12 results on '"Aerts, Jeroen C. J. H."'
Search Results
2. Drivers of migration intentions in coastal Vietnam under increased flood risk from sea level rise
- Author
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Duijndam, Sem J., Botzen, W. J. Wouter, Hagedoorn, Liselotte C., Bubeck, Philip, Haer, Toon, Pham, My, and Aerts, Jeroen C. J. H.
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- 2023
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3. 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, and Van Loon, Anne F.
- Subjects
WATER quality ,DROUGHTS ,FLOOD risk - Abstract
This study synthesizes the current understanding of the hydrological, impact, and adaptation processes underlying drought‐to‐flood events (i.e., consecutive drought and flood events), and how they interact. Based on an analysis of literature and a global assessment of historic cases, we show how drought can affect flood risk and assess under which circumstances drought‐to‐flood interactions can lead to increased or decreased risk. We make a distinction between hydrological, socio‐economic and adaptation processes. Hydrological processes include storage and runoff processes, which both seem to mostly play a role when the drought is a multiyear event and when the flood occurs during the drought. However, which process is dominant when and where, and how this is influenced by human intervention needs further research. Processes related to socio‐economic impacts have been studied less than hydrological processes, but in general, changes in vulnerability seem to play an important role in increasing or decreasing drought‐to‐flood impacts. Additionally, there is evidence of increased water quality problems due to drought‐to‐flood events, when compared to drought or flood events by themselves. Adaptation affects both hydrological (e.g., through groundwater extraction) or socio‐economic (e.g., influencing vulnerability) processes. There are many examples of adaptation, but there is limited evidence of when and where certain processes occur and why. Overall, research on drought‐to‐flood events is scarce. To increase our understanding of drought‐to‐flood events we need more comprehensive studies on the underlying hydrological, socio‐economic, and adaptation processes and their interactions, as well as the circumstances that lead to the dominance of certain processes. This article is categorized under:Science of Water > Hydrological ProcessesScience of Water > Water Extremes [ABSTRACT FROM AUTHOR]
- Published
- 2024
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4. Impacts of Flooding and Flood Preparedness on Subjective Well-Being: A Monetisation of the Tangible and Intangible Impacts
- Author
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Hudson, Paul, Botzen, W. J. Wouter, Poussin, Jennifer, and Aerts, Jeroen C. J. H.
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- 2019
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5. Declining vulnerability to river floods and the global benefits of adaptation
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Jongman, Brenden, Winsemius, Hessel C., Aerts, Jeroen C. J. H., de Perez, Erin Coughlan, van Aalst, Maarten K., Kron, Wolfgang, and Ward, Philip J.
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- 2015
6. Portfolios of adaptation investments in water management
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Aerts, Jeroen C. J. H., Botzen, W. J. Wouter, and Werners, Saskia E.
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- 2015
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7. The role of small scale sand dams in securing water supply under climate change in Ethiopia
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Lasage, Ralph, Aerts, Jeroen C. J. H., Verburg, Peter H., and Sileshi, Alemu Seifu
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- 2015
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8. Anticipating sea‐level rise and human migration: A review of empirical evidence and avenues for future research.
- Author
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Duijndam, Sem J., Botzen, Wouter J. W., Hagedoorn, Liselotte C., and Aerts, Jeroen C. J. H.
