Articles | Volume 18, issue 9
https://doi.org/10.5194/hess-18-3817-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-18-3817-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
A physical approach on flood risk vulnerability of buildings
B. Mazzorana
Department of Hydraulic Engineering, Autonomous Province of Bolzano, Bolzano, Italy
S. Simoni
Mountain-eering S.r.l., Bolzano, Italy
C. Scherer
Obrist & Partner Engineering, Caldaro, Italy
B. Gems
Institute for Infrastructure Engineering, University of Innsbruck, Innsbruck, Austria
Institute of Mountain Risk Engineering, University of Natural Resources and Life Sciences, Vienna, Austria
M. Keiler
Institute of Geography, University of Bern, Bern, Switzerland
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Hedieh Soltanpour, Kamal Serrhini, Joel C. Gill, Sven Fuchs, and Solmaz Mohadjer
EGUsphere, https://doi.org/10.5194/egusphere-2024-1779, https://doi.org/10.5194/egusphere-2024-1779, 2024
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We applied the Maximum Entropy model to characterize multi-hazard scenarios in karst environments, focusing on flood-triggered sinkholes in Val d'Orléans, France. Karst terrains as multi-hazard forming areas, have received little attention in multi-hazard literature. Our study developed a multi-hazard susceptibility map to forecast the spatial distribution of these hazards. The findings improve understanding of hazard interactions and demonstrate the model's utility in multi-hazard analysis.
Wolfgang Schwanghart, Ankit Agarwal, Kristen Cook, Ugur Ozturk, Roopam Shukla, and Sven Fuchs
Nat. Hazards Earth Syst. Sci., 24, 3291–3297, https://doi.org/10.5194/nhess-24-3291-2024, https://doi.org/10.5194/nhess-24-3291-2024, 2024
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The Himalayan landscape is particularly susceptible to extreme events, which interfere with increasing populations and the expansion of settlements and infrastructure. This preface introduces and summarizes the nine papers that are part of the special issue,
Estimating and predicting natural hazards and vulnerabilities in the Himalayan region.
Théo St. Pierre Ostrander, Thomé Kraus, Bruno Mazzorana, Johannes Holzner, Andrea Andreoli, Francesco Comiti, and Bernhard Gems
Nat. Hazards Earth Syst. Sci., 24, 1607–1634, https://doi.org/10.5194/nhess-24-1607-2024, https://doi.org/10.5194/nhess-24-1607-2024, 2024
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Mountain river confluences are hazardous during localized flooding events. A physical model was used to determine the dominant controls over mountain confluences. Contrary to lowland confluences, in mountain regions, the channel discharges and (to a lesser degree) the tributary sediment concentration control morphological patterns. Applying conclusions drawn from lowland confluences could misrepresent depositional and erosional patterns and the related flood hazard at mountain river confluences.
Mauro Fischer, Mario Kummert, Reto Aeschbacher, Christoph Graf, Alexis Rüeger, Philippe Schoeneich, Markus Zimmermann, and Margreth Keiler
EGUsphere, https://doi.org/10.5194/egusphere-2023-1190, https://doi.org/10.5194/egusphere-2023-1190, 2023
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Due to climate change, the hazard for debris flows originating in glacier forefields or areas dominated by seasonal to perennial frost is increasing. Hazard assessment for this type of debris flows is especially difficult as records of past events are typically scarce or inexistent. We therefore developed a multi-methods approach for scenario building and runout modelling for pro- and periglacial debris flows triggered by precipitation events and applied it to a catchment in the Swiss Alps.
Stefan Oberndorfer, Philip Sander, and Sven Fuchs
Nat. Hazards Earth Syst. Sci., 20, 3135–3160, https://doi.org/10.5194/nhess-20-3135-2020, https://doi.org/10.5194/nhess-20-3135-2020, 2020
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The article provides a comparison of a standard (deterministic) risk assessment approach for roads exposed to a multi-hazard environment with a probabilistic risk analysis method to show the potential bias in the results. A probabilistic approach enables the quantification of epistemic uncertainty and uses probability distributions to characterize data uncertainty of the input variables, while a deterministic computation uses single values with discrete values without uncertainty representation.
Andrea Franco, Jasper Moernaut, Barbara Schneider-Muntau, Michael Strasser, and Bernhard Gems
Nat. Hazards Earth Syst. Sci., 20, 2255–2279, https://doi.org/10.5194/nhess-20-2255-2020, https://doi.org/10.5194/nhess-20-2255-2020, 2020
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This study highlights the use of the software Flow-3D in reproducing landslide-generated impulse waves. Due to the available data and the possibility of comparing the results with other previous works, a numerical modelling investigation on the 1958 Lituya Bay tsunami event is proposed. It is noted that the rockslide impact into the waterbody has a key role in the wave initiation and thus its propagation. The concept used in this work can be applied to prevent such phenomena in future.
