Climatology of new particle formation and corresponding precursors at storm peak laboratory

A. Gannet Hallar, Ross Petersen, Ian B. McCubbin, Doug Lowenthal, Shanhu Lee, Elisabeth Andrews, Fangqun Yu

Research output: Contribution to journalArticlepeer-review

Abstract

Thirteen years of measurements of ultrafine (3-10 nm diameter) aerosols are presented from a remote high elevation (3210 m a.s.l.) site in Colorado, Storm Peak Laboratory. Previous work has shown that frequent new particle formation (NPF) occurs regularly at the site (52% of days). This long-term climatology of ultrafine aerosols clearly shows a seasonal dependence on new particle formation at Storm Peak Laboratory, reaching a maximum during the spring season and a minimum in summer. Recent sulfur dioxide data indicates a strong source region west of Storm Peak Laboratory, and this wind direction corresponds to the predominant wind direction observed during NPF events.

Original languageEnglish
Pages (from-to)816-826
Number of pages11
JournalAerosol and Air Quality Research
Volume16
Issue number3
DOIs
Publication statusPublished - 2016 Mar 1
Externally publishedYes

Subject classification (UKÄ)

  • Meteorology and Atmospheric Sciences

Free keywords

  • Mountain site
  • New particle formation
  • Sulfur dioxide measurements

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