Special Issues  

ACPD - Special Issue

Quantification of aerosol nucleation in the European boundary layer (QUEST 2002–2004)
Editor(s): K. Hämeri and A. Laaksonen


Carbonyl compounds in boreal coniferous forest air in Hyytiälä, Southern Finland
H. Hellén, H. Hakola, A. Reissell, and T. M. Ruuskanen
Atmos. Chem. Phys. Discuss., 4, 2991-3011, 2004
Abstract   Discussion Paper (PDF, 428 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  03 Jun 2004
Deployment of a ground-based CIMS apparatus for the detection of organic gases in the boreal forest during the QUEST campaign
K. Sellegri, B. Umann, M. Hanke, and F. Arnold
Atmos. Chem. Phys. Discuss., 4, 3835-3873, 2004
Abstract   Discussion Paper (PDF, 2206 KB)   Interactive Discussion (Closed, 5 Comments)   Final Revised Paper (ACP)


  09 Jul 2004
Kinetic nucleation and ions in boreal particle formation events
L. Laakso, T. Anttila, K. E. J. Lehtinen, P. P. Aalto, M. Kulmala, U. Hõrrak, J. Paatero, M. Hanke, and F. Arnold
Atmos. Chem. Phys. Discuss., 4, 3911-3945, 2004
Abstract   Discussion Paper (PDF, 3397 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  20 Jul 2004
Ion production rate in a boreal forest based on ion, particle and radiation measurements
L. Laakso, T. Petäjä, K. E. J. Lehtinen, M. Kulmala, J. Paatero, U. Hõrrak, H. Tammet, and J. Joutsensaari
Atmos. Chem. Phys. Discuss., 4, 3947-3973, 2004
Abstract   Discussion Paper (PDF, 734 KB)   Interactive Discussion (Closed, 5 Comments)   Final Revised Paper (ACP)


  20 Jul 2004
Measurements of organic gases during aerosol formation events in the boreal forest atmosphere during QUEST
K. Sellegri, M. Hanke, B. Umann, F. Arnold, and M. Kulmala
Atmos. Chem. Phys. Discuss., 4, 4641-4664, 2004
Abstract   Discussion Paper (PDF, 966 KB)   Interactive Discussion (Closed, 2 Comments)   Final Revised Paper (ACP)


  20 Aug 2004
Initial steps of aerosol growth
O. Kulmala, L. Laakso, K. E. J. Lehtinen, I. Riipinen, M. Dal Maso, T. Anttila, V.-M. Kerminen, U. Hõrrak, M. Vana, and H. Tammet
Atmos. Chem. Phys. Discuss., 4, 5433-5454, 2004
Abstract   Discussion Paper (PDF, 689 KB)   Interactive Discussion (Closed, 3 Comments)   Final Revised Paper (ACP)


  17 Sep 2004
Sulphuric acid closure and contribution to nucleation mode particle growth
M. Boy, M. Kulmala, T. M. Ruuskanen, M. Pihlatie, A. Reissell, P. P. Aalto, P. Keronen, M. Dal Maso, H. Hellen, H. Hakola, R. Jansson, M. Hanke, and F. Arnold
Atmos. Chem. Phys. Discuss., 4, 6341-6377, 2004
Abstract   Discussion Paper (PDF, 3630 KB)   Interactive Discussion (Closed, 3 Comments)   Final Revised Paper (ACP)


  07 Oct 2004
Temperature and light dependence of the VOC emissions of Scots pine
V. Tarvainen, H. Hakola, H. Hellén, J. Bäck, P. Hari, and M. Kulmala
Atmos. Chem. Phys. Discuss., 4, 6691-6718, 2004
Abstract   Discussion Paper (PDF, 440 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  19 Oct 2004
Effects of SO2 oxidation on ambient aerosol growth in water and ethanol vapours
T. Petäjä, V.-M. Kerminen, K. Hämeri, P. Vaattovaara, J. Joutsensaari, W. Junkermann, A. Laaksonen, and M. Kulmala
Atmos. Chem. Phys. Discuss., 4, 7725-7755, 2004
Abstract   Discussion Paper (PDF, 1148 KB)   Interactive Discussion (Closed, 2 Comments)   Final Revised Paper (ACP)


  26 Nov 2004
The contribution of sulphuric acid to atmospheric particle formation and growth: a comparison between boundary layers in Northern and Central Europe
V. Fiedler, M. Dal Maso, M. Boy, H. Aufmhoff, J. Hoffmann, T. Schuck, W. Birmili, F. Arnold, and M. Kulmala
Atmos. Chem. Phys. Discuss., 5, 573-605, 2005
Abstract   Discussion Paper (PDF, 7179 KB)   Interactive Discussion (Closed, 3 Comments)   Final Revised Paper (ACP)