Mark Bawa Malgwi, Sven Fuchs, and Margreth Keiler
Nat. Hazards Earth Syst. Sci., 20, 2067–2090, https://doi.org/10.5194/nhess-20-2067-2020, https://doi.org/10.5194/nhess-20-2067-2020, 2020
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Mitigation planning and economic loss assessment generally rely on flood damage prediction models. However, unavailability of empirical data has limited the use of such models in data-scarce areas. This paper combines the vulnerability indicator and damage grade approach to develop a conceptual framework for predicting building damage in data-scarce regions. The framework can be implemented using only expert knowledge and facilitates transferability of flood damage models in data-scarce areas.
Matthias Schlögl, Gerald Richter, Michael Avian, Thomas Thaler, Gerhard Heiss, Gernot Lenz, and Sven Fuchs
Nat. Hazards Earth Syst. Sci., 19, 201–219, https://doi.org/10.5194/nhess-19-201-2019, https://doi.org/10.5194/nhess-19-201-2019, 2019
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Landslides are destructive events, threatening the integrity of land transport systems. This paper presents how road networks are vulnerable to landslides, with emphasis on the consequences for affected road users. Results show the merits of using agent-based traffic modelling to assess the impacts of road network interruptions on rural communities by providing insights into the characteristics of the population affected and the effects on its daily routine in terms of detour costs.
Veronika Röthlisberger, Andreas P. Zischg, and Margreth Keiler
Nat. Hazards Earth Syst. Sci., 18, 2431–2453, https://doi.org/10.5194/nhess-18-2431-2018, https://doi.org/10.5194/nhess-18-2431-2018, 2018
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We investigate the role of building value estimation schemes within flood exposure analyses on regional to national scales. Our results for Switzerland suggest that models based on individual buildings produce more reliable results than models based on surface area, but only if they consider the buildings' volume. Simple models tend to underestimate the exposure, which results in suboptimal allocation of resources for protection measures in decision making processes based on cost efficiency.
Sven Fuchs, Margreth Keiler, and Thomas Glade
Nat. Hazards Earth Syst. Sci., 17, 1203–1206, https://doi.org/10.5194/nhess-17-1203-2017, https://doi.org/10.5194/nhess-17-1203-2017, 2017
Sven Fuchs, Konstantinos Karagiorgos, Kyriaki Kitikidou, Fotios Maris, Spyridon Paparrizos, and Thomas Thaler
Hydrol. Earth Syst. Sci., 21, 3183–3198, https://doi.org/10.5194/hess-21-3183-2017, https://doi.org/10.5194/hess-21-3183-2017, 2017
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Flood risk management often overlooks public perception of the hazard, and, therefore, many risk management plans have failed. This paper examines the private adaptation capacity and willingness with respect to flood hazards as one reason for this failure. Based on the results of our case studies in Greece, key issues to be addressed were identified and improvements are being recommended for the social dimension surrounding the implementation of flood risk management plans.
Jorge A. Ramirez, Umamaheshwaran Rajasekar, Dhruvesh P. Patel, Tom J. Coulthard, and Margreth Keiler
Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2016-544, https://doi.org/10.5194/hess-2016-544, 2016
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Surat, India has a population of 4.5 million and lies on the banks of the river Tapi and is located downstream from a dam that repeatedly floods the city. Floods in Surat may increase in occurrence due to urbanization and climate change. We have developed a model that floods 50 % of the city and exposes > 60 % of the population and critical infrastructure. We highlight how modeling has contributed to changes in flood risk management and resulted in actions that increase city resilience.
Bernhard Gems, Bruno Mazzorana, Thomas Hofer, Michael Sturm, Roman Gabl, and Markus Aufleger
Nat. Hazards Earth Syst. Sci., 16, 1351–1368, https://doi.org/10.5194/nhess-16-1351-2016, https://doi.org/10.5194/nhess-16-1351-2016, 2016
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The presented study deals with numerical modelling of floods and their interactions with buildings. By means of a case study application, a commercial software is applied to simulate flooding within a test site situated in South Tyrol (Italy). A single-family house is thereby considered and exposed to specific flood discharges. The study shows possibilities and limits of numerical modelling techniques within flood risk management and, thereby, the planning of local structural protection measures.
R. Gabl, J. Seibl, B. Gems, and M. Aufleger
Nat. Hazards Earth Syst. Sci., 15, 2617–2630, https://doi.org/10.5194/nhess-15-2617-2015, https://doi.org/10.5194/nhess-15-2617-2015, 2015
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The paper focuses on a new and practical way to model an avalanche for a 3D-numerical simulation with the software FLOW-3D. The main goal is to simulate the induced impulse wave in a reservoir in order to quantify the amount of overtopping water. A generalised geometry is used to validate the concept with the help of existing simplified formulas for this paper.
