453 results on '"Van Loon, A. F."'
Search Results
2. Human influence
- Author
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Van Loon, Anne F., primary, Wanders, Niko, additional, Bloomfield, John P., additional, Fendeková, Miriam, additional, Ngongondo, Cosmo, additional, and Van Lanen, Henny A.J., additional
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- 2024
- Full Text
- View/download PDF
Catalog
3. Drought-generating processes
- Author
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Van Lanen, Henny A.J., primary, Fendeková, Miriam, additional, Bloomfield, John P., additional, and Van Loon, Anne F., additional
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- 2024
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- View/download PDF
4. Process-based modelling
- Author
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Van Lanen, Henny A.J., primary, Van Loon, Anne F., additional, Wanders, Niko, additional, and Prudhomme, Christel, additional
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- 2024
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- View/download PDF
5. List of contributors
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Barker, Lucy J., primary, Blauhut, Veit, additional, Bloomfield, John P., additional, Cammalleri, Carmelo, additional, Engeland, Kolbjørn, additional, Everard, Nick, additional, Facer-Childs, Katie, additional, Fendeková, Miriam, additional, Fry, Matthew, additional, Gauster, Tobias, additional, Hannaford, Jamie, additional, Harrigan, Shaun, additional, Hisdal, Hege, additional, Ionita, Monica, additional, Kingston, Daniel G., additional, Laaha, Gregor, additional, Marsh, Terry, additional, Muchan, Katie, additional, Ngongondo, Cosmo, additional, Parry, Simon, additional, Prudhomme, Christel, additional, Rees, Gwyn, additional, Sauquet, Eric, additional, Stagge, James H., additional, Stahl, Kerstin, additional, Tallaksen, Lena M., additional, Dijk, Albert Van, additional, Van Lanen, Henny A.J., additional, Van Loon, Anne F., additional, Vidal, Jean-Philippe, additional, Vogt, Jürgen, additional, and Wanders, Niko, additional more...
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- 2024
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6. Responding to climate services in the context of drought: A systematic review
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Muller, Lotte C.F.E., Schaafsma, Marije, Mazzoleni, Maurizio, and Van Loon, Anne F.
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- 2024
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7. Global Groundwater Modeling and Monitoring: Opportunities and Challenges
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Condon, Laura E, Kollet, Stefan, Bierkens, Marc FP, Fogg, Graham E, Maxwell, Reed M, Hill, Mary C, Fransen, Harrie‐Jan Hendricks, Verhoef, Anne, Van Loon, Anne F, Sulis, Mauro, and Abesser, Corinna
- Subjects
groundwater ,modeling ,global ,Physical Geography and Environmental Geoscience ,Civil Engineering ,Environmental Engineering - Abstract
Groundwater is by far the largest unfrozen freshwater resource on the planet. It plays a critical role as the bottom of the hydrologic cycle, redistributing water in the subsurface and supporting plants and surface water bodies. However, groundwater has historically been excluded or greatly simplified in global models. In recent years, there has been an international push to develop global scale groundwater modeling and analysis. This progress has provided some critical first steps. Still, much additional work will be needed to achieve a consistent global groundwater framework that interacts seamlessly with observational datasets and other earth system and global circulation models. Here we outline a vision for a global groundwater platform for groundwater monitoring and prediction and identify the key technological and data challenges that are currently limiting progress. Any global platform of this type must be interdisciplinary and cannot be achieved by the groundwater modeling community in isolation. Therefore, we also provide a high-level overview of the groundwater system, approaches to groundwater modeling and the current state of global groundwater representations, such that readers of all backgrounds can engage in this challenge. more...
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- 2021
8. Prolonged drought periods over the last four decades increase flood intensity in southern Africa
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Franchi, Fulvio, Mustafa, Syed, Ariztegui, Daniel, Chirindja, Farisse J., Di Capua, Andrea, Hussey, Stephen, Loizeau, Jean-Luc, Maselli, Vittorio, Matanó, Alessia, Olabode, Oluwaseun, Pasqualotto, Florian, Sengwei, Whatmore, Tirivarombo, Sithabile, Van Loon, Anne F., and Comte, Jean-Christophe more...
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- 2024
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9. The challenge of unprecedented floods and droughts in risk management
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Kreibich, Heidi, Van Loon, Anne F., Schröter, Kai, Ward, Philip J., Mazzoleni, Maurizio, Sairam, Nivedita, 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, María 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, Thao Nguyen Huynh, Thi, Nhi, Pham Thi Thao, Petrucci, Olga, Nguyen, Hong Quan, Quintana-Seguí, Pere, Razavi, Saman, Ridolfi, Elena, Riegel, Jannik, Sadik, Md Shibly, Savelli, Elisa, Sazonov, Alexey, Sharma, Sanjib, Sörensen, Johanna, Arguello Souza, Felipe Augusto, Stahl, Kerstin, Steinhausen, Max, Stoelzle, Michael, Szalińska, Wiwiana, Tang, Qiuhong, Tian, Fuqiang, Tokarczyk, Tamara, Tovar, Carolina, Tran, Thi Van Thu, Van Huijgevoort, Marjolein H. J., van Vliet, Michelle T. H., Vorogushyn, Sergiy, Wagener, Thorsten, Wang, Yueling, Wendt, Doris E., Wickham, Elliot, Yang, Long, Zambrano-Bigiarini, Mauricio, Blöschl, Günter, and Di Baldassarre, Giuliano more...
