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6. The challenge of unprecedented floods and droughts in risk management.

Author

Kreibich, Heidi, Van Loon, Anne, Schröter, Kai, Ward, Philip, Mazzoleni, Maurizio, Sairam, Nivedita, Abeshu, Guta, Agafonova, Svetlana, AghaKouchak, Amir, Aksoy, Hafzullah, Alvarez-Garreton, Camila, Aznar, Blanca, Balkhi, Laila, Barendrecht, Marlies, Biancamaria, Sylvain, Bos-Burgering, Liduin, Bradley, Chris, Budiyono, Yus, Buytaert, Wouter, Capewell, Lucinda, Carlson, Hayley, Cavus, Yonca, Couasnon, Anaïs, Coxon, Gemma, Daliakopoulos, Ioannis, de Ruiter, Marleen, Delus, Claire, Erfurt, Mathilde, Esposito, Giuseppe, François, Didier, Frappart, Frédéric, Freer, Jim, Frolova, Natalia, Gain, Animesh, Grillakis, Manolis, Grima, Jordi, Guzmán, Diego, Huning, Laurie, Ionita, Monica, Kharlamov, Maxim, Khoi, Dao, Kieboom, Natalie, Kireeva, Maria, Koutroulis, Aristeidis, Lavado-Casimiro, Waldo, Li, Hong-Yi, LLasat, María, Macdonald, David, Mård, Johanna, Mathew-Richards, Hannah, McKenzie, Andrew, Mejia, Alfonso, Mendiondo, Eduardo, Mens, Marjolein, Mobini, Shifteh, Mohor, Guilherme, Nagavciuc, Viorica, Ngo-Duc, Thanh, Thao Nguyen Huynh, Thi, Nhi, Pham, Petrucci, Olga, Nguyen, Hong, Quintana-Seguí, Pere, Razavi, Saman, Ridolfi, Elena, Riegel, Jannik, Sadik, Md, Savelli, Elisa, Sazonov, Alexey, Sharma, Sanjib, Sörensen, Johanna, Arguello Souza, Felipe, Stahl, Kerstin, Steinhausen, Max, Stoelzle, Michael, Szalińska, Wiwiana, Tang, Qiuhong, Tian, Fuqiang, Tokarczyk, Tamara, Tovar, Carolina, Tran, Thi, Van Huijgevoort, Marjolein, van Vliet, Michelle, Vorogushyn, Sergiy, Wagener, Thorsten, Wang, Yueling, Wendt, Doris, Wickham, Elliot, Yang, Long, Zambrano-Bigiarini, Mauricio, Blöschl, Günter, and Di Baldassarre, Giuliano

Subjects
Climate Change, Datasets as Topic, Droughts, Extreme Weather, Floods, Humans, Hydrology, Internationality, Risk Management
Abstract

Risk management has reduced vulnerability to floods and droughts globally1,2, yet their impacts are still increasing3. An improved understanding of the causes of changing impacts is therefore needed, but has been hampered by a lack of empirical data4,5. On the basis of a global dataset of 45 pairs of events that occurred within the same area, we show that risk management generally reduces the impacts of floods and droughts but faces difficulties in reducing the impacts of unprecedented events of a magnitude not previously experienced. If the second event was much more hazardous than the first, its impact was almost always higher. This is because management was not designed to deal with such extreme events: for example, they exceeded the design levels of levees and reservoirs. In two success stories, the impact of the second, more hazardous, event was lower, as a result of improved risk management governance and high investment in integrated management. The observed difficulty of managing unprecedented events is alarming, given that more extreme hydrological events are projected owing to climate change3.

Published
2022

10. Typologizing the Hydro-Environmental Research on Climate Change Adaptation of Water Infrastructure in the Mediterranean Region.