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ABSOLUTE sea level change ,HUMAN migrations ,PLACE attachment (Psychology) ,CLIMATE change ,SALINIZATION - Abstract
Sea‐level rise (SLR) threatens millions of people living in coastal areas through permanent inundation and other SLR‐related hazards. Migration is one way for people to adapt to these coastal changes, but presents an enormous policy challenge given the number of people affected. Knowledge about the relationship between SLR‐related hazards and migration is therefore important to allow for anticipatory policymaking. In recent years, an increasing number of empirical studies have investigated, using survey or census data, how SLR‐related hazards including flooding, salinization, and erosion together with non‐environmental factors influence migration behavior. In this article, we provide a systematic literature review of this empirical work. Our review findings indicate that flooding is not necessarily associated with increased migration. Severe flood events even tend to decrease long‐term migration in developing countries, although more research is needed to better understand the underpinnings of this finding. Salinization and erosion do generally lead to migration, but the number of studies is sparse. Several non‐environmental factors including wealth and place attachment influence migration alongside SLR‐related hazards. Based on the review, we propose a research agenda by outlining knowledge gaps and promising avenues for future research on this topic. Promising research avenues include using behavioral experiments to investigate migration behavior under future SLR scenarios, studying migration among other adaptation strategies, and complementing empirical research with dynamic migration modeling. We conclude that more empirical research on the SLR‐migration nexus is needed to properly understand and anticipate the complex dynamics of migration under SLR, and to design adequate policy responses. This article is categorized under: Climate Economics < Aggregation Techniques for Impacts and Mitigation CostsVulnerability and Adaptation to Climate Change < Learning from Cases and AnalogiesAssessing Impacts of Climate Change < Evaluating Future Impacts of Climate Change [ABSTRACT FROM AUTHOR]
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- 2022
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9. Pathways to resilience: Adapting to sea level rise in Los Angeles
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Aerts, Jeroen C. J. H., Barnard, Patrick L., Botzen, Wouter, Grifman, Phyllis, Hart, Juliette Finzi, De Moel, Hans, Mann, Alyssa Newton, de Ruig, Lars T., Sadrpour, Nick, Overig wetenschappelijk personeel, and UU LEG Research UUSE Multidisciplinary Economics
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coastal area ,cost ,A Journal ,flood risk ,adaptation ,resilience ,Los Angeles - Abstract
Los Angeles (LA) County's coastal areas are highly valued for their natural benefits and their economic contributions to the region. While LA County already has a high level of exposure to flooding (e.g. people, ports, and harbors), climate change and sea level rise will increase flood risk; anticipating this risk requires adaptation planning to mitigate social, economic, and physical damage. This study provides an overview of the potential effects of sea level rise on coastal LA County and describes adaptation pathways and estimates associated costs in order to cope with sea level rise. An adaptation pathway in this study is defined as the collection of measures (e.g., beach nourishment, dune restoration, flood‐proofing buildings, and levees) required to lower flood risk. The aim of using different adaptation pathways is to enable a transition from one methodology to another over time. These pathways address uncertainty in future projections, allowing for flexibility among policies and potentially spreading the costs over time. Maintaining beaches, dunes, and their natural dynamics is the foundation of each of the three adaptation pathways, which address the importance of beaches for recreation, environmental value, and flood protection. In some scenarios, owing to high projections of sea level rise, additional technical engineering options such as levees and sluices may be needed to reduce flood risk. The research suggests three adaptation pathways, anticipating a +1 ft (0.3 m) to +7 ft (+2 m) sea level rise by year 2100. Total adaptation costs vary between $4.3 and $6.4 bn, depending on measures included in the adaptation pathway.
