Search Results - "Jacobi, H."

A novel role for bioenergy: A flexible, demand-oriented power supply by Szarka, Nora, Scholwin, Frank, Trommler, Marcus, Fabian Jacobi, H., Eichhorn, Marcus, Ortwein, Andreas, Thrän, Daniela

“…Germany has set a target of a minimum of 80% renewable energy in the power sector for the year 2050. Among renewables, a very high share of fluctuating sources…”
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A review of air–ice chemical and physical interactions (AICI): liquids, quasi-liquids, and solids in snow by Bartels-Rausch, T, Jacobi, H.-W, Kahan, T. F, Thomas, J. L, Thomson, E. S, Abbatt, J. P. D, Ammann, M, Blackford, J. R, Bluhm, H, Boxe, C, Domine, F, Frey, M. M, Gladich, I, Guzmán, M. I, Heger, D, Huthwelker, Th, Klán, P, Kuhs, W. F, Kuo, M. H, Maus, S, Moussa, S. G, McNeill, V. F, Newberg, J. T, Pettersson, J. B. C, Roeselová, M, Sodeau, J. R

“…Snow in the environment acts as a host to rich chemistry and provides a matrix for physical exchange of contaminants within the ecosystem. The goal of this…”
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Mono-fermentation of chicken manure: Ammonia inhibition and recirculation of the digestate by Nie, Hong, Jacobi, H. Fabian, Strach, Katrin, Xu, Chunming, Zhou, Hongjun, Liebetrau, Jan

“…•Mono-fermentation of chicken manure was performed for several hundred days.•Controlled recirculation of ammonia stripped fermenter-liquid was…”
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Flexible biogas production for demand-driven energy supply – Feeding strategies and types of substrates by Mauky, Eric, Jacobi, H. Fabian, Liebetrau, Jan, Nelles, Michael

“…•Biogas can be produced highly flexible in CSTR systems with feeding management.•Daily alternation of the methane and acids corresponding to the…”
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Changing Feeding Regimes To Demonstrate Flexible Biogas Production: Effects on Process Performance, Microbial Community Structure, and Methanogenesis Pathways by Mulat, Daniel Girma, Jacobi, H Fabian, Feilberg, Anders, Adamsen, Anders Peter S, Richnow, Hans-Hermann, Nikolausz, Marcell

“…Flexible biogas production that adapts biogas output to energy demand can be regulated by changing feeding regimes. In this study, the effect of changes in…”
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Precipitation and snow cover in the Himalaya: from reanalysis to regional climate simulations by Ménégoz, M, Gallée, H, Jacobi, H. W

“…We applied a Regional Climate Model (RCM) to simulate precipitation and snow cover over the Himalaya, between March 2000 and December 2002. Due to its higher…”
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Comprehensive isotopic composition of atmospheric nitrate in the Atlantic Ocean boundary layer from 65°S to 79°N by Morin, S., Savarino, J., Frey, M. M., Domine, F., Jacobi, H.-W., Kaleschke, L., Martins, J. M. F.

“…The comprehensive isotopic composition of atmospheric nitrate (i.e., the simultaneous measurement of all its stable isotope ratios: 15N/14N, 17O/16O and…”
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Snow physics as relevant to snow photochemistry by Domine, F., Albert, M., Huthwelker, T., Jacobi, H.-W., Kokhanovsky, A. A., Lehning, M., Picard, G., Simpson, W. R.

“…Snow on the ground is a complex multiphase photochemical reactor that dramatically modifies the chemical composition of the overlying atmosphere. A…”
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Black carbon in snow in the upper Himalayan Khumbu Valley, Nepal: observations and modeling of the impact on snow albedo, melting, and radiative forcing by Jacobi, H.-W, Lim, S, Ménégoz, M, Ginot, P, Laj, P, Bonasoni, P, Stocchi, P, Marinoni, A, Arnaud, Y

“…Black carbon (BC) in snow in the Himalayas has recently attracted considerable interest due to its impact on snow albedo, snow and glacier melting, regional…”
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Antarctic winter mercury and ozone depletion events over sea ice by Nerentorp Mastromonaco, M., Gårdfeldt, K., Jourdain, B., Abrahamsson, K., Granfors, A., Ahnoff, M., Dommergue, A., Méjean, G., Jacobi, H.-W.

“…During atmospheric mercury and ozone depletion events in the springtime in polar regions gaseous elemental mercury and ozone undergo rapid declines. Mercury is…”
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Halogens and their role in polar boundary-layer ozone depletion by Simpson, W. R., von Glasow, R., Riedel, K., Anderson, P., Ariya, P., Bottenheim, J., Burrows, J., Carpenter, L. J., Frieß, U., Goodsite, M. E., Heard, D., Hutterli, M., Jacobi, H.-W., Kaleschke, L., Neff, B., Plane, J., Platt, U., Richter, A., Roscoe, H., Sander, R., Shepson, P., Sodeau, J., Steffen, A., Wagner, T., Wolff, E.

