Marine polymer-gels’ relevance in the atmosphere as aerosols and ccn

Mónica V. Orellana, Dennis A. Hansell, Patricia A. Matrai, Caroline Leck

Research output: Contribution to journalReview articlepeer-review


Marine polymer gels play a critical role in regulating ocean basin scale biogeochemical dynamics. This brief review introduces the crucial role of marine gels as a source of aerosol particles and cloud condensation nuclei (CCN) in cloud formation processes, emphasizing Arctic marine microgels. We review the gel’s composition and relation to aerosols, their emergent properties, and physico-chemical processes that explain their change in size spectra, specifically in relation to aerosols and CCN. Understanding organic aerosols and CCN in this context provides clear benefits to quantifying the role of marine nanogel/microgel in microphysical processes leading to cloud formation. This review emphasizes the DOC-marine gel/aerosolized gel-cloud link, critical to developing accurate climate models.

Original languageEnglish (US)
Article number185
Issue number4
StatePublished - Dec 2021


  • Aerosols
  • CCN
  • Central Arctic Ocean
  • DOC
  • Marine gels
  • SML

ASJC Scopus subject areas

  • Bioengineering
  • Biomaterials
  • Organic Chemistry
  • Polymers and Plastics


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