Search Results

• • 14 

    Academic Journals

  • Sort by: sorttype.publication.date.desc Newest sorttype.publication.date.asc Oldest sorttype.relevance Relevance

• Mobile and high-spectral-resolution Fabry-Pérot interferometer spectrographs for atmospheric remote sensing.

  Authors:Jonas Kuhn, Nicole Bobrowski, Thomas Wagner, and Ulrich PlattFrom:Atmospheric Measurement Techniques (Vol. 14, Issue 12) Peer-Reviewed

  Dec. 17, 2021461 words Article Grating spectrographs (GS) are presently widely in use for atmospheric trace gas remote sensing in the ultraviolet (UV) and visible spectral range (e.g. differential optical absorption spectroscopy, DOAS). For typical...

• Bromine speciation in volcanic plumes: new in situ derivatization LC-MS method for the determination of gaseous hydrogen bromide by gas diffusion denuder sampling.

  Authors:Alexandra Gutmann, Nicole Bobrowski, Marcello Liotta, and Thorsten HoffmannFrom:Atmospheric Measurement Techniques (Vol. 14, Issue 10) Peer-Reviewed

  Oct. 5, 2021341 words Brief article The chemical characterization of volcanic gas emissions gives insights into the interior of volcanoes. Bromine species have been correlated with changes in the activity of a volcano. In order to exploit the volcanic...

• Tomographic multiaxis-differential optical absorption spectroscopy observations of Sun-illuminated targets: a technique providing well-defined absorption paths in the boundary layer

  Authors:Erna Frins, Nicole Bobrowski, Ulrich Platt, and Thomas WagnerFrom:Applied Optics (Vol. 45, Issue 24) Peer-Reviewed

  Aug. 20, 2006164 words Author abstract 60L

   Abstract Only

• Retrieval of absolute SO.sub.2 column amounts from scattered-light spectra: implications for the evaluation of data from automated DOAS networks

  Authors:Johannes Lampel, Santiago Arellano, Nicole Bobrowski, Florian Dinger, Bo Galle, Silvana Hidalgo, et al.From:Atmospheric Measurement Techniques (Vol. 9, Issue 12) Peer-Reviewed

  Nov. 29, 2016600 words Brief article Scanning spectrometer networks using scattered solar radiation in the ultraviolet spectral region have become an increasingly important tool for monitoring volcanic sulfur dioxide (SO.sub.2) emissions. Often measured...

• Remote sensing of volcanic CO.sub.2, HF, HCl, SO.sub.2, and BrO in the downwind plume of Mt. Etna

  Authors:Andr&#xE9 Butz, Anna Solvejg Dinger, Nicole Bobrowski, Julian Kostinek, Lukas Fieber, Constanze Fischerkeller, et al.From:Atmospheric Measurement Techniques (Vol. 10, Issue 1) Peer-Reviewed

  Jan. 2, 2017376 words Author abstract, Bri... Remote sensing of the gaseous composition of non-eruptive, passively degassing volcanic plumes can be a tool to gain insight into volcano interior processes. Here, we report on a field study in September 2015 that...

• African volcanic emissions influencing atmospheric aerosols over the Amazon rain forest

  Authors:Jorge Saturno, Florian Ditas, Marloes Penning de Vries, Bruna A. Holanda, Mira L. Pohlker, Samara Carbone, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 14) Peer-Reviewed

  July 23, 2018321 words Author abstract, Bri...

  The long-range transport (LRT) of trace gases and aerosol particles plays an important role for the composition of the Amazonian rain forest atmosphere. Sulfate aerosols originate to a substantial extent from LRT...

• Halogen activation in the plume of Masaya volcano: field observations and box model investigations.

  Authors:Julian Rüdiger, Alexandra Gutmann, Nicole Bobrowski, Marcello Liotta, J. Maarten de Moor, Rolf Sander, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 5) Peer-Reviewed

  Mar. 4, 2021460 words Article Volcanic emissions are a source of halogens in the atmosphere. Rapid reactions convert the initially emitted hydrogen halides (HCl, HBr, and HI) into reactive species such as BrO, Br.sub.2, BrCl, ClO, OClO, and IO. The...

