Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Theo Brauers"'
Publikováno v:
Atmospheric measurement techniques 15(4), 945-964 (2022). doi:10.5194/amt-15-945-2022
An instrument based on 20 m open-path incoherent broadband cavity-enhanced absorption spectroscopy (IBBCEAS) was established at the Jülich SAPHIR chamber in spring 2011. The setup was optimized for the detection of HONO and NO2 in the near-UV region
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bf7ee72985de62b5f980b281f388f80
https://doi.org/10.5194/amt-15-945-2022
https://doi.org/10.5194/amt-15-945-2022
Publikováno v:
Atmospheric measurement techniques discussions (2021). doi:10.5194/amt-2021-291
An instrument based on 20 m open-path incoherent broadband cavity-enhanced absorption spectroscopy (IBBCEAS) was established at the Jülich SAPHIR chamber in Spring 2011. The setup was optimized for the detection of HONO and NO2 in the near UV region
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99af7d20c0db502a752e2b319429d757
https://amt.copernicus.org/preprints/amt-2021-291/
https://amt.copernicus.org/preprints/amt-2021-291/
Autor:
Martin Kaminski, Hendrik Fuchs, Ismail-Hakki Acir, Birger Bohn, Theo Brauers, Hans-Peter Dorn, Rolf Häseler, Andreas Hofzumahaus, Xin Li, Anna Lutz, Sascha Nehr, Franz Rohrer, Ralf Tillmann, Luc Vereecken, Robert Wegener, Andreas Wahner
Publikováno v:
Atmospheric Chemistry and Physics
Atmospheric chemistry and physics / Discussions, (2016). doi:10.5194/acp-2016-1016
Atmospheric chemistry and physics 17(11), 6631-6650 (2017). doi:10.5194/acp-17-6631-2017
Atmospheric chemistry and physics / Discussions, (2016). doi:10.5194/acp-2016-1016
Atmospheric chemistry and physics 17(11), 6631-6650 (2017). doi:10.5194/acp-17-6631-2017
Besides isoprene, monoterpenes are the non-methane volatile organic compounds (VOCs) with the highest global emission rates. Due to their high reactivity towards OH, monoterpenes can dominate the radical chemistry of the atmosphere in forested areas.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe3905fe90d7cd34fe7f30a8bc4b85b1
Autor:
Min Shao, Tong Zhu, Andreas Oebel, Frank Holland, Chih-Chung Chang, Yuanhang Zhang, Rolf Häseler, Theo Brauers, Andreas Wahner, Min Hu, Shengrong Lou, Andreas Hofzumahaus, Keding Lu, Kazuyuki Kita, Franz Rohrer, Hendrik Fuchs, Yutaka Kondo, Limin Zeng, Birger Bohn, Xin Li
Publikováno v:
Nature Geoscience. 7:559-563
The removal of trace gases from the troposphere is, in most cases, initialized by reactions with hydroxyl radicals. An evaluation of this process (sometimes termed self-cleansing) using existing observations from environments with different atmospher
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::436c3c23ed659ffe10624319590861ea
https://doi.org/10.1038/ngeo2199
https://doi.org/10.1038/ngeo2199
Autor:
X. Li, Andreas Wahner, Min Hu, Keding Lu, Y. H. Zhang, A. Oebel, S. Lou, Hendrik Fuchs, Franz Rohrer, R. Dlugi, Frank Holland, Theo Brauers, Mingfei Shao, Tong Zhu, Andreas Hofzumahaus
Publikováno v:
Atmospheric Chemistry and Physics. 14:4979-4999
Nighttime HOx chemistry was investigated in two ground-based field campaigns (PRIDE-PRD2006 and CAREBEIJING2006) in summer 2006 in China by comparison of measured and modeled concentration data of OH and HO2. The measurement sites were located in a r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::256b1297d4f3098dd7d4904dd49dfd74
