Search Results - "Volksch, I"

L-Band Radiative Properties of Vine Vegetation at the MELBEX III SMOS Cal/Val Site by Schwank, M., Wigneron, Jean-Pierre, Lopez-Baeza, E., Volksch, I., Matzler, C., Kerr, Y. H.

“…Radiative properties at 1.4 GHz of vine vegetation are investigated by measuring brightness temperatures with the ETH L-band Radiometer II (ELBARA II) operated…”
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Synergies for Soil Moisture Retrieval Across Scales From Airborne Polarimetric SAR, Cosmic Ray Neutron Roving, and an In Situ Sensor Network by Fersch, B., Jagdhuber, T., Schrön, M., Völksch, I., Jäger, M.

“…The consistent determination of soil moisture across scales is a persistent challenge in hydrology. Several measurement methods exist at distinct scales, each…”
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The TERENO Pre‐Alpine Observatory: Integrating Meteorological, Hydrological, and Biogeochemical Measurements and Modeling by Kiese, R., Fersch, B., Baessler, C., Brosy, C., Butterbach-Bahl, K., Chwala, C., Dannenmann, M., Fu, J., Gasche, R., Grote, R., Jahn, C., Klatt, J., Kunstmann, H., Mauder, M., Rödiger, T., Smiatek, G., Soltani, M., Steinbrecher, R., Völksch, I., Werhahn, J., Wolf, B., Zeeman, M., Schmid, H.P.

“…Core Ideas Pre‐alpine areas face more intense warming and extreme hydrological events than the global average. Climate and land management change have…”
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Monitoring mountain permafrost evolution using electrical resistivity tomography: A 7-year study of seasonal, annual, and long-term variations at Schilthorn, Swiss Alps by Hilbich, C., Hauck, C., Hoelzle, M., Scherler, M., Schudel, L., Völksch, I., Vonder Mühll, D., Mäusbacher, R.

“…A combined geophysical and thermal monitoring approach for improved observation of mountain permafrost degradation is presented. Time‐lapse inversion of…”
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Three years of L-band brightness temperature measurements in a mountainous area: Topography, vegetation and snowmelt issues by Pellarin, T., Mialon, A., Biron, R., Coulaud, C., Gibon, F., Kerr, Y., Lafaysse, M., Mercier, B., Morin, S., Redor, I., Schwank, M., Völksch, I.

“…L-band passive measurements (1.4GHz) over continental areas are known to be related to surface soil moisture. Two satellite missions were recently launched to…”
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THE SCALEX CAMPAIGN: Scale-Crossing Land Surface and Boundary Layer Processes in the TERENO-preAlpine Observatory by Wolf, B., Chwala, C., Fersch, B., Garvelmann, J., Junkermann, W., Zeeman, M. J., Angerer, A., Adler, B., Beck, C., Brosy, C., Brugger, P., Emeis, S., Dannenmann, M., De Roo, F., Diaz-Pines, E., Haas, E., Hagen, M., Hajnsek, I., Jacobeit, J., Jagdhuber, T., Kalthoff, N., Kiese, R., Kunstmann, H., Kosak, O., Krieg, R., Malchow, C., Mauder, M., Merz, R., Notarnicola, C., Philipp, A., Reif, W., Reineke, S., Rödiger, T., Ruehr, N., Schäfer, K., Schrön, M., Senatore, A., Shupe, H., Völksch, I., Wanninger, C., Zacharias, S., Schmid, H. P.

“…ScaleX is a collaborative measurement campaign, collocated with a long-term environmental observatory of the German Terrestrial Environmental Observatories…”
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Comparison of Two Bare-Soil Reflectivity Models and Validation With L-Band Radiometer Measurements by Schwank, M., Volksch, I., Wigneron, J.-P., Kerr, Y.H., Mialon, A., de Rosnay, P., Matzler, C.

