Search Results - "Portmann, T."

MIRCA2000—Global monthly irrigated and rainfed crop areas around the year 2000: A new high-resolution data set for agricultural and hydrological modeling by Portmann, Felix T, Siebert, Stefan, Döll, Petra

“…To support global-scale assessments that are sensitive to agricultural land use, we developed the global data set of monthly irrigated and rainfed crop areas…”
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Sensitivity of simulated global-scale freshwater fluxes and storages to input data, hydrological model structure, human water use and calibration by Müller Schmied, H, Eisner, S, Franz, D, Wattenbach, M, Portmann, F. T, Flörke, M, Döll, P

“…Global-scale assessments of freshwater fluxes and storages by hydrological models under historic climate conditions are subject to a variety of uncertainties…”
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Multimodel assessment of water scarcity under climate change by Schewe, Jacob, Heinke, Jens, Gerten, Dieter, Haddeland, Ingjerd, Arnell, Nigel W., Clark, Douglas B., Dankers, Rutger, Eisner, Stephanie, Fekete, Balázs M., Colón-González, Felipe J., Gosling, Simon N., Kim, Hyungjun, Liu, Xingcai, Masaki, Yoshimitsu, Portmann, Felix T., Satoh, Yusuke, Stacke, Tobias, Tang, Qiuhong, Wada, Yoshihide, Wisser, Dominik, Albrecht, Torsten, Frieler, Katja, Piontek, Franziska, Warszawski, Lila, Kabat, Pavel

“…Water scarcity severely impairs food security and economic prosperity in many countries today. Expected future population changes will, in many countries as…”
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Multimodel projections and uncertainties of irrigation water demand under climate change by Wada, Yoshihide, Wisser, Dominik, Eisner, Stephanie, Flörke, Martina, Gerten, Dieter, Haddeland, Ingjerd, Hanasaki, Naota, Masaki, Yoshimitsu, Portmann, Felix T., Stacke, Tobias, Tessler, Zachary, Schewe, Jacob

“…Crop irrigation is responsible for 70% of humanity's water demand. Since the late 1990s, the expansion of irrigated areas has been tapering off, and this trend…”
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Groundwater use for irrigation – a global inventory by Siebert, S., Burke, J., Faures, J. M., Frenken, K., Hoogeveen, J., Döll, P., Portmann, F. T.

“…Irrigation is the most important water use sector accounting for about 70% of the global freshwater withdrawals and 90% of consumptive water uses. While the…”
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Cross - Scale Intercomparison of Climate Change Impacts Simulated by Regional and Global Hydrological Models in Eleven Large River Basins by Hattermann, F. F., Krysanova, V., Gosling, S. N., Dankers, R., Daggupati, P., Donnelly, C., Florke, M., Huang, S., Motovilov, Y., Buda, S., Wada, Y.

“…Ideally, the results from models operating at different scales should agree in trend direction and magnitude of impacts under climate change. However, this…”
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Human impact parameterizations in global hydrological models improve estimates of monthly discharges and hydrological extremes: a multi-model validation study by Veldkamp, T I E, Zhao, F, Ward, P J, de Moel, H, Aerts, J C J H, Schmied, H Müller, Portmann, F T, Masaki, Y, Pokhrel, Y, Liu, X, Satoh, Y, Gerten, D, Gosling, S N, Zaherpour, J, Wada, Y

“…Human activity has a profound influence on river discharges, hydrological extremes and water-related hazards. In this study, we compare the results of five…”
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Global Patterns of Cropland Use Intensity by Siebert, Stefan, Portmann, Felix T., Döll, Petra

“…This study presents a global scale analysis of cropping intensity, crop duration and fallow land extent computed by using the global dataset on monthly…”
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The critical role of the routing scheme in simulating peak river discharge in global hydrological models by Zhao, Fang, Veldkamp, Ted I E, Frieler, Katja, Schewe, Jacob, Ostberg, Sebastian, Willner, Sven, Schauberger, Bernhard, Gosling, Simon N, Schmied, Hannes Müller, Portmann, Felix T, Leng, Guoyong, Huang, Maoyi, Liu, Xingcai, Tang, Qiuhong, Hanasaki, Naota, Biemans, Hester, Gerten, Dieter, Satoh, Yusuke, Pokhrel, Yadu, Stacke, Tobias, Ciais, Philippe, Chang, Jinfeng, Ducharne, Agnes, Guimberteau, Matthieu, Wada, Yoshihide, Kim, Hyungjun, Yamazaki, Dai

“…Global hydrological models (GHMs) have been applied to assess global flood hazards, but their capacity to capture the timing and amplitude of peak river…”
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Impact of climate change on renewable groundwater resources: assessing the benefits of avoided greenhouse gas emissions using selected CMIP5 climate projections by Portmann, Felix T, Döll, Petra, Eisner, Stephanie, Flörke, Martina

