Preprints
https://doi.org/10.5194/acp-2021-282
https://doi.org/10.5194/acp-2021-282

  16 Apr 2021

16 Apr 2021

Review status: a revised version of this preprint was accepted for the journal ACP and is expected to appear here in due course.

Zeppelin-led study on the onset of new particle formation in the planetary boundary layer

Janne Lampilahti1, Hanna E. Manninen2, Tuomo Nieminen1, Sander Mirme3, Mikael Ehn1, Iida Pullinen4, Katri Leino1, Siegfried Schobesberger1,4, Juha Kangasluoma1, Jenni Kontkanen1, Emma Järvinen5, Riikka Väänänen1, Taina Yli-Juuti4, Radovan Krejci6, Katrianne Lehtipalo1,7, Janne Levula1, Aadu Mirme3, Stefano Decesari8, Ralf Tillmann9, Douglas R. Worsnop1,4,10, Franz Rohrer9, Astrid Kiendler-Scharr9, Tuukka Petäjä1,11, Veli-Matti Kerminen1, Thomas F. Mentel9, and Markku Kulmala1,11,12 Janne Lampilahti et al.
  • 1Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, Finland
  • 2CERN, CH-1211 Geneva, Switzerland
  • 3Institute of Physics, University of Tartu, Tartu, Estonia
  • 4Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
  • 5National Center for Atmospheric Research, Boulder, CO, USA
  • 6Department of Environmental Science & Bolin Centre for Climate research, Stockholm University, Stockholm, Sweden
  • 7Finnish Meteorological Institute, Helsinki, Finland
  • 8Istituto di Scienze dell'Atmosfera e del Clima, CNR, Bologna, Italy
  • 9Institute for Energy and Climate Research, IEK-8, Forschungszentrum Jülich GmbH, Jülich, Germany
  • 10Aerodyne Research Inc, Billerica, MA, USA
  • 11Joint International Research Laboratory of Atmospheric and Earth System Sciences, Nanjing. University, Nanjing, China
  • 12Aerosol and Haze Laboratory, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, China

Abstract. We compared observations of aerosol particle formation and growth in different parts of the planetary boundary layer at two different environments that have frequent new particle formation (NPF) events. In summer 2012 we had a campaign in Po Valley, Italy (urban background) and in spring 2013 a similar campaign took place in Hyytiälä, Finland (rural background). Our study consists of airborne and ground-based measurements of ion and particle size distribution from ~1 nm. The airborne measurements were performed using a Zeppelin inside the boundary layer up to 1000 m altitude. Our observations show the onset of regional NPF and the subsequent growth of the aerosol particles happening uniformly inside the mixed layer (ML) in both locations. However, in Hyytiälä we noticed local enhancement in the intensity of NPF caused by mesoscale BL dynamics. Additionally, our observations indicate that in Hyytiälä NPF was probably also taking place above the ML. In Po Valley we observed NPF that was limited to a specific air mass.

Janne Lampilahti et al.

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on acp-2021-282', Wolfgang Junkermann, 02 May 2021
    • AC3: 'Reply on CC1', Janne Lampilahti, 14 Jul 2021
  • RC1: 'Comment on acp-2021-282', Anonymous Referee #1, 15 May 2021
    • AC1: 'Reply on RC1', Janne Lampilahti, 09 Jul 2021
  • RC2: 'Comment on acp-2021-282', Anonymous Referee #2, 01 Jun 2021
    • AC2: 'Reply on RC2', Janne Lampilahti, 09 Jul 2021

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on acp-2021-282', Wolfgang Junkermann, 02 May 2021
    • AC3: 'Reply on CC1', Janne Lampilahti, 14 Jul 2021
  • RC1: 'Comment on acp-2021-282', Anonymous Referee #1, 15 May 2021
    • AC1: 'Reply on RC1', Janne Lampilahti, 09 Jul 2021
  • RC2: 'Comment on acp-2021-282', Anonymous Referee #2, 01 Jun 2021
    • AC2: 'Reply on RC2', Janne Lampilahti, 09 Jul 2021

Janne Lampilahti et al.

Data sets

Zeppelin-led study on the onset of new particle formation in the planetary boundary layer: dataset Lampilahti, Janne; Manninen, Hanna E.; Nieminen, Tuomo; Mirme, Sander; Ehn, Mikael; Pullinen, Iida; Leino, Katri; Schobesberger, Siegfried; Kangasluoma, Juha; Kontkanen, Jenni; Järvinen, Emma; Väänänen, Riikka; Yli-Juuti, Taina; Krecji, Radovan; Lehtipalo, Katrianne; Levula, Janne; Mirme, Aadu; Decesari, Stefano; Tillmann, Ralf; Worsnop, Douglas R.; Rohrer, Franz; Petäjä, Tuukka; Kerminen, Veli-Matti; Mentel, Thomas F.; Kulmala, Markku https://doi.org/10.5281/zenodo.4660145

Janne Lampilahti et al.

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Short summary
We studied aerosol particle formation and growth in different parts of the planetary boundary layer at two different locations (Po Valley, Italy and Hyytiälä, Finland). The observations consist of airborne measurements on board an instrumented Zeppelin and a small airplane combined with comprehensive ground-based measurements.
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