T
Tuukka Petäjä
Researcher at University of Helsinki
Publications - 620
Citations - 38508
Tuukka Petäjä is an academic researcher from University of Helsinki. The author has contributed to research in topics: Aerosol & Particle. The author has an hindex of 82, co-authored 526 publications receiving 30572 citations. Previous affiliations of Tuukka Petäjä include Helsinki Institute of Physics & National Center for Atmospheric Research.
Papers
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Journal ArticleDOI
Low hygroscopic scattering enhancement of boreal aerosol and the implications for a columnar optical closure study
Paul Zieger,P. P. Aalto,V. Aaltonen,Mikko Äijälä,John Backman,John Backman,Juan Hong,Mika Komppula,Radovan Krejci,Radovan Krejci,M. Laborde,Janne Lampilahti,G. de Leeuw,G. de Leeuw,A. Pfüller,Bernadette Rosati,Matthias Tesche,Matthias Tesche,Peter Tunved,Riikka Väänänen,Tuukka Petäjä +20 more
TL;DR: In this article, the authors present results of an intensive field campaign carried out in summer 2013 at the SMEAR II station at Hyytiala, Finland, where ground-based and airborne measurements of aerosol optical, chemical and microphysical properties were conducted.
Journal ArticleDOI
Increased inorganic aerosol fraction contributes to air pollution and haze in China
Yonghong Wang,Yonghong Wang,Yuesi Wang,Lili Wang,Tuukka Petäjä,Tuukka Petäjä,Qiaozhi Zha,Chongshui Gong,Chongshui Gong,Sixuan Li,Yuepeng Pan,Bo Hu,Jinyuan Xin,Markku Kulmala,Markku Kulmala,Markku Kulmala +15 more
TL;DR: In this article, the authors investigated the formation mechanism of an increased number of haze-related events in China and found that reduced surface visibility from 1980 to 2010 and an increase in satellite-derived columnar concentrations of inorganic precursors from 2002 to 2012 are connected with each other.
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Anthropogenic and biogenic influence on VOC fluxes at an urban background site in Helsinki, Finland
Pekka Rantala,Leena Järvi,Risto Taipale,Terhi K. Laurila,Johanna Patokoski,Maija Kajos,Mona Kurppa,Sami Haapanala,Erkki Siivola,Tuukka Petäjä,Taina Ruuskanen,Janne Rinne +11 more
TL;DR: In this paper, the authors measured volatile organic compounds (VOCs), carbon dioxide (CO2) and carbon monoxide (CO) at an urban background site near the city centre of Helsinki, Finland, northern Europe.
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Roadside aerosol study using hygroscopic, organic and volatility TDMAs: Characterization and mixing state
Petri Tiitta,Pasi Miettinen,Petri Vaattovaara,Jorma Joutsensaari,Tuukka Petäjä,Annele Virtanen,Tomi Raatikainen,Pasi Aalto,Harri Portin,Sami Romakkaniemi,Harri Kokkola,Kari E. J. Lehtinen,Kari E. J. Lehtinen,Markku Kulmala,Ari Laaksonen,Ari Laaksonen +15 more
TL;DR: In this paper, a suite of TDMA instruments was deployed to study the composition of the nucleation and Aitken mode particles (D p ǫ = 10-50nm) formed from vehicle exhaust.
Journal ArticleDOI
Aliphatic and aromatic amines in atmospheric aerosol particles: comparison of three ionization techniques in liquid chromatography-mass spectrometry and method development.
Jose Ruiz-Jimenez,Sanna Hautala,Jevgeni Parshintsev,Totti Laitinen,Kari Hartonen,Tuukka Petäjä,Markku Kulmala,Marja-Liisa Riekkola +7 more
TL;DR: From three different ionization techniques studied electrospray ionization was superior in terms of sensitivity, linearity, repeatability and reproducibility over atmospheric pressure chemical ionization and photoionization for the target analytes.