Search Results - "Flühler, Hannes"

The influence of seasonally frozen soil on the snowmelt runoff at two Alpine sites in southern Switzerland by Bayard, Daniel, Stähli, Manfred, Parriaux, Aurèle, Flühler, Hannes

“…In spring, snowmelt releases huge quantities of meltwater, affecting the hydrology of Alpine areas. Seasonal soil frost influences these water fluxes by…”
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Export of Dissolved Organic Carbon and Nitrogen from Gleysol Dominated Catchments: The Significance of Water Flow Paths by Hagedorn, Frank, Schleppi, Patrick, Waldner, Peter, Flühler, Hannes

“…In this study, we estimated whether changes in hydrological pathways during storms could explain the large temporal variations of dissolved organic carbon…”
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Effect of snow structure on water flow and solute transport by Waldner, Peter A., Schneebeli, Martin, Schultze-Zimmermann, Ute, Flühler, Hannes

“…Water flow through a melting snow pack modifies its structure and stability and affects the release of water and nutrients into soils and surface waters. Field…”
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Fluorescence Imaging Applied to Tracer Distributions in Variably Saturated Fractured Clayey Till by Rosenbom, Annette E., Ernstsen, Vibeke, Flühler, Hannes, Jensen, Karsten H., Refsgaard, Jens Christian, Wydler, Hannes

“…The study of mechanisms controlling preferential flow and transport in variably saturated fractured clayey till is often hindered by insufficient spatial…”
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Tracer Characteristics of Brilliant Blue FCF by Flury, Markus, Flühler, Hannes

“…Dyes are widely used to stain the travel paths of water and solutes in soils. Brilliant Blue FCF (C.I. Food Blue 2) is a valuable dye tracer for visualizing…”
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Impact of Preferential Flow on Radionuclide Distribution in Soil by Bundt, Maya, Albrecht, Achim, Froidevaux, Pascal, Blaser, Peter, Flühler, Hannes

“…Migration of radionuclides in soils and their transfer to edible plants are usually estimated using volume-averaged bulk concentrations. However, radionuclides…”
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Identification of Transport Processes in Soil Cores Using Fluorescent Tracers by Vanderborght, Jan, Gähwiller, Paul, Flühler, Hannes

“…To identify soil properties that control transport of adsorbing solutes in natural soil, we carried out leaching experiments in undisturbed soil cores taken…”
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Longitudinal and lateral dispersion in an unsaturated field soil by Forrer, Irène, Kasteel, Roy, Flury, Markus, Flühler, Hannes

“…Lateral and longitudinal dispersion was quantified in a field soil under water‐unsaturated conditions. The relatively mobile dye tracer Brilliant Blue FCF was…”
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Fluorescence Imaging of Tracer Distributions in Soil Profiles by Aeby, Philipp, Schultze, Ute, Braichotte, Daniel, Bundt, Maya, Moser-Boroumand, Farnaz, Wydler, Hannes, Flühler, Hannes

“…To evaluate and parametrize transport models for the vadose (partially water-unsaturated) zone, information about the spatial distributions of solutes is…”
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Dye Tracing and Image Analysis for Quantifying Water Infiltration into Frozen Soils by Stadler, Daniel, Sta¨hli, Manfred, Aeby, Philipp, Flu¨hler, Hannes

“…New methods are needed to quantify infiltration into frozen soil, an important issue for agricultural management in northern latitude regions. A dye tracer…”
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Combined effects of heterogeneity, anisotropy, and saturation on steady state flow and transport: A laboratory sand tank experiment by Ursino, Naida, Gimmi, Thomas, Flühler, Hannes

“…Field soils show rather different spreading behavior at different water saturations, frequently caused by layering of the soil material. We performed tracer…”
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role of rapid flow paths for nitrogen transformation in a forest soil: a field study with micro suction cups by Hagedorn, F, Mohn, J, Schleppi, P, Fluhler, H

“…Preferential flow is a common phenomenon in soils. This study was conducted to investigate the significance of rapid flow paths for N transformation in a…”
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Imaging fluorescent dye concentrations on soil surfaces: Uncertainty of concentration estimates by VANDERBORGHT, Jan, GÄHWILLER, Paul, WYDLER, Hannes, SCHULTZE, Ute, FLÜHLER, Hannes

“…To investigate transport processes in soils, detailed information about the spatial distribution of solutes is required. We describe a method to obtain…”
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Retention and leaching of elevated N deposition in a forest ecosystem with gleysols by HAGEDORN, Frank, SCHLEPPI, Patrick, BUCHER, Jürg, FLÜHLER, Hannes

“…The responses of nitrogen transformations and nitrate (NO^sub _3^^sup -^) leaching to experimentally increased N deposition were studied in forested…”
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Upscaling of anisotropy in unsaturated Miller-similar porous media by Ursino, Nadia, Roth, Kurt, Gimmi, Thomas, Flühler, Hannes

“…Geological and pedological processes rarely form isotropic media as is usually assumed in transport studies. Anisotropy at the Darcy or field scale may be…”
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Incorporating soil structure and root distribution into plant uptake models for radionuclides: toward a more physically based transfer model by Albrecht, Achim, Schultze, Ute, Liedgens, Markus, Flühler, Hannes, Frossard, Emmanuel

“…Most biosphere and contamination assessment models are based on uniform soil conditions, since single coefficients are used to describe the transfer of…”
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Inferring flow types from dye patterns in macroporous soils by Weiler, Markus, Flühler, Hannes

“…In this study, we exploit dye patterns to identify flow types in macroporous soils as a step forward from using dye patterns simply as qualitative pictures…”
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Imaging Fluorescent Dye Concentrations on Soil Surfaces by Vanderborght, Jan, Gähwiller, Paul, Wydler, Hannes, Schultze, Ute, Flühler, Hannes

“…To investigate transport processes in soils, detailed information about the spatial distribution of solutes is required. We describe a method to obtain…”
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MEASUREMENT OF FROST-INDUCED SNOWMELT RUNOFF IN A FOREST SOIL by STADLER, DANIEL, WUNDERLI, HANS, AUCKENTHALER, ADRIAN, FLÜHLER, HANNES, BRÜNDL, MICHAEL

“…Snow interception in a coniferous stand leads to considerable short‐range variability in snowcover depth, which in turn affects the water and heat regime of…”
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Routing of canopy drip in the snowpack below a spruce crown by Bründl, Michael, Schneebeli, Martin, Flühler, Hannes

“…Snow that is retained by a forest canopy may either sublimate or evaporate directly from the crown or drop as snow clumps or meltwater to the ground…”
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