Author

Stamou, Anastasios I., Mitsopoulos, Georgios, Sfetsos, Athanasios, Stamou, Athanasia Tatiana, Varotsos, Konstantinos V., Giannakopoulos, Christos, and Koutroulis, Aristeidis

Subjects
CLIMATE change adaptation, ENVIRONMENTAL infrastructure, CLIMATE research, KNOWLEDGE transfer, WATER supply
Abstract

Water Infrastructure (WI), incorporating water supply, wastewater, and stormwater systems, is vulnerable to climate change impacts that can disrupt their functionality; thus, WI needs to be adapted to climate change. In 2021, the European Commission (EC) released the technical guidelines on "Climate-proofing Infrastructure" that include mitigation and adaptation strategies; these guidelines, and the relevant guides that followed, focus mainly on climate change aspects without examining sufficiently the engineering features of WI that are described mainly in the relevant hydro-environmental research; this research is vast and includes various terminologies and methods for all aspects of climate change adaptation. The adaptation procedure of WI to climate change is improved when this research is known to guidelines' developers. In the present work, to facilitate this knowledge transfer, we typologize the hydro-environmental research via its classification into five categories that are based on the EC guidelines and then perform a literature review that we present as follows: firstly, we introduce and typologize the climate hazards for WI systems and identify the most common of them in the Mediterranean region that we classify into seven groups; then, we classify the hydro-environmental research into five categories based on the EC guidelines, present the main aspects for each of these categories, discuss the future research; and finally, we summarize the conclusions. [ABSTRACT FROM AUTHOR]

Published
2024
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11. Challenges for drought assessment in the Mediterranean region under future climate scenarios

Author

Tramblay, Yves, Koutroulis, Aristeidis, Samaniego, Luis, Vicente-Serrano, Sergio M., Volaire, Florence, Boone, Aaron, Le Page, Michel, Llasat, Maria Carmen, Albergel, Clement, Burak, Selmin, Cailleret, Maxime, Kalin, Ksenija Cindrić, Davi, Hendrik, Dupuy, Jean-Luc, Greve, Peter, Grillakis, Manolis, Hanich, Lahoucine, Jarlan, Lionel, Martin-StPaul, Nicolas, Martínez-Vilalta, Jordi, Mouillot, Florent, Pulido-Velazquez, David, Quintana-Seguí, Pere, Renard, Delphine, Turco, Marco, Türkeş, Murat, Trigo, Ricardo, Vidal, Jean-Philippe, Vilagrosa, Alberto, Zribi, Mehrez, and Polcher, Jan

Published
2020
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13. Global terrestrial water storage and drought severity under climate change

Author

Pokhrel, Yadu, Felfelani, Farshid, Satoh, Yusuke, Boulange, Julien, Burek, Peter, Gädeke, Anne, Gerten, Dieter, Gosling, Simon N., Grillakis, Manolis, Gudmundsson, Lukas, Hanasaki, Naota, Kim, Hyungjun, Koutroulis, Aristeidis, Liu, Junguo, Papadimitriou, Lamprini, Schewe, Jacob, Müller Schmied, Hannes, Stacke, Tobias, Telteu, Camelia-Eliza, Thiery, Wim, Veldkamp, Ted, Zhao, Fang, and Wada, Yoshihide

Published
2021
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14. Proof of concept for a new sensor to monitor marine litter from space

Author

Universitat Politècnica de Catalunya. Doctorat en Física Computacional i Aplicada, Cózar, Andrés, Arias Ballesteros, Manuel, Suaria, Giuseppe, Viejo Marín, Josué, Aliani, Stefano, Koutroulis, Aristeidis, Delaney, James, Bonnery, Guillaume, Macias, Diego, de Vries, Robin, Sumerot, Romain, Morales Caselles, Carmen, Turiel, Antonio, González Fernández, Daniel, Corradi, Paolo, Universitat Politècnica de Catalunya. Doctorat en Física Computacional i Aplicada, Cózar, Andrés, Arias Ballesteros, Manuel, Suaria, Giuseppe, Viejo Marín, Josué, Aliani, Stefano, Koutroulis, Aristeidis, Delaney, James, Bonnery, Guillaume, Macias, Diego, de Vries, Robin, Sumerot, Romain, Morales Caselles, Carmen, Turiel, Antonio, González Fernández, Daniel, and Corradi, Paolo

