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113 results on '"DUBROVSKÝ, MARTIN"'

2. Observed and expected changes in wildfire-conducive weather and fire events in peri-urban zones and key nature reserves of the Czech Republic

Author

Trnka, Mirek, Balek, Jan, Možný, Martin, Cienciala, Emil, Čermák, Petr, Semerádová, Daniela, Jurečka, František, Hlavinka, Petr, Štěpánek, Petr, Farda, Aleš, Skalák, Petr, Beranová, Jana, Chuchma, Filip, Zahradníček, Pavel, Janouš, Dalibor, Žalud, Zdeněk, Dubrovský, Martin, Kindlmann, Pavel, Křenová, Zdeňka, Fischer, Milan, Hruška, Jakub, and Brázdil, Rudolf

Published
2020

3. Testing for Collective Statistical Significance in Climate Change Detection Studies

Author

Huth, Radan, Dubrovský, Martin, Pisello, Anna Laura, Editorial Board Member, Hawkes, Dean, Editorial Board Member, Bougdah, Hocine, Editorial Board Member, Rosso, Federica, Editorial Board Member, Abdalla, Hassan, Editorial Board Member, Boemi, Sofia-Natalia, Editorial Board Member, Mohareb, Nabil, Editorial Board Member, Mesbah Elkaffas, Saleh, Editorial Board Member, Bozonnet, Emmanuel, Editorial Board Member, Pignatta, Gloria, Editorial Board Member, Mahgoub, Yasser, Editorial Board Member, De Bonis, Luciano, Editorial Board Member, Kostopoulou, Stella, Editorial Board Member, Pradhan, Biswajeet, Editorial Board Member, Abdul Mannan, Md., Editorial Board Member, Alalouch, Chaham, Editorial Board Member, O. Gawad, Iman, Editorial Board Member, Amer, Mourad, Series Editor, Zhang, Zhihua, editor, Khélifi, Nabil, editor, Mezghani, Abdelkader, editor, and Heggy, Essam, editor

Published
2019
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10. Increasing available water capacity as a factor for increasing drought resilience or potential conflict over water resources under present and future climate conditions

Author

Trnka, Miroslav, primary, Vizina, Adam, additional, Hanel, Martin, additional, Balek, Jan, additional, Fischer, Milan, additional, Hlavinka, Petr, additional, Semerádová, Daniela, additional, Štěpánek, Petr, additional, Zahradníček, Pavel, additional, Skalák, Petr, additional, Eitzinger, Josef, additional, Dubrovský, Martin, additional, Máca, Petr, additional, Bělínová, Monika, additional, Zeman, Evžen, additional, and Brázdil, Rudolf, additional

Published
2022
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21. Observed changes in the agroclimatic zones in the Czech Republic between 1961 and 2019

Author

Trnka, Miroslav, primary, Balek, Jan, additional, Brázdil, Rudolf, additional, Dubrovský, Martin, additional, Eitzinger, Josef, additional, Hlavinka, Petr, additional, Chuchma, Filip, additional, Možný, Martin, additional, Prášil, Ilja, additional, Růžek, Pavel, additional, Semerádová, Daniela, additional, Štěpánek, Petr, additional, Zahradníček, Pavel, additional, and Žalud, Zdeněk, additional

Published
2021
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22. Potential and challenges of long term uninterrupted field crop rotations modelling: case study from Czech Republic

Author

Bednařík, Martin, Pohanková, Eva, Hlavinka, Petr, Kersebaum, Christian, Madaras, Mikuláš, Jan, Balek, Dubrovský, Martin, Trnka, Miroslav, Global Change Research Institute CAS, Crop Res Inst, Div Crop Genet & Breeding, Prague, Czech Republic, Partenaires INRAE, Institute of Atmospheric Physics [Prague] (IAP), and Czech Academy of Sciences [Prague] (CAS)

Subjects
[INFO.INFO-MO]Computer Science [cs]/Modeling and Simulation
Abstract

International audience; Crop rotation composition, fertilization strategy and residue management could have long term effects on soil properties and crop production. Due to system complexity and unceasing changes (e.g. the development climatic conditions) exact quantification of various factors is relatively complicated. Crop growth models are available tools for assessment of interactions and processes (crop development, biomass production, soil processes, flow of matters etc.) at various levels of agrosystems. This makes such tools very useful aside field experiment which has limited range of options and conditions. The aim of this study is to demonstrate functionality of HERMES crop model for simulations of long term uninterrupted crop rotations. The evaluation of the model behavior within recent period is described for selected soil-climatic conditions (examples for representative locations within Czech Republic) with focus both on crop production aspects and soil processes (including organic matter balance). Moreover the examples of the simulated processes by HERMES model under selected set of future climatic conditions during this century is presented. Based on acquired knowledges the challenges for further progress is described (e.g. crops mixtures modelling, new crop implementation, effect of tillage intensity). The ambition is to have the complex and reliable modelling procedure as a tool for possible adaptation measures design and assessment both for current and future climatic condition. The study and contribution was funded through SustES-Adaptation strategies for sustainable ecosystem services and food security under adverse environmental conditions" project no. CZ.02.1.01/0.0/0.0/16_019/0000797.