  03 Feb 2005
Size and composition measurements of background aerosol and new particle growth in a Finnish forest during QUEST 2 using an Aerodyne Aerosol Mass Spectrometer
J. D. Allan, M. R. Alfarra, K. N. Bower, H. Coe, J. T. Jayne, D. R. Worsnop, P. P. Aalto, M. Kulmala, T. Hyötyläinen, F. Cavalli, and A. Laaksonen
Atmos. Chem. Phys. Discuss., 5, 8755-8789, 2005
Abstract   Discussion Paper (PDF, 1101 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  14 Sep 2005
Size-segregated aerosol chemical composition at a boreal site in southern Finland, during the QUEST project
F. Cavalli, M. C. Facchini, S. Decesari, L. Emblico, M. Mircea, N. R. Jensen, and S. Fuzzi
Atmos. Chem. Phys. Discuss., 5, 8851-8877, 2005
Abstract   Discussion Paper (PDF, 638 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  16 Sep 2005
Why formation rate of 3 nm particles depends linearly on sulphuric acid concentration?
M. Kulmala, K. E. J. Lehtinen, and A. Laaksonen
Atmos. Chem. Phys. Discuss., 5, 11277-11293, 2005
Abstract   Discussion Paper (PDF, 520 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  08 Nov 2005
The composition of nucleation and Aitken modes particles during coastal nucleation events: evidence for marine secondary organic contribution
P. Vaattovaara, P. E. Huttunen, Y. J. Yoon, J. Joutsensaari, K. E. J. Lehtinen, C. D. O’Dowd, and A. Laaksonen
Atmos. Chem. Phys. Discuss., 6, 3337-3379, 2006
Abstract   Discussion Paper (PDF, 1688 KB)   Interactive Discussion (Closed, 3 Comments)   Final Revised Paper (ACP)


  21 Apr 2006
MALTE – Model to predict new aerosol formation in the lower troposphere
M. Boy, O. Hellmuth, H. Korhonen, E. D. Nilsson, D. ReVelle, A. Turnipseed, F. Arnold, and M. Kulmala
Atmos. Chem. Phys. Discuss., 6, 3465-3512, 2006
Abstract   Discussion Paper (PDF, 5330 KB)   Interactive Discussion (Closed, 3 Comments)   Final Revised Paper (ACP)


  04 May 2006
Atmospheric sulphuric acid and aerosol formation: implications from atmospheric measurements for nucleation and early growth mechanisms
S.-L. Sihto, M. Kulmala, V.-M. Kerminen, M. Dal Maso, T. Petäjä, I. Riipinen, H. Korhonen, F. Arnold, R. Janson, M. Boy, A. Laaksonen, and K. E. J. Lehtinen
Atmos. Chem. Phys. Discuss., 6, 3845-3882, 2006
Abstract   Discussion Paper (PDF, 877 KB)   Interactive Discussion (Closed, 5 Comments)   Final Revised Paper (ACP)


  15 May 2006
Airborne measurements of nucleation mode particles I: coastal nucleation and growth rates
C. D. O’Dowd, Y. J. Yoon, W. Junkerman, P. Aalto, M. Kulmala, H. Lihavainen, and Y. Viisanen
Atmos. Chem. Phys. Discuss., 6, 8097-8123, 2006
Abstract   Discussion Paper (PDF, 1505 KB)   Interactive Discussion (Closed, 2 Comments)   Final Revised Paper (ACP)


  25 Aug 2006
Using discriminant analysis as a nucleation event classification method
S. Mikkonen, K. E. J. Lehtinen, A. Hamed, J. Joutsensaari, M. C. Facchini, and A. Laaksonen
Atmos. Chem. Phys. Discuss., 6, 8485-8510, 2006
Abstract   Discussion Paper (PDF, 835 KB)   Interactive Discussion (Closed, 3 Comments)   Final Revised Paper (ACP)


  07 Sep 2006
Nucleation and growth of new particles in Po Valley, Italy
A. Hamed, J. Joutsensaari, S. Mikkonen, L. Sogacheva, M. Dal Maso, M. Kulmala, F. Cavalli, S. Fuzzi, M. C. Facchini, S. Decesari, M. Mircea, K. E. J. Lehtinen, and A. Laaksonen
Atmos. Chem. Phys. Discuss., 6, 9603-9653, 2006
Abstract   Discussion Paper (PDF, 2662 KB)   Interactive Discussion (Closed, 3 Comments)   Final Revised Paper (ACP)