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- 2022
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10. Floods after drought: storytelling with agro-pastoralists in a Kenyan dryland.
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Weesie, Ruben V., Rohse, Melanie, Van Loon, Anne F., Koehler, Johanna, Barendrecht, Marlies H., and Mwangi, Moses
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FLOOD damage ,ARID regions ,TWENTY-first century ,TWENTIETH century ,FLOODS ,DROUGHT management - Abstract
In East African drylands, agro-pastoralists are continuously dealing with recurrent droughts and floods damaging to their livelihoods. Although droughts and floods have been widely studied as separate phenomena, little attention has been paid to agro-pastoral experiences of the relations between successive droughts and floods over time. Yet when floods follow a drought, they are likely to exacerbate or alleviate the impacts of the preceding drought. To address this, we conducted a study in southeastern Kenya's drylands, organizing storytelling sessions with 213 agro-pastoralist participants. By reconstructing a history of droughts and floods experiences from the 1940s to the early 2020s, we found that droughts and floods are strongly interrelated and ambivalent phenomena. During the latter half of the 20th century, agro-pastoralists narrated droughts as severely disruptive, distinct periods that frequently concluded with flooding, which both alleviated and intensified drought impacts. In the 21st century, however, droughts and floods are no longer experienced as discrete, named events but rather as a new normal. Floods after drought have become more frequent, short-lived, intense, and erosive, their regenerative function diminishing. The participants articulated how they adapt to droughts and floods amidst rapid socio-economic and socio-environmental changes. We found that various drought adaptation measures, largely initiated by (non)governmental organizations operating in drylands, have introduced flood risks. As droughts and floods are expected to become even heavier and frequent in future East African drylands and beyond, the stories underscore a need for adaptation approaches that benefit from the regenerative potential of floods after drought. [ABSTRACT FROM AUTHOR] more...
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- 2025
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11. Complexities of drought adaptive behaviour: Linking theory to data on smallholder farmer adaptation decisions
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Wens, Marthe L.K., Mwangi, Moses N., van Loon, Anne F., and Aerts, Jeroen C.J.H.
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- 2021
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12. Combining in-situ fluorometry and distributed rainfall data provides new insights into natural organic matter transport dynamics in an urban river
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Croghan, Danny, Khamis, Kieran, Bradley, Chris, Van Loon, Anne F., Sadler, Jon, and Hannah, David M.
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- 2021
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13. Review article: Drought as a continuum – memory effects in interlinked hydrological, ecological, and social systems.
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Van Loon, Anne F., Kchouk, Sarra, Matanó, Alessia, Tootoonchi, Faranak, Alvarez-Garreton, Camila, Hassaballah, Khalid E. A., Wu, Minchao, Wens, Marthe L. K., Shyrokaya, Anastasiya, Ridolfi, Elena, Biella, Riccardo, Nagavciuc, Viorica, Barendrecht, Marlies H., Bastos, Ana, Cavalcante, Louise, de Vries, Franciska T., Garcia, Margaret, Mård, Johanna, Streefkerk, Ileen N., and Teutschbein, Claudia more...
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WATERSHEDS ,SOCIAL systems ,SYSTEMS theory ,DROUGHT management ,DROUGHTS - Abstract
Droughts are often long-lasting phenomena, without a distinct start or end and with impacts cascading across sectors and systems, creating long-term legacies. Nevertheless, our current perceptions and management of droughts and their impacts are often event-based, which can limit the effective assessment of drought risks and reduction of drought impacts. Here, we advocate for changing this perspective and viewing drought as a hydrological–ecological–social continuum. We take a systems theory perspective and focus on how "memory" causes feedback and interactions between parts of the interconnected systems at different timescales. We first discuss the characteristics of the drought continuum with a focus on the hydrological, ecological, and social systems separately, and then we study the system of systems. Our analysis is based on a review of the literature and a study of five cases: Chile, the Colorado River basin in the USA, northeast Brazil, Kenya, and the Rhine River basin in northwest Europe. We find that the memories of past dry and wet periods, carried by both bio-physical (e.g. groundwater, vegetation) and social systems (e.g. people, governance), influence how future drought risk manifests. We identify four archetypes of drought dynamics: impact and recovery, slow resilience building, gradual collapse, and high resilience–big shock. The interactions between the hydrological, ecological, and social systems result in systems shifting between these types, which plays out differently in the five case studies. We call for more research on drought preconditions and recovery in different systems, on dynamics cascading between systems and triggering system changes, and on dynamic vulnerability and maladaptation. Additionally, we advocate for more continuous monitoring of drought hazards and impacts, modelling tools that better incorporate memories and adaptation responses, and management strategies that increase societal and institutional memory. This will help us to better deal with the complex hydrological–ecological–social drought continuum and identify effective pathways to adaptation and mitigation. [ABSTRACT FROM AUTHOR] more...
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- 2024
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14. Drought influences on hydrological regimes
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Matano, Alessia, primary, Barendrecht, Marlies, additional, Brunner, Manuela, additional, Hamed, Raed, additional, and Van Loon, Anne F., additional
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- 2024
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15. Managing groundwater supplies subject to drought: perspectives on current status and future priorities from England (UK)
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Ascott, M. J., Bloomfield, J. P., Karapanos, I., Jackson, C. R., Ward, R. S., McBride, A. B., Dobson, B., Kieboom, N., Holman, I. P., Van Loon, A. F., Crane, E. J., Brauns, B., Rodriguez-Yebra, A., and Upton, K. A. more...
