WHOI Joint Program. Review statement: This paper was edited by Paul Zieger and reviewed by Matthew Salter and one anonymous referee.
Funding AgencyGrant Number
Massachusetts Institute of Technology (MIT)UNSPECIFIED
Schmidt Ocean InstituteUNSPECIFIED
Issue or Number:23
Record Number:CaltechAUTHORS:20210107-133849997
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Official Citation:Wolf, M. J., Goodell, M., Dong, E., Dove, L. A., Zhang, C., Franco, L. J., Shen, C., Rutkowski, E. G., Narducci, D. N., Mullen, S., Babbin, A. R., and Cziczo, D. J.: A link between the ice nucleation activity and the biogeochemistry of seawater, Atmos. Chem. Phys., 20, 15341–15356,, 2020
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:107368
Deposited By: Tony Diaz
Deposited On:08 Jan 2021 17:59
Last Modified:08 Jan 2021 17:59

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