2022
DOI: 10.5194/nhess-22-165-2022
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Compound inland flood events: different pathways, different impacts and different coping options

Abstract: Abstract. Several severe flood events hit Germany in recent years, with events in 2013 and 2016 being the most destructive ones, although dynamics and flood processes were very different. While the 2013 event was a slowly rising widespread fluvial flood accompanied by some severe dike breaches, the events in 2016 were fast-onset pluvial floods, which resulted in surface water flooding in some places due to limited capacities of the drainage systems and in destructive flash floods with high sediment loads and c… Show more

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Cited by 24 publications
(29 citation statements)
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“…Several among these events have become infamous for causing essential damage (e.g., BW/May2016, SL/May2018, and NW/Jul2014 events). As described by Thieken et al (2022), such damage is often caused by compound inland floods. Once the reprocessed RADOLAN data for the year 2021 are available, the year 2021 should be included in the extreme value statistics to ensure a consistent calculation for all events and for better comparability regarding the WG/Jul2021 event.…”
Section: Discussionmentioning
confidence: 99%
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“…Several among these events have become infamous for causing essential damage (e.g., BW/May2016, SL/May2018, and NW/Jul2014 events). As described by Thieken et al (2022), such damage is often caused by compound inland floods. Once the reprocessed RADOLAN data for the year 2021 are available, the year 2021 should be included in the extreme value statistics to ensure a consistent calculation for all events and for better comparability regarding the WG/Jul2021 event.…”
Section: Discussionmentioning
confidence: 99%
“…The latter is also referred to as a compound event, which the IPCC defined as 1. two or more extreme events occurring simultaneously or successively, 2. combinations of extreme events with underlying conditions that amplify the impact of these events, and/or 3. combinations of events that are not extreme themselves but lead to an extreme event or impact when combined. Thieken et al (2022) adopted this concept and described some of the most destructive floods that have been observed in Germany as compound inland floods, as these were a chain of interacting and cascading events. In August 2002, for example, the city of Dresden was hit by consecutive flood events which were effectively triggered by the same rainfall event.…”
Section: Introductionmentioning
confidence: 99%
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“…Previous major floods in the Ahr valley, Germany, namely 2006 and 2013, also caused inundation damage. However, those previous water levels rose on average to 0.83 and 0.46 m above the ground level, respectively (Thieken et al, 2022). In addition, high flow velocities and resulting damage due to impacting debris, undermining of paved surfaces and souring of foundations were reported frequently for these valley confined flood events (Laudan et al, 2017), processes specifically harmful to critical road infrastructure (Kreibich et al, 2002).…”
Section: Anthropogenic Dimensionmentioning
confidence: 99%
“…The term 'flood' , a 'primary' hazard type, includes various subtypes such as coastal, riverine, glacial lake outburst, dam-break and flash flood amongst others, each characterized by different impact profiles in space and time, thus requiring subtype-specific approaches to risk reduction, resilience and adaptation [17][18][19]. With climate change, the spatial and temporal distribution of flood risk, for all subtypes, continues to evolve.…”
Section: Types Of Flood and Interactionsmentioning
confidence: 99%