Abstract

Worldwide, governments are implementing strategies to combat marine litter. However, their effectiveness is largely unknown because we lack tools to systematically monitor marine litter over broad spatio-temporal scales. Metre-sized aggregations of floating debris generated by sea-surface convergence lines have been reported as a reliable target for detection from satellites. Yet, the usefulness of such ephemeral, scattered aggregations as proxy for sustained, large-scale monitoring of marine litter remains an open question for a dedicated Earth-Observation mission. Here, we track this proxy over a series of 300,000 satellite images of the entire Mediterranean Sea. The proxy is mainly related to recent inputs from land-based litter sources. Despite the limitations of in-orbit technology, satellite detections are sufficient to map hot-spots and capture trends, providing an unprecedented source-to-sink view of the marine litter phenomenon. Torrential rains largely control marine litter inputs, while coastal boundary currents and wind-driven surface sweep arise as key drivers for its distribution over the ocean. Satellite-based monitoring proves to be a real game changer for marine litter research and management. Furthermore, the development of an ad-hoc sensor can lower the minimum detectable concentration by one order of magnitude, ensuring operational monitoring, at least for seasonal-to-interannual variability in the mesoscale., Postprint (published version)

Published
2024

18. Global hydrological models continue to overestimate river discharge.

Author

Heinicke, Stefanie, Volkholz, Jan, Schewe, Jacob, Gosling, Simon N, Müller Schmied, Hannes, Zimmermann, Sandra, Mengel, Matthias, Sauer, Inga J, Burek, Peter, Chang, Jinfeng, Kou-Giesbrecht, Sian, Grillakis, Manoli, Guillaumot, Luca, Hanasaki, Naota, Koutroulis, Aristeidis, Otta, Kedar, Qi, Wei, Satoh, Yusuke, Stacke, Tobias, and Yokohata, Tokuta

Published
2024
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22. Panta Rhei benchmark dataset: socio-hydrological data of paired events of floods and droughts

Author

Kreibich, Heidi, Schröter, Kai, Di Baldassarre, Giuliano, Van Loon, Anne F, Mazzoleni, Maurizio, Abeshu, Guta Wakbulcho, Agafonova, Svetlana, AghaKouchak, Amir, Aksoy, Hafzullah, Alvarez-Garreton, Camila, Aznar, Blanca, Balkhi, Laila, Barendrecht, Marlies H, Biancamaria, Sylvain, Bos-Burgering, Liduin, Bradley, Chris, Budiyono, Yus, Buytaert, Wouter, Capewell, Lucinda, Carlson, Hayley, Cavus, Yonca, Couasnon, Anaïs, Coxon, Gemma, Daliakopoulos, Ioannis, de Ruiter, Marleen C, Delus, Claire, Erfurt, Mathilde, Esposito, Giuseppe, François, Didier, Frappart, Frédéric, Freer, Jim, Frolova, Natalia, Gain, Animesh K, Grillakis, Manolis, Grima, Jordi Oriol, Guzmán, Diego A, Huning, Laurie S, Ionita, Monica, Kharlamov, Maxim, Khoi, Dao Nguyen, Kieboom, Natalie, Kireeva, Maria, Koutroulis, Aristeidis, Lavado-Casimiro, Waldo, Li, Hong-Yi, LLasat, Maria Carmen, Macdonald, David, Mård, Johanna, Mathew-Richards, Hannah, McKenzie, Andrew, Mejia, Alfonso, Mendiondo, Eduardo Mario, Mens, Marjolein, Mobini, Shifteh, Mohor, Guilherme Samprogna, Nagavciuc, Viorica, Ngo-Duc, Thanh, Nguyen, Huynh Thi Thao, Nhi, Pham Thi Thao, Petrucci, Olga, Quan, Nguyen Hong, Quintana-Seguí, Pere, Razavi, Saman, Ridolfi, Elena, Riegel, Jannik, Sadik, Shibly, Sairam, Nivedita, Savelli, Elisa, Sazonov, Alexey, Sharma, Sanjib, Sörensen, Johanna, Souza, Felipe Augusto Arguello, Stahl, Kerstin, Steinhausen, Max, Stoelzle, Michael, Szalińska, Wiwiana, Tang, Qiuhong, Tian, Fuqiang, Tokarczyk, Tamara, Tovar, Carolina, Van Thu Tran, Thi, van Huijgevoort, Marjolein HJ, van Vliet, Michelle TH, Vorogushyn, Sergiy, Wagener, Thorsten, Wang, Yueling, Wendt, Doris E, Wickham, Elliot, Yang, Long, Zambrano-Bigiarini, Mauricio, Ward, Philip J, Kreibich, Heidi, Schröter, Kai, Di Baldassarre, Giuliano, Van Loon, Anne F, Mazzoleni, Maurizio, Abeshu, Guta Wakbulcho, Agafonova, Svetlana, AghaKouchak, Amir, Aksoy, Hafzullah, Alvarez-Garreton, Camila, Aznar, Blanca, Balkhi, Laila, Barendrecht, Marlies H, Biancamaria, Sylvain, Bos-Burgering, Liduin, Bradley, Chris, Budiyono, Yus, Buytaert, Wouter, Capewell, Lucinda, Carlson, Hayley, Cavus, Yonca, Couasnon, Anaïs, Coxon, Gemma, Daliakopoulos, Ioannis, de Ruiter, Marleen C, Delus, Claire, Erfurt, Mathilde, Esposito, Giuseppe, François, Didier, Frappart, Frédéric, Freer, Jim, Frolova, Natalia, Gain, Animesh K, Grillakis, Manolis, Grima, Jordi Oriol, Guzmán, Diego A, Huning, Laurie S, Ionita, Monica, Kharlamov, Maxim, Khoi, Dao Nguyen, Kieboom, Natalie, Kireeva, Maria, Koutroulis, Aristeidis, Lavado-Casimiro, Waldo, Li, Hong-Yi, LLasat, Maria Carmen, Macdonald, David, Mård, Johanna, Mathew-Richards, Hannah, McKenzie, Andrew, Mejia, Alfonso, Mendiondo, Eduardo Mario, Mens, Marjolein, Mobini, Shifteh, Mohor, Guilherme Samprogna, Nagavciuc, Viorica, Ngo-Duc, Thanh, Nguyen, Huynh Thi Thao, Nhi, Pham Thi Thao, Petrucci, Olga, Quan, Nguyen Hong, Quintana-Seguí, Pere, Razavi, Saman, Ridolfi, Elena, Riegel, Jannik, Sadik, Shibly, Sairam, Nivedita, Savelli, Elisa, Sazonov, Alexey, Sharma, Sanjib, Sörensen, Johanna, Souza, Felipe Augusto Arguello, Stahl, Kerstin, Steinhausen, Max, Stoelzle, Michael, Szalińska, Wiwiana, Tang, Qiuhong, Tian, Fuqiang, Tokarczyk, Tamara, Tovar, Carolina, Van Thu Tran, Thi, van Huijgevoort, Marjolein HJ, van Vliet, Michelle TH, Vorogushyn, Sergiy, Wagener, Thorsten, Wang, Yueling, Wendt, Doris E, Wickham, Elliot, Yang, Long, Zambrano-Bigiarini, Mauricio, and Ward, Philip J