“…Reduction of greenhouse gas (GHG) emissions to minimize climate change requires very significant societal effort. To motivate this effort, it is important to…”
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Global-scale assessment of groundwater depletion and related groundwater abstractions: Combining hydrological modeling with information from well observations and GRACE satellites by Döll, Petra, Müller Schmied, Hannes, Schuh, Carina, Portmann, Felix T., Eicker, Annette

“…Groundwater depletion (GWD) compromises crop production in major global agricultural areas and has negative ecological consequences. To derive GWD at the grid…”
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Multiple cropping systems of the world and the potential for increasing cropping intensity by Waha, Katharina, Dietrich, Jan Philipp, Portmann, Felix T., Siebert, Stefan, Thornton, Philip K., Bondeau, Alberte, Herrero, Mario

“…•Global area of different multiple cropping systems quantified for the first time.•Twelve percent of global cropland are used for growing two or three crops in…”
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Comparing projections of future changes in runoff from hydrological and biome models in ISI-MIP by Davie, J. C. S, Falloon, P. D, Kahana, R, Dankers, R, Betts, R, Portmann, F. T, Wisser, D, Clark, D. B, Ito, A, Masaki, Y, Nishina, K, Fekete, B, Tessler, Z, Wada, Y, Liu, X, Tang, Q, Hagemann, S, Stacke, T, Pavlick, R, Schaphoff, S, Gosling, S. N, Franssen, W, Arnell, N

“…Future changes in runoff can have important implications for water resources and flooding. In this study, runoff projections from ISI-MIP (Inter-sectoral…”
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Using streamflow observations to estimate the impact of hydrological regimes and anthropogenic water use on European stream macroinvertebrate occurrences by Domisch, Sami, Portmann, Felix T., Kuemmerlen, Mathias, O'Hara, Robert B., Johnson, Richard K., Davy‐Bowker, John, Bækken, Torleif, Zamora‐Muñoz, Carmen, Sáinz‐Bariáin, Marta, Bonada, Núria, Haase, Peter, Döll, Petra, Jähnig, Sonja C.

“…Understanding the drivers of stream macroinvertebrate distribution patterns—the most diverse animal group in freshwater ecosystems—is a major goal in…”
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The global water resources and use model WaterGAP v2.2d: model description and evaluation by Müller Schmied, Hannes, Cáceres, Denise, Eisner, Stephanie, Flörke, Martina, Herbert, Claudia, Niemann, Christoph, Peiris, Thedini Asali, Popat, Eklavyya, Portmann, Felix Theodor, Reinecke, Robert, Schumacher, Maike, Shadkam, Somayeh, Telteu, Camelia-Eliza, Trautmann, Tim, Döll, Petra

“…WaterGAP is a global hydrological model that quantifies human use of groundwater and surface water as well as water flows and water storage and thus water…”
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Variations of global and continental water balance components as impacted by climate forcing uncertainty and human water use by Müller Schmied, Hannes, Adam, Linda, Eisner, Stephanie, Fink, Gabriel, Flörke, Martina, Kim, Hyungjun, Oki, Taikan, Portmann, Felix Theodor, Reinecke, Robert, Riedel, Claudia, Song, Qi, Zhang, Jing, Döll, Petra

“…When assessing global water resources with hydrological models, it is essential to know about methodological uncertainties. The values of simulated water…”
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Hydrological runoff modelling by the use of remote sensing data with reference to the 1993-1994 and 1995 floods in the river Rhine catchment by PORTMANN, FELIX T.

“…In hydrological modelling of runoff processes, including water balance, various input data and parameters can be acquired or estimated by the use of remote…”
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A developmental switch in the response of DRG neurons to ETS transcription factor signaling by Hippenmeyer, Simon, Vrieseling, Eline, Sigrist, Markus, Portmann, Thomas, Laengle, Celia, Ladle, David R, Arber, Silvia

“…Two ETS transcription factors of the Pea3 subfamily are induced in subpopulations of dorsal root ganglion (DRG) sensory and spinal motor neurons by…”
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Topological Yang-Mills theory with two fermionic charges. A superfield approach on Kähler manifolds by Dahmen, H.D., Marculescu, S., Portmann, T.

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Impact of water withdrawals from groundwater and surface water on continental water storage variations by Döll, P., Hoffmann-Dobrev, H., Portmann, F.T., Siebert, S., Eicker, A., Rodell, M., Strassberg, G., Scanlon, B.R.

“…Humans have strongly impacted the global water cycle, not only water flows but also water storage. We have performed a first global-scale analysis of the…”
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