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- 2021
- Full Text
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16. Review article : Drought as a continuum – memory effects in interlinked hydrological, ecological, and social systems
- Author
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Van Loon, Anne F., Kchouk, Sarra, Matanó, Alessia, Tootoonchi, Faranak, Alvarez-Garreton, Camila, Hassaballah, Khalid E.A., Wu, Minchao, Wens, Marthe L.K., Shyrokaya, Anastasiya, Ridolfi, Elena, Biella, Riccardo, Nagavciuc, Viorica, Barendrecht, Marlies H., Bastos, Ana, Cavalcante, Louise, de Vries, Franciska T., Garcia, Margaret, Mård, Johanna, Streefkerk, Ileen N., Teutschbein, Claudia, Tootoonchi, Roshanak, Weesie, Ruben, Aich, Valentin, Boisier, Juan P., Baldassarre, Giuliano Di, Du, Yiheng, Galleguillos, Mauricio, Garreaud, René, Ionita, Monica, Khatami, Sina, Koehler, Johanna K.L., Luce, Charles H., Maskey, Shreedhar, Mendoza, Heidi D., Mwangi, Moses N., Pechlivanidis, Ilias G., Ribeiro Neto, Germano G., Roy, Tirthankar, Stefanski, Robert, Trambauer, Patricia, Koebele, Elizabeth A., Vico, Giulia, Werner, Micha, Van Loon, Anne F., Kchouk, Sarra, Matanó, Alessia, Tootoonchi, Faranak, Alvarez-Garreton, Camila, Hassaballah, Khalid E.A., Wu, Minchao, Wens, Marthe L.K., Shyrokaya, Anastasiya, Ridolfi, Elena, Biella, Riccardo, Nagavciuc, Viorica, Barendrecht, Marlies H., Bastos, Ana, Cavalcante, Louise, de Vries, Franciska T., Garcia, Margaret, Mård, Johanna, Streefkerk, Ileen N., Teutschbein, Claudia, Tootoonchi, Roshanak, Weesie, Ruben, Aich, Valentin, Boisier, Juan P., Baldassarre, Giuliano Di, Du, Yiheng, Galleguillos, Mauricio, Garreaud, René, Ionita, Monica, Khatami, Sina, Koehler, Johanna K.L., Luce, Charles H., Maskey, Shreedhar, Mendoza, Heidi D., Mwangi, Moses N., Pechlivanidis, Ilias G., Ribeiro Neto, Germano G., Roy, Tirthankar, Stefanski, Robert, Trambauer, Patricia, Koebele, Elizabeth A., Vico, Giulia, and Werner, Micha more...
- Abstract
Droughts are often long-lasting phenomena, without a distinct start or end and with impacts cascading across sectors and systems, creating long-term legacies. Nevertheless, our current perceptions and management of droughts and their impacts are often event-based, which can limit the effective assessment of drought risks and reduction of drought impacts. Here, we advocate for changing this perspective and viewing drought as a hydrological–ecological–social continuum. We take a systems theory perspective and focus on how “memory” causes feedback and interactions between parts of the interconnected systems at different timescales. We first discuss the characteristics of the drought continuum with a focus on the hydrological, ecological, and social systems separately, and then we study the system of systems. Our analysis is based on a review of the literature and a study of five cases: Chile, the Colorado River basin in the USA, northeast Brazil, Kenya, and the Rhine River basin in northwest Europe. We find that the memories of past dry and wet periods, carried by both bio-physical (e.g. groundwater, vegetation) and social systems (e.g. people, governance), influence how future drought risk manifests. We identify four archetypes of drought dynamics: impact and recovery, slow resilience building, gradual collapse, and high resilience–big shock. The interactions between the hydrological, ecological, and social systems result in systems shifting between these types, which plays out differently in the five case studies. We call for more research on drought preconditions and recovery in different systems, on dynamics cascading between systems and triggering system changes, and on dynamic vulnerability and maladaptation. Additionally, we advocate for more continuous monitoring of drought hazards and impacts, modelling tools that better incorporate memories and adaptation responses, and management strategies that increase societal and institutional memory. This will help us t more...
- Published
- 2024
17. Modelling the role of multiple risk attitudes in implementing adaptation measures to reduce drought and flood losses
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Mazzoleni, M., Mondino, E., Matano, A., Van Loon, A. F., Barendrecht, M. H., Mazzoleni, M., Mondino, E., Matano, A., Van Loon, A. F., and Barendrecht, M. H.