Abstract

As the adverse impacts of hydrological extremes increase in many regions of the world, a better understanding of the drivers of changes in risk and impacts is essential for effective flood and drought risk management and climate adaptation. However, there is currently a lack of comprehensive, empirical data about the processes, interactions, and feedbacks in complex human-water systems leading to flood and drought impacts. Here we present a benchmark dataset containing socio-hydrological data of paired events, i.e. two floods or two droughts that occurred in the same area. The 45 paired events occurred in 42 different study areas and cover a wide range of socio-economic and hydro-climatic conditions. The dataset is unique in covering both floods and droughts, in the number of cases assessed and in the quantity of socio-hydrological data. The benchmark dataset comprises (1) detailed review-style reports about the events and key processes between the two events of a pair; (2) the key data table containing variables that assess the indicators which characterize management shortcomings, hazard, exposure, vulnerability, and impacts of all events; and (3) a table of the indicators of change that indicate the differences between the first and second event of a pair. The advantages of the dataset are that it enables comparative analyses across all the paired events based on the indicators of change and allows for detailed context- and location-specific assessments based on the extensive data and reports of the individual study areas. The dataset can be used by the scientific community for exploratory data analyses, e.g. focused on causal links between risk management; changes in hazard, exposure and vulnerability; and flood or drought impacts. The data can also be used for the development, calibration, and validation of socio-hydrological models. The dataset is available to the public through the GFZ Data Services (Kreibich et al., 2023, 10.5880/GFZ.4.4.2023.001).