C. Willi, C. Graf, Y. Deubelbeiss, and M. Keiler
Geogr. Helv., 70, 265–279, https://doi.org/10.5194/gh-70-265-2015, https://doi.org/10.5194/gh-70-265-2015, 2015
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The erosion of and depositions on channel bed surfaces are instrumental to understanding debris flow processes. We present different methods and highlight their pro and cons. Terrestrial and airborne laser scanning, erosion sensors, cross sections and geomorphological mapping are compared. Two of these approaches are tested and applied in a torrent. The results indicate that the methods are associated with variable temporal and spatial resolution as well as data quality and invested effort.
S. Fuchs, M. Keiler, and A. Zischg
Nat. Hazards Earth Syst. Sci., 15, 2127–2142, https://doi.org/10.5194/nhess-15-2127-2015, https://doi.org/10.5194/nhess-15-2127-2015, 2015
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A spatially explicit object-based temporal assessment of buildings and citizens exposed to natural hazards in Austria is presented, including elements at risk of river flooding, torrential flooding, and snow avalanches. It is shown that the repeatedly stated assumption of increasing losses due to continued population growth and related increase in assets has to be opposed to the local development of building stock, which is spatially and temporally variable.
B. Gems, M. Wörndl, R. Gabl, C. Weber, and M. Aufleger
Nat. Hazards Earth Syst. Sci., 14, 175–187, https://doi.org/10.5194/nhess-14-175-2014, https://doi.org/10.5194/nhess-14-175-2014, 2014
Related subject area
Subject: Engineering Hydrology | Techniques and Approaches: Theory development
A pulse-decay method for low (matrix) permeability analyses of granular rock media
A signal-processing-based interpretation of the Nash–Sutcliffe efficiency
Impact of cry wolf effects on social preparedness and the efficiency of flood early warning systems
Impact of detention dams on the probability distribution of floods
Hess Opinions: An interdisciplinary research agenda to explore the unintended consequences of structural flood protection
Managing uncertainty in flood protection planning with climate projections
Development of streamflow drought severity–duration–frequency curves using the threshold level method
Understanding flood regime changes in Europe: a state-of-the-art assessment
Simultaneous estimation of model state variables and observation and forecast biases using a two-stage hybrid Kalman filter
On teaching styles of water educators and the impact of didactic training
T-shaped competency profile for water professionals of the future
Ideal point error for model assessment in data-driven river flow forecasting
On the return period and design in a multivariate framework
Estimating strategies for multiparameter Multivariate Extreme Value copulas
Tao Zhang, Qinhong Hu, Behzad Ghanbarian, Derek Elsworth, and Zhiming Lu
Hydrol. Earth Syst. Sci., 27, 4453–4465, https://doi.org/10.5194/hess-27-4453-2023, https://doi.org/10.5194/hess-27-4453-2023, 2023
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Tight rock is essential to various emerging fields of energy geosciences such as EGS and CCUS, but its ultra-low permeability is not easily measurable as a rigorous and rapid theory-based measurement technique for sub-nanodarcy levels is lacking. For the first time, we resolve this by providing an integrated technique (termed gas permeability technique) with coupled theoretical development, experimental procedures, and a data interpretation workflow.
Le Duc and Yohei Sawada
Hydrol. Earth Syst. Sci., 27, 1827–1839, https://doi.org/10.5194/hess-27-1827-2023, https://doi.org/10.5194/hess-27-1827-2023, 2023
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The Nash–Sutcliffe efficiency (NSE) is a widely used score in hydrology, but it is not common in the other environmental sciences. One of the reasons for its unpopularity is that its scientific meaning is somehow unclear in the literature. This study attempts to establish a solid foundation for NSE from the viewpoint of signal progressing. This approach is shown to yield profound explanations to many open problems related to NSE. A generalized NSE that can be used in general cases is proposed.
Yohei Sawada, Rin Kanai, and Hitomu Kotani
Hydrol. Earth Syst. Sci., 26, 4265–4278, https://doi.org/10.5194/hess-26-4265-2022, https://doi.org/10.5194/hess-26-4265-2022, 2022
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Although flood early warning systems (FEWS) are promising, they inevitably issue false alarms. Many false alarms undermine the credibility of FEWS, which we call a cry wolf effect. Here, we present a simple model that can simulate the cry wolf effect. Our model implies that the cry wolf effect is important if a community is heavily protected by infrastructure and few floods occur. The cry wolf effects get more important as the natural scientific skill to predict flood events is improved.
