Zobrazeno 1 - 10
of 31
pro vyhledávání: '"R. Axinte"'
Autor:
C. M. Nussbaumer, J. N. Crowley, J. Schuladen, J. Williams, S. Hafermann, A. Reiffs, R. Axinte, H. Harder, C. Ernest, A. Novelli, K. Sala, M. Martinez, C. Mallik, L. Tomsche, C. Plass-Dülmer, B. Bohn, J. Lelieveld, H. Fischer
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 18413-18432 (2021)
Various atmospheric sources and sinks regulate the abundance of tropospheric formaldehyde (HCHO), which is an important trace gas impacting the HOx (≡ HO2 + OH) budget and the concentration of ozone (O3). In this study, we present the formation and
Externí odkaz:
https://doaj.org/article/55e33d3cd3aa4d499d99cad07809961c
Autor:
H. Fischer, R. Axinte, H. Bozem, J. N. Crowley, C. Ernest, S. Gilge, S. Hafermann, H. Harder, K. Hens, R. H. H. Janssen, R. Königstedt, D. Kubistin, C. Mallik, M. Martinez, A. Novelli, U. Parchatka, C. Plass-Dülmer, A. Pozzer, E. Regelin, A. Reiffs, T. Schmidt, J. Schuladen, J. Lelieveld
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 11953-11968 (2019)
Hydrogen peroxide (H2O2) plays a significant role in the oxidizing capacity of the atmosphere. It is an efficient oxidant in the liquid phase and serves as a temporary reservoir for the hydroxyl radical (OH), the most important oxidizing agent in the
Externí odkaz:
https://doaj.org/article/dd8b4612dcdd468588173960a02e0fcc
Autor:
J. N. Crowley, N. Pouvesle, G. J. Phillips, R. Axinte, H. Fischer, T. Petäjä, A. Nölscher, J. Williams, K. Hens, H. Harder, M. Martinez-Harder, A. Novelli, D. Kubistin, B. Bohn, J. Lelieveld
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 13457-13479 (2018)
Unlike many oxidised atmospheric trace gases, which have numerous production pathways, peroxyacetic acid (PAA) and PAN are formed almost exclusively in gas-phase reactions involving the hydroperoxy radical (HO2), the acetyl peroxy radical (CH3C(O)
Externí odkaz:
https://doaj.org/article/930378d10b2b47c1a724c968d3aa10dc
Autor:
B. Bonn, E. Bourtsoukidis, T. S. Sun, H. Bingemer, L. Rondo, U. Javed, J. Li, R. Axinte, X. Li, T. Brauers, H. Sonderfeld, R. Koppmann, A. Sogachev, S. Jacobi, D. V. Spracklen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 19, Pp 10823-10843 (2014)
It has been claimed for more than a century that atmospheric new particle formation is primarily influenced by the presence of sulfuric acid. However, the activation process of sulfuric acid related clusters into detectable particles is still an unre
Externí odkaz:
https://doaj.org/article/b2b260e9607f4364a45f8fc87289897c
Autor:
K. Hens, A. Novelli, M. Martinez, J. Auld, R. Axinte, B. Bohn, H. Fischer, P. Keronen, D. Kubistin, A. C. Nölscher, R. Oswald, P. Paasonen, T. Petäjä, E. Regelin, R. Sander, V. Sinha, M. Sipilä, D. Taraborrelli, C. Tatum Ernest, J. Williams, J. Lelieveld, H. Harder
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 16, Pp 8723-8747 (2014)
Measurements of OH and HO2 radicals were conducted in a pine-dominated forest in southern Finland during the HUMPPA-COPEC-2010 (Hyytiälä United Measurements of Photochemistry and Particles in Air – Comprehensive Organic Precursor Emission and
Externí odkaz:
https://doaj.org/article/474e7e4b56844a7ca15a1d091e8e1bbb
Autor:
G. J. Phillips, N. Pouvesle, J. Thieser, G. Schuster, R. Axinte, H. Fischer, J. Williams, J. Lelieveld, J. N. Crowley
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 3, Pp 1129-1139 (2013)
We describe measurements of peroxyacetyl nitrate (CH3C(O)O2NO2, PAN) and peroxyacetic acid (CH3C(O)OOH, PAA) in the Boreal forest using iodide chemical ionization mass spectrometry (ICIMS). The measurements were made during the Hyytiälä United Meas
Externí odkaz:
https://doaj.org/article/78636a6bd40b41afa4071228dcccd56a
Autor:
A. C. Nölscher, J. Williams, V. Sinha, T. Custer, W. Song, A. M. Johnson, R. Axinte, H. Bozem, H. Fischer, N. Pouvesle, G. Phillips, J. N. Crowley, P. Rantala, J. Rinne, M. Kulmala, D. Gonzales, J. Valverde-Canossa, A. Vogel, T. Hoffmann, H. G. Ouwersloot, J. Vilà-Guerau de Arellano, J. Lelieveld
Publikováno v:
Atmospheric Chemistry and Physics, Vol 12, Iss 17, Pp 8257-8270 (2012)
Ambient total OH reactivity was measured at the Finnish boreal forest station SMEAR II in Hyytiälä (Latitude 61°51' N; Longitude 24°17' E) in July and August 2010 using the Comparative Reactivity Method (CRM). The CRM – total OH reactivity meth
Externí odkaz:
https://doaj.org/article/bc9d533282b04f6a87887ba947e7993b
Autor:
J. Williams, J. Crowley, H. Fischer, H. Harder, M. Martinez, T. Petäjä, J. Rinne, J. Bäck, M. Boy, M. Dal Maso, J. Hakala, M. Kajos, P. Keronen, P. Rantala, J. Aalto, H. Aaltonen, J. Paatero, T. Vesala, H. Hakola, J. Levula, T. Pohja, F. Herrmann, J. Auld, E. Mesarchaki, W. Song, N. Yassaa, A. Nölscher, A. M. Johnson, T. Custer, V. Sinha, J. Thieser, N. Pouvesle, D. Taraborrelli, M. J. Tang, H. Bozem, Z. Hosaynali-Beygi, R. Axinte, R. Oswald, A. Novelli, D. Kubistin, K. Hens, U. Javed, K. Trawny, C. Breitenberger, P. J. Hidalgo, C. J. Ebben, F. M. Geiger, A. L. Corrigan, L. M. Russell, H. G. Ouwersloot, J. Vilà-Guerau de Arellano, L. Ganzeveld, A. Vogel, M. Beck, A. Bayerle, C. J. Kampf, M. Bertelmann, F. Köllner, T. Hoffmann, J. Valverde, D. González, M.-L. Riekkola, M. Kulmala, J. Lelieveld
Publikováno v:
Atmospheric Chemistry and Physics, Vol 11, Iss 20, Pp 10599-10618 (2011)
This paper describes the background, instrumentation, goals, and the regional influences on the HUMPPA-COPEC intensive field measurement campaign, conducted at the Boreal forest research station SMEAR II (Station for Measuring Ecosystem-Atmosphere Re
Externí odkaz:
https://doaj.org/article/418afe1367bc44fdb0b0500fa94bb7be
Akademický článek
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Autor:
John Crowley, Jan Schuladen, Jonathan Williams, Birger Bohn, Clara M. Nussbaumer, Cheryl Ernest, Laura Tomsche, Christian Plass-Dülmer, Monica Martinez, Jos Lelieveld, Sascha Hafermann, Andreas Reiffs, Chinmay Mallik, Katrin Sala, Hartwig Harder, Horst Fischer, Anna Novelli, R. Axinte
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 18413-18432 (2021)
Various atmospheric sources and sinks regulate the abundance of tropospheric formaldehyde (HCHO), which is an important trace gas impacting the HOx (≡ HO2 + OH) budget and the concentration of ozone (O3). In this study, we present the formation and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::547ebd6cd42bbb9381e8527c497a2b53
https://acp.copernicus.org/preprints/acp-2021-694/
https://acp.copernicus.org/preprints/acp-2021-694/