Published
2023

23. Panta Rhei benchmark dataset: socio-hydrological data of paired events of floods and droughts

Author

Kreibich, Heidi, primary, Schröter, Kai, additional, Di Baldassarre, Giuliano, additional, Van Loon, Anne F., additional, Mazzoleni, Maurizio, additional, Abeshu, Guta Wakbulcho, additional, Agafonova, Svetlana, additional, AghaKouchak, Amir, additional, Aksoy, Hafzullah, additional, Alvarez-Garreton, Camila, additional, Aznar, Blanca, additional, Balkhi, Laila, additional, Barendrecht, Marlies H., additional, Biancamaria, Sylvain, additional, Bos-Burgering, Liduin, additional, Bradley, Chris, additional, Budiyono, Yus, additional, Buytaert, Wouter, additional, Capewell, Lucinda, additional, Carlson, Hayley, additional, Cavus, Yonca, additional, Couasnon, Anaïs, additional, Coxon, Gemma, additional, Daliakopoulos, Ioannis, additional, de Ruiter, Marleen C., additional, Delus, Claire, additional, Erfurt, Mathilde, additional, Esposito, Giuseppe, additional, François, Didier, additional, Frappart, Frédéric, additional, Freer, Jim, additional, Frolova, Natalia, additional, Gain, Animesh K., additional, Grillakis, Manolis, additional, Grima, Jordi Oriol, additional, Guzmán, Diego A., additional, Huning, Laurie S., additional, Ionita, Monica, additional, Kharlamov, Maxim, additional, Khoi, Dao Nguyen, additional, Kieboom, Natalie, additional, Kireeva, Maria, additional, Koutroulis, Aristeidis, additional, Lavado-Casimiro, Waldo, additional, Li, Hong-Yi, additional, LLasat, Maria Carmen, additional, Macdonald, David, additional, Mård, Johanna, additional, Mathew-Richards, Hannah, additional, McKenzie, Andrew, additional, Mejia, Alfonso, additional, Mendiondo, Eduardo Mario, additional, Mens, Marjolein, additional, Mobini, Shifteh, additional, Mohor, Guilherme Samprogna, additional, Nagavciuc, Viorica, additional, Ngo-Duc, Thanh, additional, Nguyen, Huynh Thi Thao, additional, Nhi, Pham Thi Thao, additional, Petrucci, Olga, additional, Quan, Nguyen Hong, additional, Quintana-Seguí, Pere, additional, Razavi, Saman, additional, Ridolfi, Elena, additional, Riegel, Jannik, additional, Sadik, Md Shibly, additional, Sairam, Nivedita, additional, Savelli, Elisa, additional, Sazonov, Alexey, additional, Sharma, Sanjib, additional, Sörensen, Johanna, additional, Souza, Felipe Augusto Arguello, additional, Stahl, Kerstin, additional, Steinhausen, Max, additional, Stoelzle, Michael, additional, Szalińska, Wiwiana, additional, Tang, Qiuhong, additional, Tian, Fuqiang, additional, Tokarczyk, Tamara, additional, Tovar, Carolina, additional, Tran, Thi Van Thu, additional, van Huijgevoort, Marjolein H. J., additional, van Vliet, Michelle T. H., additional, Vorogushyn, Sergiy, additional, Wagener, Thorsten, additional, Wang, Yueling, additional, Wendt, Doris E., additional, Wickham, Elliot, additional, Yang, Long, additional, Zambrano-Bigiarini, Mauricio, additional, and Ward, Philip J., additional

Published
2023
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24. Functional relationships reveal differences in the water cycle representation of global water models

Author

Gnann, Sebastian, primary, Reinecke, Robert, additional, Stein, Lina, additional, Wada, Yoshihide, additional, Thiery, Wim, additional, Müller Schmied, Hannes, additional, Satoh, Yusuke, additional, Pokhrel, Yadu, additional, Ostberg, Sebastian, additional, Koutroulis, Aristeidis, additional, Hanasaki, Naota, additional, Grillakis, Manolis, additional, Gosling, Simon, additional, Burek, Peter, additional, Bierkens, Marc, additional, and Wagener, Thorsten, additional

Published
2023
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33. Soil-Improving Cropping Systems for Sustainable and Profitable Farming in Europe