https://doi.org/10.5194/acp-14-4979-2014
https://doi.org/10.5194/acp-14-4979-2014
Autor:
Ravi Varma, U. Platt, Stephen M. Ball, H.-P. Dorn, Uwe M. Heitmann, J. Thieser, Albert A. Ruth, A. J. L. Shillings, Andreas Wahner, Theo Brauers, Roderic L. Jones, Denis Pöhler, Dean S. Venables
Publikováno v:
Atmospheric Measurement Techniques, Vol 6, Iss 11, Pp 3115-3130 (2013)
Atmospheric measurement techniques 6(11), 3115-3130 (2013). doi:10.5194/amt-6-3115-2013
Atmospheric measurement techniques 6(11), 3115-3130 (2013). doi:10.5194/amt-6-3115-2013
Broadband optical cavity spectrometers are maturing as a technology for trace-gas detection, but only recently have they been used to retrieve the extinction coefficient of aerosols. Sensitive broadband extinction measurements allow explicit separati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f188fa5eccb1a2043f0806a4904c642
http://www.atmos-meas-tech.net/6/3115/2013/amt-6-3115-2013.pdf
http://www.atmos-meas-tech.net/6/3115/2013/amt-6-3115-2013.pdf
Autor:
J. Meinen, John Crowley, I. Labazan, G. Schuster, Stephen M. Ball, Thomas F. Mentel, William R. Simpson, Denis Pöhler, Astrid Kiendler-Scharr, Andreas Wahner, J. M. Langridge, R. L. Apodaca, Dean S. Venables, J. Thieser, Franz Rohrer, Ralf Tillmann, A. J. L. Shillings, Theo Brauers, E. Schlosser, H.-P. Dorn, Ravi Varma, William P. Dubé, Hendrik Fuchs, Steven S. Brown, Roderic L. Jones, U. Platt, Rolf Häseler, Uwe M. Heitmann, Albert A. Ruth
Publikováno v:
Atmospheric Measurement Techniques. 6:1111-1140
The detection of atmospheric NO3 radicals is still challenging owing to its low mixing ratios (≈ 1 to 300 pptv) in the troposphere. While long-path differential optical absorption spectroscopy (DOAS) has been a well-established NO3 detection approa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a649e571c75bc4c15aa20ec33869424
https://doi.org/10.5194/amt-6-1111-2013
https://doi.org/10.5194/amt-6-1111-2013
Autor:
Xin Li, Andreas Hofzumahaus, Andreas Wahner, Thomas Wagner, Min Shao, Yuanju Li, Theo Brauers, Keding Lu
Publikováno v:
Atmospheric Chemistry and Physics. 13:2133-2151
We performed MAX-DOAS measurements during the PRIDE-PRD2006 campaign in the Pearl River Delta region (PRD), China, for 4 weeks in July 2006 at a site located 60 km north of Guangzhou. The vertical distributions of NO2, HCHO, and CHOCHO were independe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63b8144265c851343e3ff80427cb67e1
https://doi.org/10.5194/acp-13-2133-2013
https://doi.org/10.5194/acp-13-2133-2013
Autor:
Tong Zhu, S. Lou, Kazuyuki Kita, Andreas Hofzumahaus, Andreas Wahner, Hendrik Fuchs, Keding Lu, X. Li, Liwu Zeng, Yoshiko Kondo, Y. H. Zhang, Frank Holland, Min Hu, Franz Rohrer, A. Oebel, Theo Brauers, Rolf Häseler, Mingfei Shao, Birger Bohn
Publikováno v:
Atmospheric Chemistry and Physics. 13:1057-1080
Measurements of ambient OH and HO2 radicals were performed by laser induced fluorescence (LIF) during CAREBeijing2006 (Campaigns of Air Quality Research in Beijing and Surrounding Region 2006) at the suburban site Yufa in the south of Beijing in summ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b656d6d01f406125b4cb6962228d5b5
https://doi.org/10.5194/acp-13-1057-2013
https://doi.org/10.5194/acp-13-1057-2013