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Kersebaum, K.; Kroes, J.; Gobin, A.; Takáč, J.; Hlavinka, P.; Trnka, M.; Ventrella, D.; Giglio, L.; Ferrise, R.; Moriondo, M.; Dalla Marta, A.; Luo, Q.; Eitzinger, J.; Mirschel, W.; Weigel, H.-J.; Manderscheid, R.; Hoffmann, M.; Nejedlik, P.; Iqbal, M.; Hösch, J. |
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Title |
Assessing uncertainties of water footprints using an ensemble of crop growth models on winter wheat |
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Journal Article |
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Year |
2016 |
Publication |
Water |
Abbreviated Journal |
Water |
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8 |
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12 |
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571 |
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Crop productivity and water consumption form the basis to calculate the water footprint (WF) of a specific crop. Under current climate conditions, calculated evapotranspiration is related to observed crop yields to calculate WF. The assessment of WF under future climate conditions requires the simulation of crop yields adding further uncertainty. To assess the uncertainty of model based assessments of WF, an ensemble of crop models was applied to data from five field experiments across Europe. Only limited data were provided for a rough calibration, which corresponds to a typical situation for regional assessments, where data availability is limited. Up to eight models were applied for wheat. The coefficient of variation for the simulated actual evapotranspiration between models was in the range of 13%–19%, which was higher than the inter-annual variability. Simulated yields showed a higher variability between models in the range of 17%–39%. Models responded differently to elevated CO2 in a FACE (Free-Air Carbon Dioxide Enrichment) experiment, especially regarding the reduction of water consumption. The variability of calculated WF between models was in the range of 15%–49%. Yield predictions contributed more to this variance than the estimation of water consumption. Transpiration accounts on average for 51%–68% of the total actual evapotranspiration. |
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2073-4441 |
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CropM, ft_macsur |
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MA @ admin @ |
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4987 |
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Ventrella, D.; Giglio, L. |
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Green and blue water for the cultivation of tomato in Puglia. Patron Editore Bologna. 105-106. ISBN 978-88-555-3235-8 |
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2013 |
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Convegno “Agrometeorologia per la sicurezza ambientale ed alimentare. Firenze, 4-6 Giugno., 2013-06-04 to 2013-06-06 |
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MA @ admin @ |
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2874 |
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Ventrella, D.; Giglio, L.; Charfeddine, M.; Castellini, M. |
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Title |
Effects of climate change on soil fertility of a typical cropping system of Southern Italy |
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Conference Article |
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2012 |
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480-481 |
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University of Helsinki |
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Helsinki |
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Stoddard, F.; Mäkelä, P. |
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12th Congress of the European Society for Agronomy, 2012-08-20 to 2012-08-24, Helsinki |
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MA @ admin @ |
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2877 |
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Ventrella, D.; Giglio, L.; Charfeddine, M. |
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Title |
Climate change and nitrogen fertilization for winter durum wheat and tomato cultivated in Southern Italy |
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2014 |
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18th Nitrogen Workshop. The nitrogen challenge: building a blueprint for nitrogen use efficiency and food security, 2014-06-30 to 2014-07-03 |
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no |
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MA @ admin @ |
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2878 |
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Giglio, L.; Ventrella, D. |
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Vulnerabilità di frumento duro e pomodoro ed analisi di adattamento agronomico ai cambiamenti climatici nel territorio agricolo Pugliese. In: De Mastro G.; Ventrella D.; Verdini L. (Eds). 2012 Atti dell 480-482 |
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2012 |
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XLI Convegno annuale Società Italiana di Agronomia, Bari, Italy, 2012-09-19 to 2012-09-21 |
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MA @ admin @ |
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2457 |
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