U
Ulrich Platt
Researcher at Heidelberg University
Publications - 330
Citations - 21200
Ulrich Platt is an academic researcher from Heidelberg University. The author has contributed to research in topics: Differential optical absorption spectroscopy & Trace gas. The author has an hindex of 77, co-authored 323 publications receiving 19784 citations. Previous affiliations of Ulrich Platt include University of California, San Diego & Max Planck Society.
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Peroxy radicals from night-time reaction of NO3 with organic compounds
TL;DR: In this paper, it was shown that tropospheric high night-time concentrations of peroxy radicals may occur under certain atmospheric conditions, for instance in coastal areas or forests and in air masses affected by urban emission or biomass burning.
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DOAS Measurements of Tropospheric Bromine Oxide in Mid-Latitudes
K. Hebestreit,Jochen Stutz,David Rosen,Valery Matveiv,Mordechai Peleg,Menachem Luria,Ulrich Platt +6 more
TL;DR: Using the use of differential optical absorption spectroscopy (DOAS), locally high BrO concentrations were observed at mid-latitudes at the Dead Sea, Israel, during spring 1997 and were correlated with low boundary-layer ozone mixing ratios.
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The diurnal variation of NO3
TL;DR: In this article, the same authors used stochastic analysis of the NO3 formation, the early morning photolysis of NO3, and stoichiometric considerations allowed three independent estimates of the equilibrium constant Keq = [NO3] · [NO2]/[N2O5], from those observations an average Keq of (2.0±l) × 1010 cm−3 was derived.
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Halogen oxides: Radicals, sources and reservoirs in the laboratory and in the atmosphere
Richard P. Wayne,G. Poulet,P. Biggs,John P. Burrows,R. A. Cox,Paul J. Crutzen,Garry Hayman,Michael E. Jenkin,G. Le Bras,Geert K. Moortgat,Ulrich Platt,Ralph N. Schindler +11 more
TL;DR: In this article, a review of the relationship between the laboratory investigations and the atmospheric studies is presented, focusing on gas-phase processes of halogen oxides and their precursors in the laboratory and the atmosphere.
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Reactive halogen chemistry in volcanic plumes
Nicole Bobrowski,R. von Glasow,Alessandro Aiuppa,Salvatore Inguaggiato,Ilia Louban,O. W. Ibrahim,Ulrich Platt +6 more
TL;DR: In this article, the authors measured the BMo and SO2 abundances as a function of the distance from the source by using ground-based scattered light Multiaxis Differential Optical Absorption Spectroscopy (MAX-DOAS) in the volcanic plumes of Mt. Etna.