  05 Oct 2006
Hygroscopic properties of ultrafine aerosol particles in the boreal forest: diurnal variation, solubility and the influence of sulfuric acid
M. Ehn, T. Petäjä, H. Aufmhoff, P. Aalto, K. Hämeri, F. Arnold, A. Laaksonen, and M. Kulmala
Atmos. Chem. Phys. Discuss., 6, 9937-9965, 2006
Abstract   Discussion Paper (PDF, 1581 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  10 Oct 2006
Non-volatile residuals of newly formed atmospheric particles in the boreal forest
M. Ehn, T. Petäjä, W. Birmili, H. Junninen, P. Aalto, and M. Kulmala
Atmos. Chem. Phys. Discuss., 6, 10403-10424, 2006
Abstract   Discussion Paper (PDF, 800 KB)   Interactive Discussion (Closed, 3 Comments)   Final Revised Paper (ACP)


  17 Oct 2006
Aerosol formation over the Boreal forest in Hyytiälä, Finland: monthly frequency and annual cycles – the roles of air mass characteristics and synoptic scale meteorology
E. D. Nilsson and M. Kulmala
Atmos. Chem. Phys. Discuss., 6, 10425-10462, 2006
Abstract   Discussion Paper (PDF, 597 KB)   Interactive Discussion (Final Response, 3 Comments)


  18 Oct 2006
Boundary layer concentrations and landscape scale emissions of volatile organic compounds in early spring
S. Haapanala, J. Rinne, H. Hakola, H. Hellén, L. Laakso, H. Lihavainen, R. Janson, and M. Kulmala
Atmos. Chem. Phys. Discuss., 6, 10567-10589, 2006
Abstract   Discussion Paper (PDF, 1412 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  18 Oct 2006
Connections between atmospheric sulphuric acid and new particle formation during QUEST III–IV campaigns in Heidelberg and Hyytiälä
I. Riipinen, S.-L. Sihto, M. Kulmala, F. Arnold, M. Dal Maso, W. Birmili, K. Saarnio, K. Teinilä, V.-M. Kerminen, A. Laaksonen, and K. E. J. Lehtinen
Atmos. Chem. Phys. Discuss., 6, 10837-10882, 2006
Abstract   Discussion Paper (PDF, 2184 KB)   Interactive Discussion (Closed, 5 Comments)   Final Revised Paper (ACP)


  25 Oct 2006
Relation of air mass history to nucleation events in Po Valley, Italy, using back trajectories analysis
L. Sogacheva, A. Hamed, M. C. Facchini, M. Kulmala, and A. Laaksonen
Atmos. Chem. Phys. Discuss., 6, 11209-11246, 2006
Abstract   Discussion Paper (PDF, 1115 KB)   Interactive Discussion (Closed, 5 Comments)   Final Revised Paper (ACP)


  13 Nov 2006
Ambient sesquiterpene concentration and its link to air ion measurements
B. Bonn, A. Hirsikko, H. Hakola, T. Kurtén, L. Laakso, M. Boy, M. Dal Maso, J. M. Mäkelä, and M. Kulmala
Atmos. Chem. Phys. Discuss., 6, 13165-13224, 2006
Abstract   Discussion Paper (PDF, 2246 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  15 Dec 2006
The role of VOC oxidation products in continental new particle formation
A. Laaksonen, M. Kulmala, C. D. O'Dowd, J. Joutsensaari, P. Vaattovaara, S. Mikkonen, K. E. J. Lehtinen, L. Sogacheva, M. Dal Maso, P. Aalto, T. Petäjä, A. Sogachev, Y. Jun Yoon, H. Lihavainen, D. Nilsson, M. Cristina Facchini, F. Cavalli, S. Fuzzi, T. Hoffmann, F. Arnold, M. Hanke, K. Sellegri, B. Umann, W. Junkermann, H. Coe, J. D. Allan, M. Rami Alfarra, D. R. Worsnop, M.-L. Riekkola, T. Hyötyläinen, and Y. Viisanen
Atmos. Chem. Phys. Discuss., 7, 7819-7841, 2007
Abstract   Discussion Paper (PDF, 1267 KB)   Interactive Discussion (Closed, 4 Comments)   Final Revised Paper (ACP)


  04 Jun 2007
Airborne measurements of nucleation mode particles II: boreal forest nucleation events
C. D. O'Dowd, Y. J. Yoon, W. Junkerman, P. Aalto, M. Kulmala, H. Lihavainen, and Y. Viisanen
Atmos. Chem. Phys. Discuss., 8, 2821-2848, 2008
Abstract   Discussion Paper (PDF, 1907 KB)   Interactive Discussion (Final Response, 2 Comments)


  13 Feb 2008

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