- Abstract
Human activities have increasingly affected hydrological processes in many river basins worldwide leading to changes in the severity of droughts and floods. A number of modelling studies have used system dynamic models to represent the complex dynamics generated by the interplays between the social and physical systems. Yet, attitudes towards drought and flood risk leading to the implementation of individual and collective adaptation measures are not included in current system dynamics modelling approaches. To address this gap, we developed a system dynamic model to represent the dynamics between human societies, decision-making processes, adaptation measures, and hydrological extremes. The model accounts for a society characterized by the coexistence of four types of risk attitudes and management responses: risk-neglecting, risk-controlling, riskdownplaying, and risk-monitoring. Our findings show that the presence of a prevalent social group with a certain risk attitude has a strong influence on the awareness, preparedness, and consequent losses of the other social groups. On the other hand, the homogenous presence of social groups with diverse risk attitudes leads to higher drought and flood losses due to the unsustainable water use of risk-neglecting and risk-downplaying groups. Finally, our results highlight that societies characterized by high heterogeneity in risk-attitudes tend to implement less collective measures, opting instead for individual measures by specific social groups. This emphasizes the importance of accounting for different social groups when modelling human-water dynamics to promote an integrated risk management and design more sustainable and resilient future adaptation pathways. more...
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- 2024
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18. Exploring drought‐to‐flood interactions and dynamics: A global case review
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Barendrecht, Marlies H., Matanó, Alessia, Mendoza, Heidi, Weesie, Ruben, Rohse, Melanie, Koehler, Johanna, de Ruiter, Marleen, Garcia, Margaret, Mazzoleni, Maurizio, Aerts, Jeroen C. J. H., Ward, Philip J., Di Baldassarre, Giuliano, Day, Rosie, Van Loon, Anne F., Barendrecht, Marlies H., Matanó, Alessia, Mendoza, Heidi, Weesie, Ruben, Rohse, Melanie, Koehler, Johanna, de Ruiter, Marleen, Garcia, Margaret, Mazzoleni, Maurizio, Aerts, Jeroen C. J. H., Ward, Philip J., Di Baldassarre, Giuliano, Day, Rosie, and Van Loon, Anne F. more...
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- 2024
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19. Learning by Doing: Enhancing Hydrology Lectures with Individual Fieldwork Projects
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Van Loon, Anne F.
- Abstract
Hydrology teaching deals with processes happening outside the classroom, which calls for active-learning methods to complement lectures. In a geography undergraduate course, new teaching methods and assessment were designed, in which students investigated a river of their choice by completing homework tasks and presenting their results on a poster. During a 3-year implementation process, the changes were evaluated using a combination of formal and informal student and lecturer feedback. Students mentioned that they enjoyed doing the project and that it helped their understanding of theory, their research skills, and their ability to select, organize and present information. Questionnaire results showed that, over the implementation period, students' perceived value of homework increased strongly, while their perceived value of lectures remained high. In informal feedback, students noted that they enjoyed learning about where they live, preferred doing the projects individually and seeing each other's projects, and spent more time on the coursework when assessed. When looking back in interviews, students commented that the projects had prepared them well for their dissertation and summer job. The advantage of using homework-based projects complementing lectures is the strong link between theory and practice, which could be further enhanced by discussing the homework in the lectures. more...
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- 2019
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20. Exploring drought‐to‐flood interactions and dynamics: A global case review
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Barendrecht, Marlies H., primary, Matanó, Alessia, additional, Mendoza, Heidi, additional, Weesie, Ruben, additional, Rohse, Melanie, additional, Koehler, Johanna, additional, de Ruiter, Marleen, additional, Garcia, Margaret, additional, Mazzoleni, Maurizio, additional, Aerts, Jeroen C. J. H., additional, Ward, Philip J., additional, Di Baldassarre, Giuliano, additional, Day, Rosie, additional, and Van Loon, Anne F., additional more...
- Published
- 2024
- Full Text
- View/download PDF
21. Review article: Drought as a continuum: memory effects in interlinked hydrological, ecological, and social systems
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Van Loon, Anne F., primary, Kchouk, Sarra, additional, Matanó, Alessia, additional, Tootoonchi, Faranak, additional, Alvarez-Garreton, Camila, additional, Hassaballah, Khalid E. A., additional, Wu, Minchao, additional, Wens, Marthe L. K., additional, Shyrokaya, Anastasiya, additional, Ridolfi, Elena, additional, Biella, Riccardo, additional, Nagavciuc, Viorica, additional, Barendrecht, Marlies H., additional, Bastos, Ana, additional, Cavalcante, Louise, additional, de Vries, Franciska T., additional, Garcia, Margaret, additional, Mård, Johanna, additional, Streefkerk, Ileen N., additional, Teutschbein, Claudia, additional, Tootoonchi, Roshanak, additional, Weesie, Ruben, additional, Aich, Valentin, additional, Boisier, Juan P., additional, Di Baldassarre, Giuliano, additional, Du, Yiheng, additional, Galleguillos, Mauricio, additional, Garreaud, René, additional, Ionita, Monica, additional, Khatami, Sina, additional, Koehler, Johanna K. L., additional, Luce, Charles H., additional, Maskey, Shreedhar, additional, Mendoza, Heidi D., additional, Mwangi, Moses N., additional, Pechlivanidis, Ilias G., additional, Ribeiro Neto, Germano G., additional, Roy, Tirthankar, additional, Stefanski, Robert, additional, Trambauer, Patricia, additional, Koebele, Elizabeth A., additional, Vico, Giulia, additional, and Werner, Micha, additional more...
