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Birger Bohn
Researcher at Forschungszentrum Jülich
Publications - 133
Citations - 6746
Birger Bohn is an academic researcher from Forschungszentrum Jülich. The author has contributed to research in topics: Radical & Chemistry. The author has an hindex of 41, co-authored 106 publications receiving 5438 citations. Previous affiliations of Birger Bohn include Ruhr University Bochum.
Papers
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Journal ArticleDOI
Amplified trace gas removal in the troposphere.
Andreas Hofzumahaus,Franz Rohrer,Keding Lu,Keding Lu,Birger Bohn,Theo Brauers,Chih-Chung Chang,Hendrik Fuchs,Frank Holland,Kazuyuki Kita,Yutaka Kondo,Xin Li,Xin Li,Shengrong Lou,Shengrong Lou,Min Shao,Limin Zeng,Andreas Wahner,Yuanhang Zhang +18 more
TL;DR: Concentrations of OH were three to five times greater than expected, and the existence of a pathway for the regeneration of OH independent of NO is proposed, which amplifies the degradation of pollutants without producing ozone.
Journal ArticleDOI
Aging of biogenic secondary organic aerosol via gas-phase OH radical reactions
Neil M. Donahue,Kaytlin M. Henry,Thomas F. Mentel,Astrid Kiendler-Scharr,C. Spindler,Birger Bohn,Theo Brauers,Hans P. Dorn,Hendrik Fuchs,Ralf Tillmann,Andreas Wahner,Harald Saathoff,Karl-Heinz Naumann,Ottmar Möhler,Thomas Leisner,Lars Peter Müller,Marc-Christopher Reinnig,Thorsten Hoffmann,Kent Salo,Mattias Hallquist,Mia Frosch,Merete Bilde,Torsten Tritscher,Peter Barmet,Arnaud P. Praplan,Peter F. DeCarlo,Josef Dommen,André S. H. Prévôt,Urs Baltensperger +28 more
TL;DR: The effect of OH aging is isolated, confirming the hypothesis that hydroxyl radical (OH) aging significantly increases the concentration of first-generation biogenic secondary organic aerosol (SOA), and can be described by a mechanism suitable for implementation in models.
Journal ArticleDOI
Radical chemistry at a rural site (Wangdu) in the North China Plain: observation and model calculations of OH, HO 2 and RO 2 radicals
Zhaofeng Tan,Hendrik Fuchs,Keding Lu,Andreas Hofzumahaus,Birger Bohn,Sebastian Broch,Huabin Dong,Sebastian Gomm,Rolf Häseler,Ling-Yan He,Frank Holland,Xin Li,Xin Li,Ying Liu,Sihua Lu,Franz Rohrer,Min Shao,Baolin Wang,Ming Wang,Yusheng Wu,Limin Zeng,Yinsong Zhang,Andreas Wahner,Yuanhang Zhang,Yuanhang Zhang +24 more
TL;DR: In this article, a comprehensive field campaign was carried out in summer 2014 in Wangdu, located in the North China Plain, where a month of continuous OH, HO2 and RO2 measurements was achieved.
Journal ArticleDOI
Characterisation of the photolytic HONO-source in the atmosphere simulation chamber SAPHIR
TL;DR: In this paper, a photolytic HONO source at the surface of the SAPHIR chamber is proposed which is strongly dependent on humidity, on light intensity, and on temperature.
Journal ArticleDOI
Observation and modelling of OH and HO 2 concentrations in the Pearl River Delta 2006: a missing OH source in a VOC rich atmosphere
Keding Lu,Keding Lu,Franz Rohrer,Frank Holland,Hendrik Fuchs,Birger Bohn,Theo Brauers,Chih-Chung Chang,Rolf Häseler,Min Hu,Kazuyuki Kita,Yoshiko Kondo,X. Li,X. Li,S. Lou,S. Lou,Sascha Nehr,Min Shao,Liwu Zeng,Andreas Wahner,Y. H. Zhang,Andreas Hofzumahaus +21 more
TL;DR: In this paper, the observed OH exhibited a weak dependence on NOx in contrast to model predictions, reaching a factor of 8 at 0.02 ppb NO, while modelled and measured OH agree well at NO mixing ratios above 1 ppb.