Zobrazeno 1 - 10
of 1 058
pro vyhledávání: '"C. Plass"'
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. M. Liebmann, J. B. A. Muller, D. Kubistin, A. Claude, R. Holla, C. Plass-Dülmer, J. Lelieveld, J. N. Crowley
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 12045-12059 (2018)
We present direct measurements of the summertime total reactivity of NO3 towards organic trace gases, kOTGNO3, at a rural mountain site (988 m a.s.l.) in southern Germany in 2017. The diel cycle of kOTGNO3 was strongly influenced by local met
Externí odkaz:
https://doaj.org/article/9805311d16ce435f9e1553d1827b2f18
Autor:
J. B. A. Muller, T. Elste, C. Plass-Dülmer, G. Stange, R. Holla, A. Claude, J. Englert, S. Gilge, D. Kubistin
Publikováno v:
Atmospheric Measurement Techniques, Vol 11, Pp 4413-4433 (2018)
An operational chemical ionization mass spectrometer (CIMS) for hydroxyl radical (OH) and sulfuric acid (H2SO4) concentration measurements was adapted to include observations of OH reactivity, which is the inverse of OH lifetime, for long-term mon
Externí odkaz:
https://doaj.org/article/7b0ce79c8ef94e5abfecf39b61e13acd
Autor:
J. Englert, A. Claude, A. Demichelis, S. Persijn, A. Baldan, J. Li, C. Plass-Duelmer, K. Michl, E. Tensing, R. Wortman, Y. Ghorafi, M. Lecuna, G. Sassi, M. P. Sassi, D. Kubistin
Publikováno v:
Atmospheric Measurement Techniques, Vol 11, Pp 3197-3203 (2018)
Air quality observations are performed globally to monitor the status of the atmosphere and its level of pollution and to assess mitigation strategies. Regulations of air quality monitoring programmes in various countries demand high-precision mea
Externí odkaz:
https://doaj.org/article/dc2fd0cbdf824683ac175e026bf48cde
Autor:
J. Größ, A. Hamed, A. Sonntag, G. Spindler, H. E. Manninen, T. Nieminen, M. Kulmala, U. Hõrrak, C. Plass-Dülmer, A. Wiedensohler, W. Birmili
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 1835-1861 (2018)
This paper revisits the atmospheric new particle formation (NPF) process in the polluted Central European troposphere, focusing on the connection with gas-phase precursors and meteorological parameters. Observations were made at the research statio
Externí odkaz:
https://doaj.org/article/3927bf8176b84ecfadec03c85fad4d0a
Autor:
A. Novelli, K. Hens, C. Tatum Ernest, M. Martinez, A. C. Nölscher, V. Sinha, P. Paasonen, T. Petäjä, M. Sipilä, T. Elste, C. Plass-Dülmer, G. J. Phillips, D. Kubistin, J. Williams, L. Vereecken, J. Lelieveld, H. Harder
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Pp 7807-7826 (2017)
We analysed the extensive dataset from the HUMPPA-COPEC 2010 and the HOPE 2012 field campaigns in the boreal forest and rural environments of Finland and Germany, respectively, and estimated the abundance of stabilised Criegee intermediates (SCIs)
Externí odkaz:
https://doaj.org/article/d6d9640c69234fa790f030f8d929d549
Publikováno v:
Atmospheric Measurement Techniques, Vol 9, Iss 7, Pp 3455-3466 (2016)
Atmospheric O3 → O(1D) photolysis frequencies j(O1D) are crucial parameters for atmospheric photochemistry because of their importance for primary OH formation. Filter radiometers have been used for many years for in situ field measurements of j(O1
Externí odkaz:
https://doaj.org/article/b895c62ed53c4ef2a64487f2c36735b0
Autor:
C. C. Hoerger, A. Claude, C. Plass-Duelmer, S. Reimann, E. Eckart, R. Steinbrecher, J. Aalto, J. Arduini, N. Bonnaire, J. N. Cape, A. Colomb, R. Connolly, J. Diskova, P. Dumitrean, C. Ehlers, V. Gros, H. Hakola, M. Hill, J. R. Hopkins, J. Jäger, R. Junek, M. K. Kajos, D. Klemp, M. Leuchner, A. C. Lewis, N. Locoge, M. Maione, D. Martin, K. Michl, E. Nemitz, S. O'Doherty, P. Pérez Ballesta, T. M. Ruuskanen, S. Sauvage, N. Schmidbauer, T. G. Spain, E. Straube, M. Vana, M. K. Vollmer, R. Wegener, A. Wenger
Publikováno v:
Atmospheric Measurement Techniques, Vol 8, Iss 7, Pp 2715-2736 (2015)
The performance of 18 European institutions involved in long-term non-methane hydrocarbon (NMHC) measurements in ambient air within the framework of the Global Atmosphere Watch (GAW) and the European Monitoring and Evaluation Programme (EMEP) was ass
Externí odkaz:
https://doaj.org/article/f8029415a03245218820ac4e375d6c5e
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 3, Pp 1221-1236 (2015)
From the rural Global Atmosphere Watch (GAW) site Hohenpeissenberg in the pre-alpine area of southern Germany, a data set of 24 C2–C8 non-methane hydrocarbons over a period of 7 years was analyzed. Receptor modeling was performed by positive matrix
Externí odkaz:
https://doaj.org/article/437bb0a832f34f6ea34df3c34935becc