Browsing by Author Hoffmann, Thorsten

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identification_and_characteri-20220712204503235.pdf.jpg201213-Jul-2022Identification and characterization of aging products in the glyoxal/ammonium sulfate system : implications for light-absorbing material in atmospheric aerosolsKampf, Christopher Johannes; Jakob, Ronit; Hoffmann, Thorsten
58550.pdf.jpg20187-Nov-2018Implementation of electrochemical, optical and denuder-based sensors and sampling techniques on UAV for volcanic gas measurements : examples from Masaya, Turrialba and Stromboli volcanoesRüdiger, Julian; Tirpitz, Jan-Lukas; Moor, J. Maarten de; Bobrowski, Nicole; Gutmann, Alexandra; Liuzzo, Marco; Ibarra, Martha; Hoffmann, Thorsten
59556.pdf.jpg201918-Feb-2020Lignin oxidation products as a potential proxy for vegetation and environmental changes in speleothems and cave drip water : a first record from the Herbstlabyrinth, central GermanyHeidke, Inken; Scholz, Denis; Hoffmann, Thorsten
heidke_inken-copernicus__li-20211203112720291.pdf.jpg20217-Dec-2021Lignin oxidation products in soil, dripwater and speleothems from four different sites in New ZealandHeidke, Inken; Hartland, Adam; Scholz, Denis; Pearson, Andrew; Hellstrom, John; Breitenbach, Sebastian F. M.; Hoffmann, Thorsten
the_maximum_carbonyl_ratio_mc-20221114102112639.pdf.jpg202114-Nov-2022The maximum carbonyl ratio (MCR) as a new index for the structural classification of secondary organic aerosol componentsZhang, Yun; Wang, Kai; Tong, Haijie; Huang, Ru-Jin; Hoffmann, Thorsten
observing_volcanoes_with_dron-20230222094535492.pdf.jpg202212-Apr-2023Observing volcanoes with drones: studies of volcanic plume chemistry with ultralight sensor systemsKarbach, Niklas; Bobrowski, Nicole; Hoffmann, Thorsten
past_fire_dynamics_inferred_f-20230808144256830.pdf.jpg20238-Aug-2023Past fire dynamics inferred from polycyclic aromatic hydrocarbons and monosaccharide anhydrides in a stalagmite from the archaeological site of Mayapan, MexicoHomann, Julia; Karbach, Niklas; Carolin, Stacy A.; James, Daniel H.; Hodell, David; Breitenbach, Sebastian F. M.; Kwiecien, Ola; Brenner, Mark; Lope, Carlos Peraza; Hoffmann, Thorsten
58551.pdf.jpg20187-Nov-2018Quantification of lignin oxidation products as vegetation biomarkers in speleothems and cave drip waterHeidke, Inken; Scholz, Denis; Hoffmann, Thorsten
varying_chiral_ratio_of_pinic-20230316104031045.pdf.jpg202319-Apr-2023Varying chiral ratio of pinic acid enantiomers above the Amazon rainforestLeppla, Denis; Zannoni, Nora; Kremper, Leslie; Williams, Jonathan; Pöhlker, Christoph; Sá, Marta; Solci, Maria Christina; Hoffmann, Thorsten