“…During springtime in the polar regions, unique photochemistry converts inert halide salt ions (e.g. Br−) into reactive halogen species (e.g. Br atoms and BrO)…”
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Frost flowers on sea ice as a source of sea salt and their influence on tropospheric halogen chemistry by Kaleschke, L., Richter, A., Burrows, J., Afe, O., Heygster, G., Notholt, J., Rankin, A. M., Roscoe, H. K., Hollwedel, J., Wagner, T., Jacobi, H.-W.

“…Frost flowers grow on newly‐formed sea ice from a saturated water vapour layer. They provide a large effective surface area and a reservoir of sea salt ions in…”
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Circumpolar measurements of speciated mercury, ozone and carbon monoxide in the boundary layer of the Arctic Ocean by Sommar, J., Andersson, M. E., Jacobi, H.-W.

“…Using the Swedish icebreaker Oden as a platform, continuous measurements of airborne mercury (gaseous elemental mercury (Hg0), divalent gaseous mercury species…”
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Snow cover sensitivity to black carbon deposition in the Himalayas: from atmospheric and ice core measurements to regional climate simulations by Ménégoz, M, Krinner, G, Balkanski, Y, Boucher, O, Cozic, A, Lim, S, Ginot, P, Laj, P, Gallée, H, Wagnon, P, Marinoni, A, Jacobi, H. W

“…We applied a climate-chemistry global model to evaluate the impact of black carbon (BC) deposition on the Himalayan snow cover from 1998 to 2008. Using a…”
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Measurements and modeling of the vertical profile of specific surface area of an alpine snowpack by Morin, S., Domine, F., Dufour, A., Lejeune, Y., Lesaffre, B., Willemet, J.-M., Carmagnola, C.M., Jacobi, H.-W.

“…► Season-long weekly snow specific surface area and density profiles from alpine site. ► Quantitative comparisons with outputs of the detailed snowpack model…”
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An overview of snow photochemistry: evidence, mechanisms and impacts by Grannas, A. M., Jones, A. E., Dibb, J., Ammann, M., Anastasio, C., Beine, H. J., Bergin, M., Bottenheim, J., Boxe, C. S., Carver, G., Chen, G., Crawford, J. H., Dominé, F., Frey, M. M., Guzmán, M. I., Heard, D. E., Helmig, D., Hoffmann, M. R., Honrath, R. E., Huey, L. G., Hutterli, M., Jacobi, H. W., Klán, P., Lefer, B., McConnell, J., Plane, J., Sander, R., Savarino, J., Shepson, P. B., Simpson, W. R., Sodeau, J. R., von Glasow, R., Weller, R., Wolff, E. W., Zhu, T.

“…It has been shown that sunlit snow and ice plays an important role in processing atmospheric species. Photochemical production of a variety of chemicals has…”
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Use of near infrared spectroscopy in monitoring of volatile fatty acids in anaerobic digestion by Jacobi, H Fabian, Moschner, Christian R, Hartung, Eberhard

“…Recently biogas production from agricultural sources has rapidly developed. Therefore the demands on biogas plants to optimise the efficiency of the anaerobic…”
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NIRS-aided monitoring and prediction of biogas yields from maize silage at a full-scale biogas plant applying lumped kinetics by Jacobi, H. Fabian, Ohl, Susanne, Thiessen, Eiko, Hartung, Eberhard

“…► Biogas potential of maize silage was monitored using near infrared spectroscopy. ► Potentials were used together with feeding data to predict the biogas…”
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An isotopic view on the connection between photolytic emissions of NOx from the Arctic snowpack and its oxidation by reactive halogens by Morin, S., Erbland, J., Savarino, J., Domine, F., Bock, J., Friess, U., Jacobi, H.-W., Sihler, H., Martins, J. M. F.

“…We report on dual isotopic analyses (δ15N and Δ17O) of atmospheric nitrate at daily time‐resolution during the OASIS intensive field campaign at Barrow,…”
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Inventory of Non-Ataxia Signs (INAS): Validation of a New Clinical Assessment Instrument by Jacobi, H., Rakowicz, M., Rola, R., Fancellu, R., Mariotti, C., Charles, P., Dürr, A., Küper, M., Timmann, D., Linnemann, C., Schöls, L., Kaut, O., Schaub, C., Filla, A., Baliko, L., Melegh, B., Kang, J.-S., Giunti, P., van de Warrenburg, B. P. C., Fimmers, R., Klockgether, T.

“…Although ataxia is by definition the prominent symptom of ataxia disorders, there are various neurological signs that may accompany ataxia in affected…”
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