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- 2024
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22. From Indices to Impacts: Understanding the Dynamics of Drought Impacts Through Environmental and Socio-Economic Clustering
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Odongo, Rhoda A., primary, de Moel, Hans, additional, Wens, Marthe, additional, Coumou, Dim, additional, Limones, Natalia, additional, Otieno, Viola, additional, and Van Loon, Anne F., additional
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- 2024
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23. Soil Moisture Drought in Europe : A Compound Event of Precipitation and Potential Evapotranspiration on Multiple Time Scales
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Manning, Colin, Widmann, Martin, Bevacqua, Emanuele, Van Loon, Anne F., Maraun, Douglas, and Vrac, Mathieu
- Published
- 2018
24. Tackling Growing Drought Risks—The Need for a Systemic Perspective
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Hagenlocher, M., primary, Naumann, G., additional, Meza, I., additional, Blauhut, V., additional, Cotti, D., additional, Döll, P., additional, Ehlert, K., additional, Gaupp, F., additional, Van Loon, A. F., additional, Marengo, J. A., additional, Rossi, L., additional, Sabino Siemons, A. S., additional, Siebert, S., additional, Tsehayu, A. T., additional, Toreti, A., additional, Tsegai, D., additional, Vera, C., additional, Vogt, J., additional, and Wens, M., additional more...
- Published
- 2023
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25. Linking reported drought impacts with drought indices, water scarcity and aridity: the case of Kenya
- Author
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Lam, Marleen R., primary, Matanó, Alessia, additional, Van Loon, Anne F., additional, Odongo, Rhoda A., additional, Teklesadik, Aklilu D., additional, Wamucii, Charles N., additional, van den Homberg, Marc J. C., additional, Waruru, Shamton, additional, and Teuling, Adriaan J., additional more...
- Published
- 2023
- Full Text
- View/download PDF
26. Water shortages worsened by reservoir effects
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Di Baldassarre, Giuliano, Wanders, Niko, AghaKouchak, Amir, Kuil, Linda, Rangecroft, Sally, Veldkamp, Ted I. E., Garcia, Margaret, van Oel, Pieter R., Breinl, Korbinian, and Van Loon, Anne F.
- Published
- 2018
- Full Text
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27. Human influence
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Van Loon, Anne F., Wanders, Niko, Bloomfield, John P., Fendeková, Miriam, Ngongondo, Cosmo, Van Lanen, Henny A.J., Van Loon, Anne F., Wanders, Niko, Bloomfield, John P., Fendeková, Miriam, Ngongondo, Cosmo, and Van Lanen, Henny A.J. more...
- Abstract
Human interventions influence drought propagation and low flow in a number of ways. Abstraction decreases low flow and makes hydrological drought events more severe; water transfers do the opposite. Reservoirs change water availability in time, and, dependent on the reservoir management, low flow can be increased and hydrological drought shifted in time. Land surface changes affect evapotranspiration, infiltration and surface runoff processes, influencing the timing and severity of hydrological drought. Qualitative methods (e.g., interviews, surveys) and socio-hydrological models can give valuable insights into the complexity of human-water interactions. Socio-hydrological models can also be used to explore feedbacks of water management scenarios. To quantify of the effect of natural and human drivers several approaches using observations, modelling or a combination of both can be used. Here, we demonstrate the use of these approaches to selected case studies around the world and show that the human influence on low flow and hydrological drought can be both aggravating and alleviating. more...
- Published
- 2023
28. Process-based modelling
- Author
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Van Lanen, Henny A.J., Van Loon, Anne F., Wanders, Niko, Prudhomme, Christel, Van Lanen, Henny A.J., Van Loon, Anne F., Wanders, Niko, and Prudhomme, Christel
- Abstract
The chapter describes two categories of process-based models, namely, hydrological and socio-hydrological models. It starts with an explanation of the modelling chain from climate drivers via process-based models to identification of hydrological and socio-hydrological drought characteristics. Then, the first category of process-based models is introduced, that is, hydrological models, which are divided in three types: spatially lumped, semi-distributed and spatially distributed models. Spatially distributed models are further subdivided based on whether they simulate lateral groundwater flow (GWfl) or not (nGWfl). An example model of each of these three types, including an application is given, that is, HBV (spatially lumped, semi-distributed), PCR-GLOBWB (spatially distributed model, nGWfl) and SIMGRO (spatially distributed model, GWfl). The second category of process-based models, that is, the socio-hydrological models, is also divided into three types: coupled-component, system-dynamics and agent-based models. The chapter addresses calibration and validation of process-based models and concludes with some guidance on how to select an adequate model, considering also the associated uncertainty. more...
- Published
- 2023
29. Panta Rhei benchmark dataset: socio-hydrological data of paired events of floods and droughts
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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 more...
- 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). more...
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- 2023
30. Human influence
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Landdegradatie en aardobservatie, Van Loon, Anne F., Wanders, Niko, Bloomfield, John P., Fendeková, Miriam, Ngongondo, Cosmo, Van Lanen, Henny A.J., Landdegradatie en aardobservatie, Van Loon, Anne F., Wanders, Niko, Bloomfield, John P., Fendeková, Miriam, Ngongondo, Cosmo, and Van Lanen, Henny A.J. more...
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- 2023
31. Process-based modelling
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Landdegradatie en aardobservatie, Van Lanen, Henny A.J., Van Loon, Anne F., Wanders, Niko, Prudhomme, Christel, Landdegradatie en aardobservatie, Van Lanen, Henny A.J., Van Loon, Anne F., Wanders, Niko, and Prudhomme, Christel more...
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- 2023
32. Droughts are coming on faster
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Walker, David W., Van Loon, Anne F., Walker, David W., and Van Loon, Anne F.