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- 2018
10. Adaptation to flood risk: Results of international paired flood event studies.
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Kreibich, Heidi, Di Baldassarre, Giuliano, Vorogushyn, Sergiy, Aerts, Jeroen C. J. H., Apel, Heiko, Aronica, Giuseppe T., Arnbjerg‐Nielsen, Karsten, Bouwer, Laurens M., Bubeck, Philip, Caloiero, Tommaso, Chinh, Do T., Cortès, Maria, Gain, Animesh K., Giampá, Vincenzo, Kuhlicke, Christian, Kundzewicz, Zbigniew W., Llasat, Maria Carmen, Mård, Johanna, Matczak, Piotr, and Mazzoleni, Maurizio
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FLOOD risk ,EMERGENCY management - Abstract
As flood impacts are increasing in large parts of the world, understanding the primary drivers of changes in risk is essential for effective adaptation. To gain more knowledge on the basis of empirical case studies, we analyze eight paired floods, that is, consecutive flood events that occurred in the same region, with the second flood causing significantly lower damage. These success stories of risk reduction were selected across different socioeconomic and hydro-climatic contexts. The potential of societies to adapt is uncovered by describing triggered societal changes, as well as formal measures and spontaneous processes that reduced flood risk. This novel approach has the potential to build the basis for an international data collection and analysis effort to better understand and attribute changes in risk due to hydrological extremes in the framework of the IAHSs Panta Rhei initiative. Across all case studies, we find that lower damage caused by the second event was mainly due to significant reductions in vulnerability, for example, via raised risk awareness, preparedness, and improvements of organizational emergency management. Thus, vulnerability reduction plays an essential role for successful adaptation. Our work shows that there is a high potential to adapt, but there remains the challenge to stimulate measures that reduce vulnerability and risk in periods in which extreme events do not occur. [ABSTRACT FROM AUTHOR]
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- 2017
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11. Regional Inequalities in Flood Insurance Affordability and Uptake under Climate Change.
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Tesselaar, Max, Botzen, W. J. Wouter, Haer, Toon, Hudson, Paul, Tiggeloven, Timothy, and Aerts, Jeroen C. J. H.
- Abstract
Flood insurance coverage can enhance financial resilience of households to changing flood risk caused by climate change. However, income inequalities imply that not all households can afford flood insurance. The uptake of flood insurance in voluntary markets may decline when flood risk increases as a result of climate change. This increase in flood risk may cause substantially higher risk-based insurance premiums, reduce the willingness to purchase flood insurance, and worsen problems with the unaffordability of coverage for low-income households. A socio-economic tipping-point can occur when the functioning of a formal flood insurance system is hampered by diminishing demand for coverage. In this study, we examine whether such a tipping-point can occur in Europe for current flood insurance systems under different trends in future flood risk caused by climate and socio-economic change. This analysis gives insights into regional inequalities concerning the ability to continue to use flood insurance as an instrument to adapt to changing flood risk. For this study, we adapt the "Dynamic Integrated Flood and Insurance" (DIFI) model by integrating new flood risk simulations in the model that enable examining impacts from various scenarios of climate and socio-economic change on flood insurance premiums and consumer demand. Our results show rising unaffordability and declining demand for flood insurance across scenarios towards 2080. Under a high climate change scenario, simulations show the occurrence of a socio-economic tipping-point in several regions, where insurance uptake almost disappears. A tipping-point and related inequalities in the ability to use flood insurance as an adaptation instrument can be mitigated by introducing reforms of flood insurance arrangements. [ABSTRACT FROM AUTHOR]
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- 2020
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12. A Review of Cost Estimates for Flood Adaptation.
- Author
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Aerts, Jeroen C. J. H.
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FLOODS ,NATURAL disasters ,PRICE inflation ,CONSTRUCTION cost estimates ,EMPIRICAL research - Abstract
Floods are the most devastating of global natural disasters, and flood adaptation measures are needed to reduce future risk. Researchers have started to evaluate the costs and benefits of flood adaptation, but information regarding the cost of different flood adaptation measures is often not available or is hidden in non-peer-reviewed literature. Recent review studies have explored cost estimates for different aspects of flood adaptation, such as nature-based solutions. This study aims to contribute empirical data regarding the cost of flood adaptation by compiling peer-reviewed literature and research reports. The focus is on construction costs and expenses for operation and maintenance. This paper integrates the unit cost information of six main flood adaptation measure categories: (1) the flood-proofing of buildings, (2) flood protection, (3) beach nourishment and dunes, (4) nature-based solutions for coastal ecosystems, (5) channel management and nature-based solutions for riverine systems, and (6) urban drainage. Cost estimates are corrected for inflation and converted to U.S. dollars (2016). Measures are described, and cost figures for both developed and developing countries are provided. The results of this study can be used as input for economic-assessment studies on flood adaptation measures. [ABSTRACT FROM AUTHOR]
- Published
- 2018
- Full Text
- View/download PDF
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