Published
2020

31. Downscaling of climate change scenarios for a high resolution, site-specific assessment of drought stress risk for two viticultural regions with heterogeneous landscapes.

Author

Hofmann, Marco, Volosciuk, Claudia, Dubrovský, Martin, Maraun, Douglas, and Schultz, Hans R.

Subjects
CLIMATE change, CLIMATE change models, ATMOSPHERIC models, DOWNSCALING (Climatology), DROUGHTS, DEFICIT irrigation
Abstract

Extended periods without precipitation observed for example in Central Europe including Germany during the seasons from 2018 to 2020, can lead to water deficit and yield and quality losses for grape and wine production. However, irrigation infrastructure is largely non-existent. Regional climate models project changes of precipitation amounts and patterns, indicating an increase in frequency of occurrence of comparable situations in the future. In order to assess possible impacts of climate change on the water budget of grapevines, a water balance model was developed, which accounts for the large heterogeneity of vineyards with respect to their soil water storage capacity, evapotranspiration as a function of slope and aspect, and viticultural management practices. The model was fed with data from soil maps (soil type and plant available water capacity), a digital elevation model, the European Union (EU) vineyard-register, observed weather data and future weather data provided by regional climate models and a stochastic weather generator. This allowed conducting a risk assessment of the drought stress occurrence for the wine-producing regions Rheingau and Hessische Bergstraße in Germany on the scale of individual vineyard plots. The simulations showed that the risk for drought stress varies substantially between vineyard sites but might increase for steep-slope regions in the future. Possible adaptation measures depend highly on local conditions and to make targeted use of the resource water, an intense interplay of different wine-industry stakeholders, research, knowledge transfer, and local authorities will be required. [ABSTRACT FROM AUTHOR]

Published
2021
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35. The extreme drought episode of August 2011-May 2012 in the Czech Republic

Author

Zahradníček, Pavel, primary, Trnka, Miroslav, additional, Brázdil, Rudolf, additional, Možný, Martin, additional, Štěpánek, Petr, additional, Hlavinka, Petr, additional, Žalud, Zdeněk, additional, Malý, Antonín, additional, Semerádová, Daniela, additional, Dobrovolný, Petr, additional, Dubrovský, Martin, additional, and Řezníčková, Ladislava, additional

Published
2014
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47. The extreme drought episode of August 2011-May 2012 in the Czech Republic.

Author

Zahradníček, Pavel, Trnka, Miroslav, Brázdil, Rudolf, Možný, Martin, Štěpánek, Petr, Hlavinka, Petr, Žalud, Zdeněk, Malý, Antonín, Semerádová, Daniela, Dobrovolný, Petr, Dubrovský, Martin, and Řezníčková, Ladislava

Subjects
DROUGHTS & the environment, CROPS, DROUGHT tolerance, METEOROLOGICAL precipitation, AGRICULTURE
Abstract

ABSTRACT The weather conditions from August 2011 to May 2012 produced an extreme drought in the eastern Czech Republic (Moravia), whereas the patterns were nearly normal in its western region (Bohemia). The Southern and Central Moravia regions, which represent the most important agricultural areas, were most affected by the drought. The precipitation totals for the studied period were 50-70% of the long-term mean, which was calculated for 1961-2000. In autumn 2011, the total precipitation accounted for 10-30% of the long-term mean for most of Moravia, increasing to 30-50% in spring 2012. Moreover, 7.5% of the Czech Republic experienced a 100-year drought; 20% of the country experienced a 20-year drought. According to the Palmer Drought Severity Index, the 2012 drought was classified as the worst in the past 130 years. The drought patterns were related to the prevailing high-pressure systems over Central Europe and the occurrence of weather types with different precipitation amounts in Bohemia and Moravia. The most substantial drought effects occurred in the agricultural sector. A decrease in cereal yields was observed in the analysed production areas in Moravia, which was unprecedented in the past 52 years. Moreover, winter crops were affected more than spring crops. An increased risk of fire occurred due to the drought conditions; the largest forest fire in the past 15 years was recorded during this period. Furthermore, signs of hydrological drought were also reported in rivers. The 2011-2012 drought was compared with the significant droughts in 2000, 2003 and 2007. Austria and Slovakia, which neighbour the Czech Republic, experienced a similar drought. Global circulation model sensitivity experiments appear to indicate that droughts similar to this episode may be occurring at a recurrence interval of 20 years by the 2050s. [ABSTRACT FROM AUTHOR]

Published
2015
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