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Sea Spray Aerosol Formation: Laboratory Results on the Role of Air Entrainment, Water Temperature, and Phytoplankton Biomass

descriptionPublicationkeyboard_double_arrow_right Article , Journal 21 Oct 2019Publisher:American Chemical Society (ACS)Journal:Environmental Science & Technology, volume 53, pages 13,107-13,116 (issn: 0013-936X, eissn: 1520-5851,

Authors: Sigurd Christiansen; Matthew E. Salter; Elena Gorokhova; Quynh T. Nguyen; Merete Bilde;

doi: 10.1021/acs.est.9b04078

pmid: 31633921

Sea Spray Aerosol Formation: Laboratory Results on the Role of Air Entrainment, Water Temperature, and Phytoplankton Biomass

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Abstract

Sea spray aerosol (SSA) emission is a complex process affected by various controlling factors. This work seeks to deconvolute some of this complexity in a controlled laboratory setting using a plunging jet by varying three key parameters, one at a time: (1) air entrainment rate, (2) seawater temperature, and (3) biomass of phytoplankton. The production of SSA is found to vary linearly with air entrainment rate. By normalizing the production flux to air entrainment rate, we observe nonlinear variation of the production efficiency of SSA with seawater temperature with a minimum around 6-10 °C. For comparison, SSA was also generated by detraining air into artificial seawater using a diffuser demonstrating that the production efficiency of SSA generated using a diffuser decreases almost linearly with increasing seawater temperature, and the production efficiency is significantly higher than that for SSA generated using a plunging jet. Finally, by varying the amount of phytoplankton biomass we demonstrate that SSA particle production varies nonlinearly with the amount of biomass in seawater.

Related Organizations

Stockholm University
Sweden
Aarhus University
Denmark

Keywords

Aerosols, SALT, Temperature, Water, CHEMICAL-COMPOSITION, THERMOPHYSICAL PROPERTIES, BREAKING-WAVE, ORGANIC-MATTER, OCEAN, Phytoplankton, GAS ENTRAINMENT, PART 1, Seawater, Biomass, ENRICHMENT, PRIMARY MARINE AEROSOL

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	54
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 1%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%