- Abstract
Higher global temperatures are increasing the frequency of flash droughts.
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- 2023
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33. Linking reported drought impacts with drought indices, water scarcity and aridity : the case of Kenya
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Lam, Marleen R., Matanó, Alessia, Van Loon, Anne F., Odongo, Rhoda A., Teklesadik, Aklilu D., Wamucii, Charles N., Van Den Homberg, Marc J.C., Waruru, Shamton, Teuling, Adriaan J., Lam, Marleen R., Matanó, Alessia, Van Loon, Anne F., Odongo, Rhoda A., Teklesadik, Aklilu D., Wamucii, Charles N., Van Den Homberg, Marc J.C., Waruru, Shamton, and Teuling, Adriaan J. more...
- Abstract
The relation between drought severity and drought impacts is complex and relatively unexplored in the African continent. This study assesses the relation between reported drought impacts, drought indices, water scarcity and aridity across several counties in Kenya. The monthly bulletins of the National Drought Management Authority in Kenya provided drought impact data. A random forest (RF) model was used to explore which set of drought indices (standardized precipitation index, standardized precipitation evapotranspiration index, standardized soil moisture index and standardized streamflow index) best explains drought impacts on pasture, livestock deaths, milk production, crop losses, food insecurity, trekking distance for water and malnutrition. The findings of this study suggest a relation between drought severity and the frequency of drought impacts, whereby the latter also showed a positive relation with aridity. A relation between water scarcity and aridity was not found. The RF model revealed that every region, aggregated by aridity, had their own set of predictors for every impact category. Longer timescales (≥12 months) and the standardized streamflow index were strongly represented in the list of predictors, indicating the importance of hydrological drought to predict drought impact occurrences. This study highlights the potential of linking drought indices with text-based impact reports while acknowledging that the findings strongly depend on the availability of drought impact data. Moreover, it emphasizes the importance of considering spatial differences in aridity, water scarcity and socio-economic conditions within a region when exploring the relationships between drought impacts and indices. more...
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- 2023
34. Managing water across the flood-drought spectrum – experiences from and challenges for the Netherlands
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Bartholomeus, Ruud P., primary, van der Wiel, Karin, additional, van Loon, Anne F., additional, van Huijgevoort, Marjolein H.J., additional, van Vliet, Michelle T. H., additional, Mens, Marjolein, additional, Muurling-van Geffen, Sharon, additional, Wanders, Niko, additional, and Pot, Wieke, additional more...
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- 2023
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35. Panta Rhei benchmark dataset: socio-hydrological data of paired events of floods and droughts
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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 more...
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- 2023
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36. Droughts are coming on faster
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Walker, David W., primary and Van Loon, Anne F., additional
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- 2023
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37. Large spread in the representation of compound long-duration dry and hot spells over Europe in CMIP5
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Manning, Colin, primary, Widmann, Martin, additional, Maraun, Douglas, additional, Van Loon, Anne F., additional, and Bevacqua, Emanuele, additional
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- 2023
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38. Lessons from the 2018-2019 European droughts : a collective need for unifying drought risk management
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Blauhut, Veit, Stoelzle, Michael, Ahopelto, Lauri, Brunner, Manuela I., Teutschbein, Claudia, Wendt, Doris E., Akstinas, Vytautas, Bakke, Sigrid J., Barker, Lucy J., Bartošová, Lenka, Briede, Agrita, Cammalleri, Carmelo, Kalin, Ksenija Cindrić, De Stefano, Lucia, Fendeková, Miriam, Finger, David C., Huysmans, Marijke, Ivanov, Mirjana, Jaagus, Jaak, Jakubínský, JiÅ™í, Krakovska, Svitlana, Laaha, Gregor, Lakatos, Monika, Manevski, Kiril, Neumann Andersen, Mathias, Nikolova, Nina, Osuch, Marzena, Van Oel, Pieter, Radeva, Kalina, Romanowicz, Renata J., Toth, Elena, Trnka, Mirek, Urošev, Marko, Urquijo Reguera, Julia, Sauquet, Eric, Stevkov, Aleksandra, Tallaksen, Lena M., Trofimova, Iryna, Van Loon, Anne F., Van Vliet, Michelle T.H., Vidal, Jean Philippe, Wanders, Niko, Werner, Micha, Willems, Patrick, Zivković, Nenad, Hydrologie, Landdegradatie en aardobservatie, Blauhut V., Stoelzle M., Ahopelto L., Brunner M.I., Teutschbein C., Wendt D.E., Akstinas V., Bakke S.J., Barker L.J., Bartosova L., Briede A., Cammalleri C., Kalin K.C., De Stefano L., Fendekova M., Finger D.C., Huysmans M., Ivanov M., Jaagus J., Jakubinsky J., Krakovska S., Laaha G., Lakatos M., Manevski K., Neumann Andersen M., Nikolova N., Osuch M., Van Oel P., Radeva K., Romanowicz R.J., Toth E., Trnka M., Urosev M., Urquijo Reguera J., Sauquet E., Stevkov A., Tallaksen L.M., Trofimova I., Van Loon A.F., Van Vliet M.T.H., Vidal J.-P., Wanders N., Werner M., Willems P., Zivkovic N., University of Freiburg, Department of Built Environment, Uppsala University, University of Birmingham, Lithuanian Energy Institute, University of Oslo, Centre for Ecology and Hydrology, Czech Academy of Sciences, University of Latvia, European Commission Joint Research Centre Institute, Croatian Meteorological and Hydrological Service, Complutense University, Comenius University in Bratislava, Reykjavík University, Vrije Universiteit Brussel, Institute of Hydrometeorology and Seismology of Montenegro, University of Tartu, Ukrainian Hydrometeorological Institute, University of Natural Resources and Life Sciences, Vienna, Hungarian Meteorological Service, Aarhus University, Sofia University St. Kliment Ohridski, Institute of Geophysics of the Polish Academy of Sciences, Wageningen University and Research Centre, Universita di Bologna, Serbian Academy of Sciences and Arts, Technical University of Madrid, INRAE, National Hydrometeorological Service, Vrije Universiteit Amsterdam, Utrecht University, IHE Delft Institute for Water Education, KU Leuven, University of Belgrade, Aalto-yliopisto, Aalto University, Hydrology and Hydraulic Engineering, Water and Climate Risk, Hydrologie, and Landdegradatie en aardobservatie more...
