Hygroscopic properties of submicrometer atmospheric aerosol particles measured with H-TDMA instruments in various environments - a review

Erik Swietlicki, H-C Hansson, K Hameri, Birgitta Svenningsson, A Massling, G McFiggans, P H McMurry, T Petaja, P Tunved, M Gysel, D Topping, E Weingartner, U Baltensperger, Jenny Rissler, A Wiedensohler, M Kulmala

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339 Citations (SciVal)


The hygroscopic properties play a vital role for the direct and indirect effects of aerosols on climate, as well as the health effects of particulate matter (PM) by modifying the deposition pattern of inhaled particles in the humid human respiratory tract. Hygroscopic Tandem Differential Mobility Analyzer (H-TDMA) instruments have been used in field campaigns in various environments globally over the last 25 yr to determine the water uptake on submicrometre particles at subsaturated conditions. These investigations have yielded valuable and comprehensive information regarding the particle hygroscopic properties of the atmospheric aerosol, including state of mixing. These properties determine the equilibrium particle size at ambient relative humidities and have successfully been used to calculate the activation of particles at water vapour supersaturation. This paper summarizes the existing published H-TDMA results on the size-resolved submicrometre aerosol particle hygroscopic properties obtained from ground-based measurements at multiple marine, rural, urban and free tropospheric measurement sites. The data is classified into groups of hygroscopic growth indicating the external mixture, and providing clues to the sources and processes controlling the aerosol. An evaluation is given on how different chemical and physical properties affect the hygroscopic growth.
Original languageEnglish
Pages (from-to)432-469
JournalTellus. Series B: Chemical and Physical Meteorology
Issue number3
Publication statusPublished - 2008

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Nuclear Physics (Faculty of Technology) (011013007), Dept of Physical Geography and Ecosystem Science (011010000)

Subject classification (UKÄ)

  • Subatomic Physics
  • Physical Geography


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