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Akademický článek
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Akademický článek
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Autor:
Katrianne Lehtipalo, Linda Rondo, Jenni Kontkanen, Siegfried Schobesberger, Tuija Jokinen, Nina Sarnela, Andreas Kürten, Sebastian Ehrhart, Alessandro Franchin, Tuomo Nieminen, Francesco Riccobono, Mikko Sipilä, Taina Yli-Juuti, Jonathan Duplissy, Alexey Adamov, Lars Ahlm, João Almeida, Antonio Amorim, Federico Bianchi, Martin Breitenlechner, Josef Dommen, Andrew J. Downard, Eimear M. Dunne, Richard C. Flagan, Roberto Guida, Jani Hakala, Armin Hansel, Werner Jud, Juha Kangasluoma, Veli-Matti Kerminen, Helmi Keskinen, Jaeseok Kim, Jasper Kirkby, Agnieszka Kupc, Oona Kupiainen-Määttä, Ari Laaksonen, Michael J. Lawler, Markus Leiminger, Serge Mathot, Tinja Olenius, Ismael K. Ortega, Antti Onnela, Tuukka Petäjä, Arnaud Praplan, Matti P. Rissanen, Taina Ruuskanen, Filipe D. Santos, Simon Schallhart, Ralf Schnitzhofer, Mario Simon, James N. Smith, Jasmin Tröstl, Georgios Tsagkogeorgas, António Tomé, Petri Vaattovaara, Hanna Vehkamäki, Aron E. Vrtala, Paul E. Wagner, Christina Williamson, Daniela Wimmer, Paul M. Winkler, Annele Virtanen, Neil M. Donahue, Kenneth S. Carslaw, Urs Baltensperger, Ilona Riipinen, Joachim Curtius, Douglas R. Worsnop, Markku Kulmala
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-9 (2016)
The growth rates of freshly formed aerosol particles influence what fraction of these can reach sizes large enough to affect cloud formation and climate. Here, the authors show that the nano-particle growth in a sulphuric acid containing system can b
Externí odkaz:
https://doaj.org/article/dcb9648d9f5042379ffcce5bec60c206
Autor:
A. Franchin, S. Ehrhart, J. Leppä, T. Nieminen, S. Gagné, S. Schobesberger, D. Wimmer, J. Duplissy, F. Riccobono, E. M. Dunne, L. Rondo, A. Downard, F. Bianchi, A. Kupc, G. Tsagkogeorgas, K. Lehtipalo, H. E. Manninen, J. Almeida, A. Amorim, P. E. Wagner, A. Hansel, J. Kirkby, A. Kürten, N. M. Donahue, V. Makhmutov, S. Mathot, A. Metzger, T. Petäjä, R. Schnitzhofer, M. Sipilä, Y. Stozhkov, A. Tomé, V.-M. Kerminen, K. Carslaw, J. Curtius, U. Baltensperger, M. Kulmala
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 13, Pp 7203-7216 (2015)
We present the results of laboratory measurements of the ion–ion recombination coefficient at different temperatures, relative humidities and concentrations of ozone and sulfur dioxide. The experiments were carried out using the Cosmics Leaving OUt
Externí odkaz:
https://doaj.org/article/d7205f9e96324d46b038ec4056d36371
Autor:
S. Schobesberger, A. Franchin, F. Bianchi, L. Rondo, J. Duplissy, A. Kürten, I. K. Ortega, A. Metzger, R. Schnitzhofer, J. Almeida, A. Amorim, J. Dommen, E. M. Dunne, M. Ehn, S. Gagné, L. Ickes, H. Junninen, A. Hansel, V.-M. Kerminen, J. Kirkby, A. Kupc, A. Laaksonen, K. Lehtipalo, S. Mathot, A. Onnela, T. Petäjä, F. Riccobono, F. D. Santos, M. Sipilä, A. Tomé, G. Tsagkogeorgas, Y. Viisanen, P. E. Wagner, D. Wimmer, J. Curtius, N. M. Donahue, U. Baltensperger, M. Kulmala, D. R. Worsnop
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 1, Pp 55-78 (2015)
The formation of particles from precursor vapors is an important source of atmospheric aerosol. Research at the Cosmics Leaving OUtdoor Droplets (CLOUD) facility at CERN tries to elucidate which vapors are responsible for this new-particle formation,
Externí odkaz:
https://doaj.org/article/d0ab1e3a0a0344b5a42b04c07ed3975f
Autor:
R. Schnitzhofer, A. Metzger, M. Breitenlechner, W. Jud, M. Heinritzi, L.-P. De Menezes, J. Duplissy, R. Guida, S. Haider, J. Kirkby, S. Mathot, P. Minginette, A. Onnela, H. Walther, A. Wasem, A. Hansel, the CLOUD Team
Publikováno v:
Atmospheric Measurement Techniques, Vol 7, Iss 7, Pp 2159-2168 (2014)
The CLOUD experiment (Cosmics Leaving OUtdoor Droplets) investigates the nucleation of new particles and how this process is influenced by galactic cosmic rays in an electropolished, stainless-steel environmental chamber at CERN (European Organizatio
Externí odkaz:
https://doaj.org/article/21d885cee0c14d518b7a25a0af853ecc
Autor:
J. Ortega, A. Turnipseed, A. B. Guenther, T. G. Karl, D. A. Day, D. Gochis, J. A. Huffman, A. J. Prenni, E. J. T. Levin, S. M. Kreidenweis, P. J. DeMott, Y. Tobo, E. G. Patton, A. Hodzic, Y. Y. Cui, P. C. Harley, R. S. Hornbrook, E. C. Apel, R. K. Monson, A. S. D. Eller, J. P. Greenberg, M. C. Barth, P. Campuzano-Jost, B. B. Palm, J. L. Jimenez, A. C. Aiken, M. K. Dubey, C. Geron, J. Offenberg, M. G. Ryan, P. J. Fornwalt, S. C. Pryor, F. N. Keutsch, J. P. DiGangi, A. W. H. Chan, A. H. Goldstein, G. M. Wolfe, S. Kim, L. Kaser, R. Schnitzhofer, A. Hansel, C. A. Cantrell, R. L. Mauldin, J. N. Smith
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 12, Pp 6345-6367 (2014)
The Bio-hydro-atmosphere interactions of Energy, Aerosols, Carbon, H2O, Organics & Nitrogen (BEACHON) project seeks to understand the feedbacks and inter-relationships between hydrology, biogenic emissions, carbon assimilation, aerosol properties, cl
Externí odkaz:
https://doaj.org/article/e1ab1a60f1b341bf8d360bf95feb1b7c
Autor:
L. Hörtnagl, I. Bamberger, M. Graus, T. M. Ruuskanen, R. Schnitzhofer, M. Walser, A. Unterberger, A. Hansel, G. Wohlfahrt
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 11, Pp 5369-5391 (2014)
An overview of acetaldehyde exchange above a managed temperate mountain grassland in Austria over four growing seasons is presented. The meadow acted as a net source of acetaldehyde in all 4 years, emitting between 7 and 28 mg C m−2 over the whole
Externí odkaz:
https://doaj.org/article/0e4774ffebf248d08ca75287f24fdb4a
Autor:
G. M. Wolfe, C. Cantrell, S. Kim, R. L. Mauldin III, T. Karl, P. Harley, A. Turnipseed, W. Zheng, F. Flocke, E. C. Apel, R. S. Hornbrook, S. R. Hall, K. Ullmann, S. B. Henry, J. P. DiGangi, E. S. Boyle, L. Kaser, R. Schnitzhofer, A. Hansel, M. Graus, Y. Nakashima, Y. Kajii, A. Guenther, F. N. Keutsch
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 9, Pp 4715-4732 (2014)
Organic peroxy (RO2) and hydroperoxy (HO2) radicals are key intermediates in the photochemical processes that generate ozone, secondary organic aerosol and reactive nitrogen reservoirs throughout the troposphere. In regions with ample biogenic hydroc
Externí odkaz:
https://doaj.org/article/176fee7890264c4fb8053358cbf5edf3
Autor:
L. Kaser, T. Karl, A. Guenther, M. Graus, R. Schnitzhofer, A. Turnipseed, L. Fischer, P. Harley, M. Madronich, D. Gochis, F. N. Keutsch, A. Hansel
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 23, Pp 11935-11947 (2013)
We present the first eddy covariance flux measurements of volatile organic compounds (VOCs) using a proton-transfer-reaction time-of-flight mass spectrometer (PTR-TOF-MS) above a ponderosa pine forest in Colorado, USA. The high mass resolution of the
Externí odkaz:
https://doaj.org/article/1df4114d80374f25be8433963efc122a