Author

Hessel, Rudi, Wyseure, Guido, Panagea, Ioanna S., Alaoui, Abdallah, Reed, Mark S., Van Delden, Hedwig, Muro, Melanie, Mills, Jane, Oenema, Oene, Areal, Francisco, Van Den Elsen, Erik, Verzandvoort, Simone, Assinck, Falentijn, Elsen, Annemie, Lipiec, Jerzy, Koutroulis, Aristeidis, O’sullivan, Lilian, Bolinder, Martin A., Fleskens, Luuk, Kandeler, Ellen, Montanarella, Luca, Heinen, Marius, Toth, Zoltan, Hallama, Moritz, Cuevas, Julián, Baartman, Jantiene E.M., Piccoli, Ilaria, Dalgaard, Tommy, Stolte, Jannes, Black, Jasmine E., Chivers, Charlotte-Anne, Hessel, Rudi, Wyseure, Guido, Panagea, Ioanna S., Alaoui, Abdallah, Reed, Mark S., Van Delden, Hedwig, Muro, Melanie, Mills, Jane, Oenema, Oene, Areal, Francisco, Van Den Elsen, Erik, Verzandvoort, Simone, Assinck, Falentijn, Elsen, Annemie, Lipiec, Jerzy, Koutroulis, Aristeidis, O’sullivan, Lilian, Bolinder, Martin A., Fleskens, Luuk, Kandeler, Ellen, Montanarella, Luca, Heinen, Marius, Toth, Zoltan, Hallama, Moritz, Cuevas, Julián, Baartman, Jantiene E.M., Piccoli, Ilaria, Dalgaard, Tommy, Stolte, Jannes, Black, Jasmine E., and Chivers, Charlotte-Anne

Abstract

Soils form the basis for agricultural production and other ecosystem services, and soil management should aim at improving their quality and resilience. Within the SoilCare project, the concept of soil-improving cropping systems (SICS) was developed as a holistic approach to facilitate the adoption of soil management that is sustainable and profitable. SICS selected with stakeholders were monitored and evaluated for environmental, sociocultural, and economic effects to determine profitability and sustainability. Monitoring results were upscaled to European level using modelling and Europe-wide data, and a mapping tool was developed to assist in selection of appropriate SICS across Europe. Furthermore, biophysical, sociocultural, economic, and policy reasons for (non)adoption were studied. Results at the plot/farm scale showed a small positive impact of SICS on environment and soil, no effect on sustainability, and small negative impacts on economic and sociocultural dimensions. Modelling showed that different SICS had different impacts across Europe—indicating the importance of understanding local dynamics in Europe-wide assessments. Work on adoption of SICS confirmed the role economic considerations play in the uptake of SICS, but also highlighted social factors such as trust. The project’s results underlined the need for policies that support and enable a transition to more sustainable agricultural practices in a coherent way.

Published
2022

34. Soil-Improving Cropping Systems for Sustainable and Profitable Farming in Europe

Author

Hessel, Rudi, primary, Wyseure, Guido, additional, Panagea, Ioanna S., additional, Alaoui, Abdallah, additional, Reed, Mark S., additional, van Delden, Hedwig, additional, Muro, Melanie, additional, Mills, Jane, additional, Oenema, Oene, additional, Areal, Francisco, additional, van den Elsen, Erik, additional, Verzandvoort, Simone, additional, Assinck, Falentijn, additional, Elsen, Annemie, additional, Lipiec, Jerzy, additional, Koutroulis, Aristeidis, additional, O’Sullivan, Lilian, additional, Bolinder, Martin A., additional, Fleskens, Luuk, additional, Kandeler, Ellen, additional, Montanarella, Luca, additional, Heinen, Marius, additional, Toth, Zoltan, additional, Hallama, Moritz, additional, Cuevas, Julián, additional, Baartman, Jantiene E. M., additional, Piccoli, Ilaria, additional, Dalgaard, Tommy, additional, Stolte, Jannes, additional, Black, Jasmine E., additional, and Chivers, Charlotte-Anne, additional

Published
2022
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35. Climate drivers of global wildfire burned area

Author

Grillakis, Manolis, primary, Voulgarakis, Apostolos, additional, Rovithakis, Anastasios, additional, Seiradakis, Konstantinos D, additional, Koutroulis, Aristeidis, additional, Field, Robert D, additional, Kasoar, Matthew, additional, Papadopoulos, Athanasios, additional, and Lazaridis, Mihalis, additional