- Subjects
IMPACTS ,drought ,risk ,management ,strategy ,stakeholders ,Europe ,Hidrología ,media_common.quotation_subject ,WATER-RESOURCES ,CIRCULATION ,Vulnerability ,Earth and Planetary Sciences(all) ,Oceanografi, hydrologi och vattenresurser ,METEOROLOGICAL DROUGHT ,EVENTS ,Oceanography, Hydrology and Water Resources ,Short summary: Recent drought events caused enormous damage in Europe. We therefore questioned the existence and effect of current drought management strategies on the actual impacts and how drought is perceived by relevant stakeholders. Over 700 participants from 28 European countries provided insights into drought hazard and impact perception and current management strategies. The study concludes with an urgent need to collectively combat drought risk via a European macro-level drought governance approach ,11. Sustainability ,Meteorology & Atmospheric Sciences ,Life Science ,Geosciences, Multidisciplinary ,Environmental planning ,media_common ,Science & Technology ,WIMEK ,Corporate governance ,Geology ,Directive ,Hazard ,6. Clean water ,Water Resources Management ,Water resources ,Geography ,Harm ,13. Climate action ,Physical Sciences ,Water Resources ,General Earth and Planetary Sciences ,Water Systems and Global Change ,Psychological resilience ,Hydrology ,SDG 6 - Clean Water and Sanitation ,Diversity (business) - Abstract
Funding Information: This open-access publication was funded by the University of Freiburg. Funding Information: Financial support. The project is supported by the Wassernetzwerk Baden-Württemberg (Water Research Network of the State Baden-Württemberg), which is funded by the Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg (Ministry of Science, Research and the Arts of the State Baden-Württemberg) (grant no. AZ. 7532.21/2.1.6) and Maa-ja vesitekniikan tuki ry foundation. Doris E. Wendt acknowledges her support as part of the NERC-funded Groundwater Drought Initiative (NE/R004994/1). Lucy J. Barker was supported by the Natural Environment Research Council (NE/R016429/1) as part of the UK-SCAPE programme delivering National Capability. The contributions of Mirek Trnka, Lenka Bartošová, and Jaak Jaagus have been supported by SustES – Adaptation strategies for sustainable ecosystem services and food security under adverse environmental conditions (CZ.02.1.01/0.0/0.0/16_019/0000797). Publisher Copyright: © 2022 Veit Blauhut et al. Drought events and their impacts vary spatially and temporally due to diverse pedo-climatic and hydrologic conditions, as well as variations in exposure and vulnerability, such as demographics and response actions. While hazard severity and frequency of past drought events have been studied in detail, little is known about the effect of drought management strategies on the actual impacts and how the hazard is perceived by relevant stakeholders. In a continental study, we characterised and assessed the impacts and the perceptions of two recent drought events (2018 and 2019) in Europe and examined the relationship between management strategies and drought perception, hazard, and impact. The study was based on a pan-European survey involving national representatives from 28 countries and relevant stakeholders responding to a standard questionnaire. The survey focused on collecting information on stakeholders' perceptions of drought, impacts on water resources and beyond, water availability, and current drought management strategies on national and regional scales. The survey results were compared with the actual drought hazard information registered by the European Drought Observatory (EDO) for 2018 and 2019. The results highlighted high diversity in drought perception across different countries and in values of the implemented drought management strategies to alleviate impacts by increasing national and sub-national awareness and resilience. The study identifies an urgent need to further reduce drought impacts by constructing and implementing a European macro-level drought governance approach, such as a directive, which would strengthen national drought management and mitigate damage to human and natural assets. more...
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- 2022
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39. Hydrological drought – processes and estimation methods for streamflow and groundwater
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Tallaksen, Lena M., primary, Van Lanen, Henny A.J., additional, Hannaford, Jamie, additional, Hisdal, Hege, additional, Kingston, Daniel G., additional, Laaha, Gregor, additional, Prudhomme, Christel, additional, Stagge, James H., additional, Stahl, Kerstin, additional, Van Loon, Anne F., additional, and Wanders, Niko, additional more...
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- 2023
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40. Drought and flood risk in Kitui, Kenya: are they increasing and why?
