Natural Marine Precursors Boost Continental New Particle Formation and Production of Cloud Condensation Nuclei.

ABSTRACT: Marine dimethyl sulfide (DMS) emissions are the dominant source of natural sulfur in the atmosphere. DMS oxidizes to produce low-volatility acids that potentially nucleate to form particles that may grow into climatically important cloud condensation nuclei (CCN). In this work, we utilize the chemistry transport model ADCHEM to demonstrate that DMS emissions are likely to contribute to the majority of CCN during the biological active period (May-August) at three different forest stations in the Nordic countries. DMS increases CCN concentrations by forming nucleation and Aitken mode particles over the ocean and land, which eventually grow into the accumulation mode by condensation of low-volatility organic compounds from continental vegetation. Our findings provide a new understanding of th

SUBMITTER: de Jonge RW 

PROVIDER: S-EPMC11210206 | biostudies-literature | 2024 Jun

REPOSITORIES: biostudies-literature