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Atmospheric Measurement Techniques
Article . 2022 . Peer-reviewed
License: CC BY
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Effects of temperature and salinity on bubble-bursting aerosol formation simulated with a bubble-generating chamber

Authors: Sofieva, Svetlana; Asmi, Eija; Atanasova, Nina S.; Heikkinen, Aino E.; Vidal, Emeline; Duplissy, Jonathan; Romantschuk, Martin; +5 Authors

Effects of temperature and salinity on bubble-bursting aerosol formation simulated with a bubble-generating chamber

Abstract

A new bubble-generating glass chamber with an extensive set of aerosol production experiments is presented. Compared to the experiments described in the literature since the ground-setting works of Edward C.​​​​​​​ Monahan et al. in 1980s, the current setup is among the medium-sized installations allowing for accurate control of the air discharge, water temperature, and salinity. The size and material of the chamber offer a variety of applications due to its portability, measurement setup adjustability, and sterilization option. The experiments have been conducted in a cylindrical bubbling tank of 10 L volume that was filled by ∼ 30 %–40 % with water of controlled salt content and temperature and covered with a hermetic lid. The chamber was used to study the characteristics of aerosols produced by bursting bubbles under different conditions. In line with previous findings, the sea spray aerosol production was shown to depend linearly on the surface area covered by the bubbles, which in turn is a near-linear function of the air discharge through the water. Observed dependencies of the aerosol size spectra and particle fluxes on water salinity and temperature, being qualitatively comparable with the previous experiments, substantially refined the existing parameterizations. In particular, the bubble size was practically independent from the air discharge through the water body, except in the case of very small flows. Also, the dependence of aerosol spectrum and amount on salinity was much weaker than suggested in some previous experiments. The temperature dependence, to the contrary, was significant and consistent, with a transition in the spectrum shape at ∼ 10 ∘C. Theoretical analysis based on the basic conservation laws supported the main results of the experiments but also highlighted the need for a better understanding of the aerosol production from a cold water surface.

Country
Finland
Keywords

aerosolit, Atmospheric Science, SEA-SPRAY AEROSOL, SURFACE-TENSION, water, vesi, SODIUM-CHLORIDE, simulation, SALT AEROSOL, salinity, OCEAN, JET, suolaisuus, PARTICLES, lämpötila, simulointi, ENRICHMENT, FILM DROPS, 1172 Environmental sciences, aerosols, PRIMARY MARINE AEROSOL, tempereature

64 references, page 1 of 7

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  • 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).
    3
    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 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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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).
BIP!Citations provided by BIP!
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.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Top 10%
Average
Average
gold
Funded by
AKA| Global health risks related to atmospheric composition and weather / Consortium: GLORIA
Project
  • Funder: Academy of Finland (AKA)
  • Project Code: 310372
,
AKA| Sources, transport and viability of microbes in the atmosphere
Project
  • Funder: Academy of Finland (AKA)
  • Project Code: 309570
sysimport:crosswalk:repository
,
AKA| Atmosphere and Climate Competence Center (ACCC) / Consortium: ACCC
Project
  • Funder: Academy of Finland (AKA)
  • Project Code: 337552
iis
,
EC| EMERGE
Project
EMERGE
Evaluation, control and Mitigation of the EnviRonmental impacts of shippinG Emissions
  • Funder: European Commission (EC)
  • Project Code: 874990
  • Funding stream: H2020 | RIA
Validated by funder | iis
Related to Research communities
European Marine Science
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