Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW Germany

The flash-flood in Braunsbach in the north-eastern part of Baden-Wuerttemberg/Germany was a particularly strong and concise event which took place during the floods in southern Germany at the end of May/early June 2016. This article presents a detailed analysis of the hydro-meteorological forcing an...

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Autores: Bronstert, Axel, Agarwal, Ankit, Boessenkool, Berry, Crisologo, Irene, Fischer, Madlen, Heistermann, Maik, Köhn-Reich, Lisei, López Tarazón, José Andrés, Moran, Thomas, Ozturk, Ugur, Reinhardt-Imjela, Christian, Wendi, Dadiyorto
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2018
País:España
Institución:Universitat de Lleida (UdL)
Repositorio:Repositori Obert UdL
OAI Identifier:oai:repositori.udl.cat:10459.1/469479
Acceso en línea:https://hdl.handle.net/10459.1/469479
Access Level:acceso abierto
Palabra clave:Flash flood analysis
Forensic disaster analysis
Radar rainfall data
Extreme discharge data
Extreme event
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spelling Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW GermanyBronstert, AxelAgarwal, AnkitBoessenkool, BerryCrisologo, IreneFischer, MadlenHeistermann, MaikKöhn-Reich, LiseiLópez Tarazón, José AndrésMoran, ThomasOzturk, UgurReinhardt-Imjela, ChristianWendi, DadiyortoFlash flood analysisForensic disaster analysisRadar rainfall dataExtreme discharge dataExtreme eventThe flash-flood in Braunsbach in the north-eastern part of Baden-Wuerttemberg/Germany was a particularly strong and concise event which took place during the floods in southern Germany at the end of May/early June 2016. This article presents a detailed analysis of the hydro-meteorological forcing and the hydrological consequences of this event. A specific approach, the “forensic hydrological analysis” was followed in order to include and combine retrospectively a variety of data from different disciplines. Such an approach investigates the origins, mechanisms and course of such natural events if possible in a “near real time” mode, in order to follow the most recent traces of the event. The results show that it was a very rare rainfall event with extreme intensities which, in combination with catchment properties, led to extreme runoff plus severe geomorphological hazards, i.e. great debris flows, which together resulted in immense damage in this small rural town Braunsbach. It was definitely a record-breaking event and greatly exceeded existing design guidelines for extreme flood discharge for this region, i.e. by a factor of about 10. Being such a rare or even unique event, it is not reliably feasible to put it into a crisp probabilistic context. However, one can conclude that a return period clearly above 100 years can be assigned for all event components: rainfall, peak discharge and sediment transport. Due to the complex and interacting processes, no single flood cause or reason for the very high damage can be identified, since only the interplay and the cascading characteristics of those led to such an event. The roles of different human activities on the origin and/or intensification of such an extreme event are finally discussed.Elsevier2018info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttps://hdl.handle.net/10459.1/469479reponame:Repositori Obert UdL instname:Universitat de Lleida (UdL)InglésVersió postprint del document publicat a: https://doi.org/10.1016/j.lwt.2014.04.049Science of the total environment, 2018, vol. 630, p. 977-991cc-by-nc-nd (c) Elsevier, 2018info:eu-repo/semantics/openAccessoai:repositori.udl.cat:10459.1/4694792026-06-24T12:42:17Z
dc.title.none.fl_str_mv Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW Germany
title Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW Germany
spellingShingle Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW Germany
Bronstert, Axel
Flash flood analysis
Forensic disaster analysis
Radar rainfall data
Extreme discharge data
Extreme event
title_short Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW Germany
title_full Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW Germany
title_fullStr Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW Germany
title_full_unstemmed Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW Germany
title_sort Forensic hydro-meteorological analysis of an extreme flash flood: the 2016-05-29 event in Braunsbach, SW Germany
dc.creator.none.fl_str_mv Bronstert, Axel
Agarwal, Ankit
Boessenkool, Berry
Crisologo, Irene
Fischer, Madlen
Heistermann, Maik
Köhn-Reich, Lisei
López Tarazón, José Andrés
Moran, Thomas
Ozturk, Ugur
Reinhardt-Imjela, Christian
Wendi, Dadiyorto
author Bronstert, Axel
author_facet Bronstert, Axel
Agarwal, Ankit
Boessenkool, Berry
Crisologo, Irene
Fischer, Madlen
Heistermann, Maik
Köhn-Reich, Lisei
López Tarazón, José Andrés
Moran, Thomas
Ozturk, Ugur
Reinhardt-Imjela, Christian
Wendi, Dadiyorto
author_role author
author2 Agarwal, Ankit
Boessenkool, Berry
Crisologo, Irene
Fischer, Madlen
Heistermann, Maik
Köhn-Reich, Lisei
López Tarazón, José Andrés
Moran, Thomas
Ozturk, Ugur
Reinhardt-Imjela, Christian
Wendi, Dadiyorto
author2_role author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Flash flood analysis
Forensic disaster analysis
Radar rainfall data
Extreme discharge data
Extreme event
topic Flash flood analysis
Forensic disaster analysis
Radar rainfall data
Extreme discharge data
Extreme event
description The flash-flood in Braunsbach in the north-eastern part of Baden-Wuerttemberg/Germany was a particularly strong and concise event which took place during the floods in southern Germany at the end of May/early June 2016. This article presents a detailed analysis of the hydro-meteorological forcing and the hydrological consequences of this event. A specific approach, the “forensic hydrological analysis” was followed in order to include and combine retrospectively a variety of data from different disciplines. Such an approach investigates the origins, mechanisms and course of such natural events if possible in a “near real time” mode, in order to follow the most recent traces of the event. The results show that it was a very rare rainfall event with extreme intensities which, in combination with catchment properties, led to extreme runoff plus severe geomorphological hazards, i.e. great debris flows, which together resulted in immense damage in this small rural town Braunsbach. It was definitely a record-breaking event and greatly exceeded existing design guidelines for extreme flood discharge for this region, i.e. by a factor of about 10. Being such a rare or even unique event, it is not reliably feasible to put it into a crisp probabilistic context. However, one can conclude that a return period clearly above 100 years can be assigned for all event components: rainfall, peak discharge and sediment transport. Due to the complex and interacting processes, no single flood cause or reason for the very high damage can be identified, since only the interplay and the cascading characteristics of those led to such an event. The roles of different human activities on the origin and/or intensification of such an extreme event are finally discussed.
publishDate 2018
dc.date.none.fl_str_mv 2018
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/10459.1/469479
url https://hdl.handle.net/10459.1/469479
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Versió postprint del document publicat a: https://doi.org/10.1016/j.lwt.2014.04.049
Science of the total environment, 2018, vol. 630, p. 977-991
dc.rights.none.fl_str_mv cc-by-nc-nd (c) Elsevier, 2018
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc-nd (c) Elsevier, 2018
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositori Obert UdL
instname:Universitat de Lleida (UdL)
instname_str Universitat de Lleida (UdL)
reponame_str Repositori Obert UdL
collection Repositori Obert UdL
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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