Published
2022
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40. Improving impact model intercomparison by developing and applying quality control and quality assessment tools – the example of the ISIMIP global water sector

Author

Müller Schmied, Hannes, primary, Büchner, Matthias, additional, Klar, Jochen, additional, Vega del Valle, Iliusi, additional, Koutroulis, Aristeidis, additional, Gosling, Simon N., additional, Dobor, Laura, additional, Nyenah, Emmanuel, additional, and Reyer, Christopher, additional

Published
2022
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43. A compilation of data on European flash floods

Author

Gaume, Eric, Bain, Valerie, Bernardara, Pietro, Newinger, Olivier, Barbuc, Mihai, Bateman, Allen, Blaškovičová, Lotta, Blöschl, Günter, Borga, Marco, Dumitrescu, Alexandru, Daliakopoulos, Ioannis, Garcia, Joachim, Irimescu, Anisoara, Kohnova, Silvia, Koutroulis, Aristeidis, Marchi, Lorenzo, Matreata, Simona, Medina, Vicente, Preciso, Emanuele, Sempere-Torres, Daniel, Stancalie, Gheorghe, Szolgay, Jan, Tsanis, Ioannis, Velasco, David, and Viglione, Alberto

Published
2009
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44. Understanding each other’s models: an introduction and a standard representation of 16 global water models to support intercomparison, improvement, and communication

Author

Telteu, Camelia Eliza, Thiery, Wim, Leng, Guoyong, Burek, Peter, Liu, Xingcai, Boulange, Julien Eric Stanislas, Andersen, Lauren Seaby, Grillakis, Manolis, Gosling, Simon Newland, Satoh, Yusuke, Rakovec, Oldrich, Stacke, Tobias, Chang, Jinfeng, Wanders, Niko, Shah, Harsh Lovekumar, Trautmann, Tim, Mao, Ganquan, Hanasaki, Naota, Koutroulis, Aristeidis, Pokhrel, Yadu, Samaniego, Luis, Wada, Yoshihide, Mishra, Vimal, Liu, Junguo, Zhao, Fang, Rabin, Sam, and Herz, Florian

Abstract

Global water models (GWMs) simulate the terrestrial water cycle on the global scale and are used to assess the impacts of climate change on freshwater systems. GWMs are developed within different modelling frameworks and consider different underlying hydrological processes, leading to varied model structures. Furthermore, the equations used to describe various processes take different forms and are generally accessible only from within the individual model codes. These factors have hindered a holistic and detailed understanding of how different models operate, yet such an understanding is crucial for explaining the results of model evaluation studies, understanding inter-model differences in their simulations, and identifying areas for future model development. This study provides a comprehensive overview of how 16 state-of-the-art GWMs are designed. We analyse water storage compartments, water flows, and human water use sectors included in models that provide simulations for the Inter-Sectoral Impact Model Intercomparison Project phase 2b (ISIMIP2b). We develop a standard writing style for the model equations to enhance model intercomparison, improvement, and communication. In this study, WaterGAP2 used the highest number of water storage compartments, 11, and CWatM used 10 compartments. Six models used six compartments, while four models (DBH, JULES-W1, Mac-PDM.20, and VIC) used the lowest number, three compartments. WaterGAP2 simulates five human water use sectors, while four models (CLM4.5, CLM5.0, LPJmL, and MPI-HM) simulate only water for the irrigation sector. We conclude that, even though hydrological processes are often based on similar equations for various processes, in the end these equations have been adjusted or models have used different values for specific parameters or specific variables. The similarities and differences found among the models analysed in this study are expected to enable us to reduce the uncertainty in multi-model ensembles, improve existing hydrological processes, and integrate new processes.

