Search Results - "Blees, Jan"

Micro-aerobic bacterial methane oxidation in the chemocline and anoxic water column of deep south-Alpine Lake Lugano (Switzerland) by Blees, Jan, Niemann, Helge, Wenk, Christine B., Zopfi, Jakob, Schubert, Carsten J., Kirf, Mathias K., Veronesi, Mauro L., Hitz, Carmen, Lehmann, Moritz F.

“…We measured seasonal variations in the vertical distribution of methane concentration, methane oxidation rates, and lipid biomarkers in the northern basin of…”
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Anaerobic ammonium oxidation (anammox) bacteria and sulfide-dependent denitrifiers coexist in the water column of a meromictic south-alpine lake by Wenk, Christine B., Blees, Jan, Zopfi, Jakob, Veronesi, Mauro, Bourbonnais, Annie, Schubert, Carsten J., Niemann, Helge, Lehmann, Moritz F.

“…In addition to organotrophic denitrification, alternative pathways, such as anaerobic ammonium oxidation (anammox) or sulfide-dependent denitrification may be…”
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Community N and O isotope fractionation by sulfide-dependent denitrification and anammox in a stratified lacustrine water column by Wenk, Christine B., Zopfi, Jakob, Blees, Jan, Veronesi, Mauro, Niemann, Helge, Lehmann, Moritz F.

“…We investigated the community nitrogen (N) and oxygen (O) isotope effects of fixed N loss in the northern basin of Lake Lugano, where sulfide-dependent…”
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Fossil and non-fossil source contributions to atmospheric carbonaceous aerosols during extreme spring grassland fires in Eastern Europe by Ulevicius, Vidmantas, Byčenkienė, SteigvilÄ, Bozzetti, Carlo, Vlachou, Athanasia, PlauÅ¡kaitė, Kristina, Mordas, Genrik, Dudoitis, Vadimas, Abbaszade, Gülcin, Remeikis, Vidmantas, Garbaras, Andrius, Masalaite, Agne, Blees, Jan, Fröhlich, Roman, Dällenbach, Kaspar R, Canonaco, Francesco, Slowik, Jay G, Dommen, Josef, Zimmermann, Ralf, Schnelle-Kreis, Jürgen, Salazar, Gary A, Agrios, Konstantinos, Szidat, Sönke, El Haddad, Imad, Prévôt, André S. H

“…In early spring the Baltic region is frequently affected by high-pollution events due to biomass burning in that area. Here we present a comprehensive study to…”
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Spatial variations in surface water methane super-saturation and emission in Lake Lugano, southern Switzerland by Blees, Jan, Niemann, Helge, Erne, Markus, Zopfi, Jakob, Schubert, Carsten J., Lehmann, Moritz F.

“…We measured methane concentrations in the surface water of the northern basin of Lake Lugano in spring (May 2012) and autumn (October 2011, 2012), and…”
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Bacterial methanotrophs drive the formation of a seasonal anoxic benthic nepheloid layer in an alpine lake by Blees, Jan, Niemann, Helge, Wenk, Christine B., Zopfi, Jakob, Schubert, Carsten J., Jenzer, Joël S., Veronesi, Mauro, Lehmann, Moritz F.

“…We investigated the formation and microbial composition of a seasonal benthic nepheloid layer (BNL) in the eutrophic, monomictic southern basin of Lake Lugano…”
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Field-scale labelling and activity quantification of methane-oxidizing bacteria in a landfill-cover soil by Ruth, Henneberger, Eleonora, Chiri, Jan, Blees, Helge, Niemann, Moritz F., Lehmann, Martin H., Schroth

“…Abstract Aerobic methane-oxidizing bacteria (MOB) play an important role in soils, mitigating emissions of the greenhouse gas methane (CH4) to the atmosphere…”
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Powering up the “biogeochemical engine”: the impact of exceptional ventilation of a deep meromictic lake on the lacustrine redox, nutrient, and methane balances by Lehmann, Moritz F., Simona, Marco, Wyss, Silvia, Blees, Jan, Frame, Caitlin H., Niemann, Helge, Veronesi, Mauro, Zopfi, Jakob

“…The Lake Lugano North Basin has been meromictic for several decades, with anoxic waters below 100m depth. Two consecutive cold winters in 2005 and 2006 induced…”
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Toxic effects of lab-grade butyl rubber stoppers on aerobic methane oxidation by Niemann, Helge, Steinle, Lea, Blees, Jan, Bussmann, Ingeborg, Treude, Tina, Krause, Stefan, Elvert, Marcus, Lehmann, Moritz F.

“…Methods for measuring aerobic methane oxidation (MOx) rates in aquatic environments are often based on the incubation of water samples, during which the…”
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A novel methylation derivatization method for δ18O analysis of individual carbohydrates by gas chromatography/pyrolysis-isotope ratio mass spectrometry by Lehmann, Marco M., Fischer, Maria, Blees, Jan, Zech, Michael, Siegwolf, Rolf T. W., Saurer, Matthias

“…Rationale The oxygen isotope ratio (δ18O) of carbohydrates derived from animals, plants, sediments, and soils provides important information about biochemical…”
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A novel methylation derivatization method for [delta]18O analysis of individual carbohydrates by gas chromatography/pyrolysis-isotope ratio mass spectrometry by Lehmann, Marco M, Fischer, Maria, Blees, Jan, Zech, Michael, Siegwolf, Rolf T W, Saurer, Matthias

“…Rationale The oxygen isotope ratio ([delta]18O) of carbohydrates derived from animals, plants, sediments, and soils provides important information about…”
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A novel methylation derivatization method for δ 18 O analysis of individual carbohydrates by gas chromatography/pyrolysis–isotope ratio mass spectrometry by Lehmann, Marco M., Fischer, Maria, Blees, Jan, Zech, Michael, Siegwolf, Rolf T. W., Saurer, Matthias

“…Rationale The oxygen isotope ratio (δ 18 O) of carbohydrates derived from animals, plants, sediments, and soils provides important information about…”
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A novel methylation derivatization method for delta super(18)O analysis of individual carbohydrates by gas chromatography/pyrolysis-isotope ratio mass spectrometry by Lehmann, Marco M, Fischer, Maria, Blees, Jan, Zech, Michael, Siegwolf, Rolf TW, Saurer, Matthias

“…Rationale The oxygen isotope ratio ( delta super(18)O) of carbohydrates derived from animals, plants, sediments, and soils provides important information about…”
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A novel methylation derivatization method for δ(18)O analysis of individual carbohydrates by gas chromatography/pyrolysis-isotope ratio mass spectrometry by Lehmann, Marco M, Fischer, Maria, Blees, Jan, Zech, Michael, Siegwolf, Rolf T W, Saurer, Matthias

“…The oxygen isotope ratio (δ(18)O) of carbohydrates derived from animals, plants, sediments, and soils provides important information about biochemical and…”
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Oxygen isotope analysis of levoglucosan, a tracer of wood burning, in experimental and ambient aerosol samples by Blees, Jan, Saurer, Matthias, Siegwolf, Rolf T.W., Ulevicius, Vidmantas, Prevôt, André S.H., Dommen, Josef, Lehmann, Marco M.

“…Rationale Levoglucosan is formed from cellulose during biomass burning. It is therefore often used as a specific tracer to quantify the contribution of wood…”
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