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Barendrecht, Marlies H., primary, Weesie, Ruben V., additional, Busker, Tim S., additional, Matanó, Alessia, additional, Mazzoleni, Maurizio, additional, and van Loon, Anne F., additional
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- 2023
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41. Hydrological Drought Generation Processes and Severity Are Changing in the Alps
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Brunner, Manuela I., primary, Götte, Jonas, additional, Schlemper, Christopher, additional, and Van Loon, Anne F., additional
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- 2023
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42. A coupled agent-based model to analyse human-drought feedbacks for agropastoralists in dryland regions
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Streefkerk, Ileen N., primary, de Bruijn, Jens, additional, Haer, Toon, additional, Van Loon, Anne F., additional, Quichimbo, Edisson A., additional, Wens, Marthe, additional, Hassaballah, Khalid, additional, and Aerts, Jeroen C. J. H., additional more...
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- 2023
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43. A comparison of seasonal rainfall forecasts over Central America using dynamic and hybrid approaches from Copernicus Climate Change Service seasonal forecasting system and the North American Multimodel Ensemble
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Kowal, Katherine M., primary, Slater, Louise J., additional, García López, Alan, additional, and Van Loon, Anne F., additional
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- 2023
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44. Propagation from meteorological to hydrological drought in the Horn of Africa using both standardized and threshold-based indices
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Odongo, Rhoda A., primary, De Moel, Hans, additional, and Van Loon, Anne F., additional
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- 2022
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45. Supplementary material to "Propagation from meteorological to hydrological drought in the Horn of Africa using both standardized and threshold-based indices"
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Odongo, Rhoda A., primary, De Moel, Hans, additional, and Van Loon, Anne F., additional
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- 2022
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46. Chapter 9 - Process-based modelling
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Van Lanen, Henny A.J., Van Loon, Anne F., Wanders, Niko, and Prudhomme, Christel
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- 2023
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47. Chapter 10 - Human influence
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Van Loon, Anne F., Wanders, Niko, Bloomfield, John P., Fendeková, Miriam, Ngongondo, Cosmo, and Van Lanen, Henny A.J.
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- 2023
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48. Chapter 3 - Drought-generating processes
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Van Lanen, Henny A.J., Fendeková, Miriam, Bloomfield, John P., and Van Loon, Anne F.
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- 2023
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49. Moderate and Severe Hydrological Droughts in Europe Differ in Their Hydrometeorological Drivers
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Brunner, Manuela I., Van Loon, Anne F., Stahl, Kerstin, 2 Institute for Environmental Studies Vrije Universiteit Amsterdam Amsterdam The Netherlands, 1 Institute of Earth and Environmental Sciences University of Freiburg Freiburg Germany, and Water and Climate Risk more...
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drought types ,ddc:551.6 ,classification ,drought generation ,streamflow ,extremes ,typology ,Water Science and Technology - Abstract
Hydrological extreme events are generated by different sequences of hydrometeorological drivers, the importance of which may vary within the sample of drought events. Here, we investigate how the importance of different hydrometeorological driver sequences varies by event magnitude using a large sample of catchments in Europe. To do so, we develop an automated classification scheme for streamflow drought events. The classification scheme standardizes a previous qualitative drought typology and assigns events to one of eight drought event types—each characterized by a set of single or compounding drivers—using information about seasonality, precipitation deficits, and snow availability. The objective event classification reveals how drought drivers vary not just in space and by season, but also with event magnitude. Specifically, we show that (a) rainfall deficit droughts and cold snow season droughts are the dominant drought event type in Western Europe and Eastern and Northern Europe, respectively; (b) rainfall deficit and cold snow season droughts are important from autumn to spring while snowmelt and wet‐to‐dry season droughts are important in summer; and (c) moderate droughts are mainly driven by rainfall deficits while severe events are mainly driven by snowmelt deficits in colder climates and by streamflow deficits transitioning from the wet to the dry season in warmer climates. These differences in sequences of drought generation mechanisms for severe and moderate events suggest that future changes in hydrometeorological drivers may affect moderate and severe events differently., Key Points: We develop a standardized and objective classification scheme for streamflow droughts using hydroclimatic information. The most severe drought events are governed by other processes than moderate events. Moderate droughts are dominated by rainfall deficits and severe droughts by snowmelt deficits or prolonged rainfall deficit droughts., Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659, EC/H2020/PRIORITY 'Excellent science'/H2020 European Research Council http://dx.doi.org/10.13039/100010663, https://www.bafg.de/GRDC/EN/02_srvcs/21_tmsrs/riverdischarge_node.html, https://doi.pangaea.de/10.1594/PANGAEA.887470, https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-land?tab=overview, http://www.hydroshare.org/resource/77114d4dfdfd4dd39e0e1d99165f27b3 more...
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- 2022
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50. Go together, to go further! Reply to “Human–water research: discussion of ‘Guiding principles for hydrologists conducting interdisciplinary research and fieldwork with participants’”
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Höllermann, Britta, primary, Rangecroft, Sally, additional, Rohse, Melanie, additional, Banks, Eddie W., additional, Day, Rosie, additional, Di Baldassarre, Giuliano, additional, Frommen, Theresa, additional, Hayashi, Yasunori, additional, Lebek, Karen, additional, Mondino, Elena, additional, Rusca, Maria, additional, Wens, Marthe, additional, and Van Loon, Anne F., additional more...
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- 2022
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