Published
2021

45. Intergenerational inequities in exposure to climate extremes

Author

Thiery, Wim, primary, Lange, Stefan, additional, Rogelj, Joeri, additional, Schleussner, Carl-Friedrich, additional, Gudmundsson, Lukas, additional, Seneviratne, Sonia I., additional, Andrijevic, Marina, additional, Frieler, Katja, additional, Emanuel, Kerry, additional, Geiger, Tobias, additional, Bresch, David N., additional, Zhao, Fang, additional, Willner, Sven N., additional, Büchner, Matthias, additional, Volkholz, Jan, additional, Bauer, Nico, additional, Chang, Jinfeng, additional, Ciais, Philippe, additional, Dury, Marie, additional, François, Louis, additional, Grillakis, Manolis, additional, Gosling, Simon N., additional, Hanasaki, Naota, additional, Hickler, Thomas, additional, Huber, Veronika, additional, Ito, Akihiko, additional, Jägermeyr, Jonas, additional, Khabarov, Nikolay, additional, Koutroulis, Aristeidis, additional, Liu, Wenfeng, additional, Lutz, Wolfgang, additional, Mengel, Matthias, additional, Müller, Christoph, additional, Ostberg, Sebastian, additional, Reyer, Christopher P. O., additional, Stacke, Tobias, additional, and Wada, Yoshihide, additional

Published
2021
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46. A quantitative evaluation of the issue of drought definition: a source of disagreement in future drought assessments

Author

Satoh, Yusuke, primary, Shiogama, Hideo, additional, Hanasaki, Naota, additional, Pokhrel, Yadu, additional, Boulange, Julien Eric Stanislas, additional, Burek, Peter, additional, Gosling, Simon Newland, additional, Grillakis, Manolis, additional, Koutroulis, Aristeidis, additional, Müller Schmied, Hannes, additional, Thiery, Wim, additional, and Yokohata, Tokuta, additional

Published
2021
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48. Water

Author

Fader, Marianela, Giupponi, Carlo, Burak, Selmin, Dakhlaoui, Hamouda, Koutroulis, Aristeidis, Lange, Manfred A., Llasat, María Carmen, Pulido-Velazquez, David, Sanz-Cobeña, Alberto, Cramer W, Guiot J, Marini K, International Centre for Water Resources and Global Change, Federal Institute of Hydrology, University of Ca’ Foscari [Venice, Italy], Istanbul University-Institute of Marine Sciences and Management (IU-IMSM), Istanbul, Turkey, Laboratoire de Modélisation en Hydraulique et Environnement [Tunis] (LR-LMHE ENIT), Ecole Nationale d'Ingénieurs de Tunis (ENIT), Université de Tunis El Manar (UTM)-Université de Tunis El Manar (UTM), Technical University of Crete [Chania], The Cyprus Institute, Nicosia, Cyprus, University of Barcelona, Barcelona, Spain, Spanish Geological Survey, Granada, Spain, Centro de Estudios e Investigación para la Gestión de Riesgos Agrarios y Medioambientales (CEIGRAM), Universidad Politécnica de Madrid (UPM), Union for the Mediterranean (UfM) thanks to the financial support from the Swedish International Development Cooperation Agency (SIDA), United Nations Environment Programme / Mediterranean Action, Plan Bleu (Regional Activity Center of UNEP/MAP), Ministry of Foreign Affairs and Cooperation of the Principality of Monaco, CEIGRAM, Universidad Politécnica de Madrid (UPM), Madrid, Spain, and Marini K (eds)

Subjects
Water resources, Climate Change, [SDE]Environmental Sciences, Mediterranean Basin, ComputingMilieux_MISCELLANEOUS, Environmental Changes
Abstract

International audience

Published
2021

49. Globally observed trends in mean and extreme river flow attributed to climate change

Author

Gudmundsson, Lukas, Boulange, Julien, Do, Hong X, Gosling, Simon N, Grillakis, Manolis G, Koutroulis, Aristeidis G, Leonard, Michael, Liu, Junguo, Papadimitriou, Lamprini, Pokhrel, Yadu, Seneviratne, Sonia I, Satoh, Yusuke, Thiery, Wim, Westra, Seth, Zhang, Xuebin, and Zhao, Fang

Abstract

Anthropogenic climate change is expected to affect global river flow. Here, we analyze time series of low, mean, and high river flows from 7250 observatories around the world covering the years 1971 to 2010. We identify spatially complex trend patterns, where some regions are drying and others are wetting consistently across low, mean, and high flows. Trends computed from state-of-the-art model simulations are consistent with the observations only if radiative forcing that accounts for anthropogenic climate change is considered. Simulated effects of water and land management do not suffice to reproduce the observed trend pattern. Thus, the analysis provides clear evidence for the role of externally forced climate change as a causal driver of recent trends in mean and extreme river flow at the global scale.

Published
2021

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