Salvatore Manfreda, Domenico Miglino, and Cinzia Albertini
Hydrol. Earth Syst. Sci., 25, 4231–4242, https://doi.org/10.5194/hess-25-4231-2021, https://doi.org/10.5194/hess-25-4231-2021, 2021
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In this work, we introduce a new theoretically derived probability distribution of the outflows of in-line detention dams. The method may be used to evaluate the impact of detention dams on flood occurrences and attenuation of floods. This may help and support risk management planning and design.
Giuliano Di Baldassarre, Heidi Kreibich, Sergiy Vorogushyn, Jeroen Aerts, Karsten Arnbjerg-Nielsen, Marlies Barendrecht, Paul Bates, Marco Borga, Wouter Botzen, Philip Bubeck, Bruna De Marchi, Carmen Llasat, Maurizio Mazzoleni, Daniela Molinari, Elena Mondino, Johanna Mård, Olga Petrucci, Anna Scolobig, Alberto Viglione, and Philip J. Ward
Hydrol. Earth Syst. Sci., 22, 5629–5637, https://doi.org/10.5194/hess-22-5629-2018, https://doi.org/10.5194/hess-22-5629-2018, 2018
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One common approach to cope with floods is the implementation of structural flood protection measures, such as levees. Numerous scholars have problematized this approach and shown that increasing levels of flood protection can generate a false sense of security and attract more people to the risky areas. We briefly review the literature on this topic and then propose a research agenda to explore the unintended consequences of structural flood protection.
Beatrice Dittes, Olga Špačková, Lukas Schoppa, and Daniel Straub
Hydrol. Earth Syst. Sci., 22, 2511–2526, https://doi.org/10.5194/hess-22-2511-2018, https://doi.org/10.5194/hess-22-2511-2018, 2018
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There is large uncertainty in the future development of flood patterns, e.g., due to climate change. We quantify relevant uncertainties and show how they can be used for flood protection planning. We find that one ought to include an estimate of uncertainty that cannot be quantified from available data (hidden uncertainty), since projections and data at hand often cover only a limited range of the uncertainty spectrum. Furthermore, dependencies between climate projections must be accounted for.
J. H. Sung and E.-S. Chung
Hydrol. Earth Syst. Sci., 18, 3341–3351, https://doi.org/10.5194/hess-18-3341-2014, https://doi.org/10.5194/hess-18-3341-2014, 2014
J. Hall, B. Arheimer, M. Borga, R. Brázdil, P. Claps, A. Kiss, T. R. Kjeldsen, J. Kriaučiūnienė, Z. W. Kundzewicz, M. Lang, M. C. Llasat, N. Macdonald, N. McIntyre, L. Mediero, B. Merz, R. Merz, P. Molnar, A. Montanari, C. Neuhold, J. Parajka, R. A. P. Perdigão, L. Plavcová, M. Rogger, J. L. Salinas, E. Sauquet, C. Schär, J. Szolgay, A. Viglione, and G. Blöschl
Hydrol. Earth Syst. Sci., 18, 2735–2772, https://doi.org/10.5194/hess-18-2735-2014, https://doi.org/10.5194/hess-18-2735-2014, 2014
V. R. N. Pauwels, G. J. M. De Lannoy, H.-J. Hendricks Franssen, and H. Vereecken
Hydrol. Earth Syst. Sci., 17, 3499–3521, https://doi.org/10.5194/hess-17-3499-2013, https://doi.org/10.5194/hess-17-3499-2013, 2013
A. Pathirana, J. H. Koster, E. de Jong, and S. Uhlenbrook
Hydrol. Earth Syst. Sci., 16, 3677–3688, https://doi.org/10.5194/hess-16-3677-2012, https://doi.org/10.5194/hess-16-3677-2012, 2012
S. Uhlenbrook and E. de Jong
Hydrol. Earth Syst. Sci., 16, 3475–3483, https://doi.org/10.5194/hess-16-3475-2012, https://doi.org/10.5194/hess-16-3475-2012, 2012
C. W. Dawson, N. J. Mount, R. J. Abrahart, and A. Y. Shamseldin
Hydrol. Earth Syst. Sci., 16, 3049–3060, https://doi.org/10.5194/hess-16-3049-2012, https://doi.org/10.5194/hess-16-3049-2012, 2012
G. Salvadori, C. De Michele, and F. Durante
Hydrol. Earth Syst. Sci., 15, 3293–3305, https://doi.org/10.5194/hess-15-3293-2011, https://doi.org/10.5194/hess-15-3293-2011, 2011
G. Salvadori and C. De Michele
Hydrol. Earth Syst. Sci., 15, 141–150, https://doi.org/10.5194/hess-15-141-2011, https://doi.org/10.5194/hess-15-141-2011, 2011
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