• Quantitative imaging of volcanic SO.sub.2 plumes using Fabry-Pérot interferometer correlation spectroscopy.

  Authors:Christopher Fuchs, Jonas Kuhn, Nicole Bobrowski, and Ulrich PlattFrom:Atmospheric Measurement Techniques (Vol. 14, Issue 1) Peer-Reviewed

  Jan. 14, 2021264 words Brief article We present first measurements with a novel imaging technique for atmospheric trace gases in the UV spectral range. Imaging Fabry-Pérot interferometer correlation spectroscopy (IFPICS) employs a Fabry-Pérot interferometer...

• On the link between Earth tides and volcanic degassing

  Authors:Florian Dinger, Stefan Bredemeyer, Santiago Arellano, Nicole Bobrowski, Ulrich Platt, and Thomas WagnerFrom:Solid Earth (Vol. 10, Issue 3) Peer-Reviewed

  May 29, 2019285 words Author abstract, Bri...

  Long-term measurements of volcanic gas emissions conducted during the last decade suggest that under certain conditions the magnitude or chemical composition of volcanic emissions exhibits periodic variations with a...

• SO.sub.2 and BrO emissions of Masaya volcano from 2014 to 2020.

  Authors:Florian Dinger, Timo Kleinbek, Steffen Dörner, Nicole Bobrowski, Ulrich Platt, Thomas Wagner, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 12) Peer-Reviewed

  June 18, 2021484 words Report Masaya (Nicaragua, 12.0.sup." N, 86.2.sup." W; 635 m a.s.l.) is one of the few volcanoes hosting a lava lake, today. This study has two foci: (1) discussing the state of the art of long-term SO.sub.2 emission flux...

• Synoptic analysis of a decade of daily measurements of SO.sub.2 emission in the troposphere from volcanoes of the global ground-based Network for Observation of Volcanic and Atmospheric Change.

  Authors:Santiago Arellano, Bo Galle, Fredy Apaza, Geoffroy Avard, Charlotte Barrington, Nicole Bobrowski, et al.From:Earth System Science Data (Vol. 13, Issue 3) Peer-Reviewed

  Mar. 22, 2021510 words Report Volcanic plumes are common and far-reaching manifestations of volcanic activity during and between eruptions. Observations of the rate of emission and composition of volcanic plumes are essential to recognize and, in...

• Plume propagation direction determination with SO.sub.2 cameras

  Authors:Angelika Klein, Nicole Bobrowski, Jonas Kuhn, and Ulrich PlattFrom:Atmospheric Measurement Techniques (Vol. 10, Issue 3) Peer-Reviewed

  Mar. 10, 2017386 words Brief article SO.sub.2 cameras are becoming an established tool for measuring sulfur dioxide (SO.sub.2) fluxes in volcanic plumes with good precision and high temporal resolution. The primary result of SO.sub.2 camera measurements...

• African volcanic emissions influencing atmospheric aerosols over the Amazon rain forest

  Authors:Jorge Saturno, Florian Ditas, Marloes Penning de Vries, Bruna A. Holanda, Samara Carbone, David Walter, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 14) Peer-Reviewed

  July 23, 2018320 words Brief article, Repor...

  The long-range transport (LRT) of trace gases and aerosol particles plays an important role for the composition of the Amazonian rain forest atmosphere. Sulfate aerosols originate to a substantial extent from LRT...

• A multi-purpose, multi-rotor drone system for long-range and high-altitude volcanic gas plume measurements.

  Authors:Bo Galle, Santiago Arellano, Nicole Bobrowski, Vladimir Conde, Tobias P. Fischer, Gustav Gerdes, et al.From:Atmospheric Measurement Techniques (Vol. 14, Issue 6) Peer-Reviewed

  June 9, 2021411 words Article A multi-rotor drone has been adapted for studies of volcanic gas plumes. This adaptation includes improved capacity for high-altitude and long-range, real-time SO.sub.2 concentration monitoring, long-range manual...