“…The emission of bare soils at microwave L-band (1-2 GHz) frequencies is known to be correlated with surface soil moisture. Roughness plays an important role in…”
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L-Band Reflectivity of a Furrowed Soil Surface by Volksch, I, Schwank, M, Matzler, C

“…In a combined experimental and model study, we investigated the thermal L-band signatures of a sandy soil with periodic topography (furrows) with dimensions…”
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The ScaleX campaign: scale-crossing land surface and boundary layer processes in the TERENO-preAlpine observatory: augmenting long-term ecosystem-atmosphere observations with multidisciplinary intensive campaigns aims to close gaps in spatial and temporal scales of observation for energy and biogeochemical cycling and stimulate collaborative research by Wolf, B, Chwala, C, Fersch, B, Garvelmann, J, Junkermann, W, Zeeman, M.J, Angerer, A, Adler, B, Beck, C, Brosy, C, Brugger, P, Emeis, S, Dannenmann, M, De Roo, F, Diaz-Pines, E, Haas, E, Hagen, M, Hajnsek, I, Jacobeit, J, Jagdhuber, T, Kalthoff, N, Kiese, R, Kunstmann, H, Kosak, O, Krieg, R, Malchow, C, Mauder, M, Merz, R, Notarnicola, C, Philipp, A, Reif, W, Reineke, S, Rodiger, T, Ruehr, N, Schafer, K, Schron, M, Senatore, A, Shupe, H, Volksch, I, Wanninger, C, Zacharias, S, Schmid, H.P

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High-resolution fully coupled atmospheric–hydrological modeling: a cross-compartment regional water and energy cycle evaluation by Fersch, Benjamin, Senatore, Alfonso, Adler, Bianca, Arnault, Joël, Mauder, Matthias, Schneider, Katrin, Völksch, Ingo, Kunstmann, Harald

“…The land surface and the atmospheric boundary layer are closely intertwined with respect to the exchange of water, trace gases, and energy. Nonlinear feedback…”
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Meltwater infiltration into the frozen active layer at an alpine permafrost site by Scherler, Martin, Hauck, Christian, Hoelzle, Martin, Stähli, Manfred, Völksch, Ingo

“…A coupled heat and mass transfer model simulating mass and energy balance of the soil‐snow‐atmosphere boundary layer was applied to simulate ground…”
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A dense network of cosmic-ray neutron sensors for soil moisture observation in a highly instrumented pre-Alpine headwater catchment in Germany by Fersch, Benjamin, Francke, Till, Heistermann, Maik, Schrön, Martin, Döpper, Veronika, Jakobi, Jannis, Baroni, Gabriele, Blume, Theresa, Bogena, Heye, Budach, Christian, Gränzig, Tobias, Förster, Michael, Güntner, Andreas, Hendricks Franssen, Harrie-Jan, Kasner, Mandy, Köhli, Markus, Kleinschmit, Birgit, Kunstmann, Harald, Patil, Amol, Rasche, Daniel, Scheiffele, Lena, Schmidt, Ulrich, Szulc-Seyfried, Sandra, Weimar, Jannis, Zacharias, Steffen, Zreda, Marek, Heber, Bernd, Kiese, Ralf, Mares, Vladimir, Mollenhauer, Hannes, Völksch, Ingo, Oswald, Sascha

“…Monitoring soil moisture is still a challenge: it varies strongly in space and time and at various scales while conventional sensors typically suffer from…”
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L-Band Reflectivity of a Wire Grid Above a Dielectric Surface by Völksch, I, Schwank, M, Mätzler, C

“…We investigated the influence of a wire grid above a paved ground on thermal brightness at 1.4 GHz. Reflectivities were derived from dual-polarized brightness…”
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ALPINE3D: a detailed model of mountain surface processes and its application to snow hydrology by Lehning, Michael, Völksch, Ingo, Gustafsson, David, Nguyen, Tuan Anh, Stähli, Manfred, Zappa, Massimiliano

“…Current models of snow cover distribution, soil moisture, surface runoff and river discharge typically have very simple parameterizations of surface processes,…”
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