Search Results - "Papritz, A."

Estimating soil organic carbon stocks of Swiss forest soils by robust external-drift kriging by Nussbaum, M, Papritz, A, Baltensweiler, A, Walthert, L

“…Accurate estimates of soil organic carbon (SOC) stocks are required to quantify carbon sources and sinks caused by land use change at national scale. This…”
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Analysing the space–time distribution of soil water storage of a forest ecosystem using spatio-temporal kriging by Jost, G., Heuvelink, G.B.M., Papritz, A.

“…In forest the soil water balance is strongly influenced by tree species composition. For example, differences in transpiration rate lead to differences in soil…”
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Quantifying dye tracers in soil profiles by image processing by Forrer, I., Papritz, A., Kasteel, R., Flühler, H., Luca, D.

“…Summary Developing and testing models for solute transport in the field requires experimental data on the spreading of solutes in the soil. Obtaining such data…”
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Fitting a linear model of coregionalization for soil properties using simulated annealing by Lark, R.M, Papritz, A

“…It is not simple to model cross and auto-variograms to describe the covariation of two or more soil properties, since the models that are fitted must meet…”
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Modelling the risk of Pb and PAH intervention value exceedance in allotment soils by robust logistic regression by Papritz, A., Reichard, P.U.

“…Soils of allotments are often contaminated by heavy metals and persistent organic pollutants. In particular, lead (Pb) and polycyclic aromatic hydrocarbons…”
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Diffusional and microbial isotope fractionation of methane during gas push–pull tests by Gonzalez-Gil, G., Schroth, M.H., Gómez, K., Papritz, A., Zeyer, J.

“…A field method called gas push–pull test (GPPT) was previously developed for in-situ quantification of methane (CH 4) oxidation by soil microorganisms. We…”
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A tracer experiment to study flow paths of water in a forest soil by Feyen, H., Wunderli, H., Wydler, H., Papritz, A.

“…This contribution discusses a tracer experiment, which was performed to study the flow paths of water in a macroporous forest soil. The experiment was…”
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A fractal approach to model soil structure and to calculate thermal conductivity of soils by LEHMANN, P, STÄHLI, M, PAPRITZ, A, GYGI, A, FLÜHLER, H

“…Heat transport in soils depends on the spatial arrangement of solids, ice, air and water. In this study, we present a modified fractal approach to model the…”
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Standardized vs. customary ordinary cokriging: Some comments on the article “The geostatistical analysis of experiments at the landscape-scale” by T.F.A. Bishop and R.M. Lark by Papritz, A.

“…In this comment on a recent article by Bishop and Lark, I show that standardized ordinary cokriging (Goovaerts, 1997, p. 232) is an inferior variant of…”
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Evaluation of digital soil mapping approaches with large sets of environmental covariates by Nussbaum, Madlene, Spiess, Kay, Baltensweiler, Andri, Grob, Urs, Keller, Armin, Greiner, Lucie, Schaepman, Michael E., Papritz, Andreas

“…The spatial assessment of soil functions requires maps of basic soil properties. Unfortunately, these are either missing for many regions or are not available…”
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Rejoinder to the reply to “Standardized vs. customary ordinary cokriging …” by T. F. A. Bishop and R. M. Lark by Papritz, A.

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Generalized cross-covariances and their estimation by Künsch, H R, Papritz, A, Bassi, F

“…Generalized cross-covariances describe the linear relationships between spatial variables observed at different locations. They are invariant under translation…”
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Uncertainty indication in soil function maps – transparent and easy-to-use information to support sustainable use of soil resources by Greiner, Lucie, Nussbaum, Madlene, Papritz, Andreas, Zimmermann, Stephan, Gubler, Andreas, Grêt-Regamey, Adrienne, Keller, Armin

“…Spatial information on soil function fulfillment (SFF) is increasingly being used to inform decision-making in spatial planning programs to support sustainable…”
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Mapping of soil properties at high resolution in Switzerland using boosted geoadditive models by Nussbaum, Madlene, Lorenz Walthert, Fraefel, Marielle, Greiner, Lucie, Papritz, Andreas

“…High-resolution maps of soil properties are a prerequisite for assessing soil threats and soil functions and for fostering the sustainable use of soil…”
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Uncertainty of variance component estimates in nested sampling: a case study on the field-scale spatial variability of a restored soil by Papritz, A., Dümig, A., Zimmermann, C., Gerke, H. H., Felderer, B., Kögel-Knabner, I., Schaaf, W., Schulin, R.

“…We studied the variation of soil properties on a 6‐ha artificial catchment constructed near Cottbus, Germany, to investigate processes of initial ecosystem…”
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Uncertainty of variance component estimates in nested sampling: a case study on the field-scale spatial variability of a restored soil: Pedometrics by PAPRITZ, A, DÜMIG, A, ZIMMERMANN, C, GERKE, H. H, FELDERER, B, KÖGEL - KNABNER, I, SCHAAF, W, SCHULIN, R

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An Empirical Comparison of Kriging Methods for Nonlinear Spatial Point Prediction by Moyeed, Rana A, Papritz, Andreas

“…Spatial prediction is a problem common to many disciplines. A simple application is the mapping of an attribute recorded at a set of points. Frequently a…”
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Nitrogen budgets of two small experimental forested catchments at Alptal, Switzerland by Schleppi, Patrick, Muller, Nathalie, Feyen, Hans, Papritz, Andreas, Bucher, Jürg B., Flühler, Hannes

“…Two small experimental headwater catchments (approx. 1500 m 2) were set up in an alpine spruce forest in the Alptal valley (central Switzerland). They are…”
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Nitrogen budgets of two small experimental forested catchments at Alptal, Switzerland: The whole ecosystem experiments of the NITREX and EXMAN projects by SCHLEPPI, P, MULLER, N, FEYEN, H, PAPRITZ, A, BUCHER, J. B, FLÜHLER, H

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Runoff processes in catchments with a small scale topography by Feyen, H., Leuenberger, J., Papritz, A., Gysi, M., Flühler, H., Schleppi, P.

“…How do runoff processes influence nitrogen export from forested catchments? To support nitrogen balance studies for three experimental catchments (1500m 2) in…”
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