Discharges of past flood events based on historical river profiles

Sudhaus, Dirk; Seidel, Jochen; Bürger, Katrin; Dostal, Paul; Imbery, Florian; Mayer, Helmut; Glaser, Rüdiger; Konold, Werner

doi:10.5194/hessd-5-323-2008

Cited by 9 publications

(11 citation statements)

References 9 publications

(15 reference statements)

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“…This shows the necessity to resort to modern-day spatially high resolution data and comparable precipitation patterns in order to overcome the drawbacks of the historical meteorological data. The peak flood discharge simulation along the river channel of the Neckar River shows that the discharges derived from different independent sources correspond well, apart from three cross profiles in the upper Neckar section, where the hydraulic simulations produced outliers (Sudhaus et al, 2008). The historical discharge calculations from 1896 (which are based upon the river morphology at that time) as well as the LARSIM simulation using historical meteorological data and the current river morphology, yield discharges which correspond to a HQ 100.…”

Section: Discussionmentioning

confidence: 99%

“…The conditions during the flood event in the river channel (scour, fill, debris) as well as the adjacent flood plain are difficult to determine and thus have a factor of uncertainty. A study by Sudhaus et al (2008) however has shown, that the best results are obtained by using standard values from HEC-RAS (river bed roughness 0.03, floodplain roughness (high grass cover) 0.035).…”

Section: Hydraulic Modeling Of Historical Dischargesmentioning

confidence: 99%

“…torical calculations. The magenta triangles show the calculated discharges at nine cross profiles with HEC-RAS using the water level with standard roughness parameters and the olive triangles depict the discharges calculated using the energy line with standard roughness parameters (Sudhaus et al, 2008). Additionally, the results from the LARSIM simulation (see above), the discharges of the current HQ 100 (LfU, 2005) and the contemporary discharges calculations by the local water authorities from 1896 (Königliches Ministerium des Innern, 1896) are shown as lines.…”

Section: Discharge Simulation With Larsimmentioning

confidence: 99%

“…These cross profiles are situated between Rottweil (river km 344) and Gemmrigheim (river km 137). The historical cross profiles were used to model flood discharges with the HEC-RAS model (Sudhaus et al, 2008). In the city of Tübingen, a historical cross profile of the gauging station as well as daily water stages are available.…”

Section: Run-off Simulation With Larsim and Meteorological Input Paramentioning

confidence: 99%

“…A calibration of the model was not possible because the stage-discharge relations were not known for the historical cross profiles. Discharges were calculated as subcritical flow conditions (Sudhaus et al, 2008). The conditions during the flood event in the river channel (scour, fill, debris) as well as the adjacent flood plain are difficult to determine and thus have a factor of uncertainty.…”

Section: Hydraulic Modeling Of Historical Dischargesmentioning

confidence: 99%

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Potential of historical meteorological and hydrological data for the reconstruction of historical flood events – the example of the 1882 flood in southwest Germany

Seidel

Imbery

Dostal

et al. 2009

Nat. Hazards Earth Syst. Sci.

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Abstract. This paper presents a hydrometeorological reconstruction of the flood triggering meteorological situation and the simulation of discharges of the flood event of December 1882 in the Neckar catchment in Baden-Württemberg (southwest Germany). The course of the 1882 flood event in the Neckar catchment in southwest Germany and the weather conditions which led to this flood were reconstructed by evaluating the information from various historical sources. From these historical data, daily input data sets were derived for run-off modeling. For the determination of the precipitation pattern at the end of December 1882, the sparse historical data were modified by using a similar modern day precipitation pattern with a higher station density. The results of this run-off simulation are compared with contemporary historical data and also with 1-D hydraulic simulations using the HEC-RAS model.

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Section: Discussionmentioning

confidence: 99%

Section: Hydraulic Modeling Of Historical Dischargesmentioning

confidence: 99%

Section: Discharge Simulation With Larsimmentioning

confidence: 99%

Section: Run-off Simulation With Larsim and Meteorological Input Paramentioning

confidence: 99%

Section: Hydraulic Modeling Of Historical Dischargesmentioning

confidence: 99%

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Potential of historical meteorological and hydrological data for the reconstruction of historical flood events – the example of the 1882 flood in southwest Germany

Seidel

Imbery

Dostal

et al. 2009

Nat. Hazards Earth Syst. Sci.

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An inter‐basin backwater overflow (the Buhai Brook and the Ezer reservoir on the Jijia River, Romania)

Romanescu

Stoleriu

2013

Hydrological Processes

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During the last few years, the north‐western part of Romania has been affected by catastrophic floods with most of the watercourses reaching their highest recorded discharges. This study reports the generation of a numerical terrain model and the simulation of a backwater phenomenon at elevation steps according to the volume of water accumulated at the confluence of the Buhai Brook with the Jijia River. The hydrological data are complemented by rainfall data and the careful recording of the flood behaviour during the entire period of its development. The main aim of the study is to identify the causes of the backwater phenomenon and to highlight the material damage inflicted on the town of Dorohoi. At the same time, the study uses cartographic model that was developed to establish which areas are at risk of flooding at various levels of probability. The catastrophic flood began on the Buhai Brook, a slow‐flowing stream that drains the areas to the west of the town of Dorohoi and discharged into the upstream sector of the Jijia confluence. The flood caused two types of backwater waves: one behind the bridges and the houses built on the floodplain and a second that followed the course of the main stem (Jijia) upstream from the confluence, flooding the Ezer Lake, which was created specifically to attenuate such floods. The spillway backwater phenomenon was inter‐basin as it did not occur in a single hydrographic basin. The causes of the catastrophic flash flood and of the inter‐basin backwater overflow are natural but also reflect anthropogenic influence. After the lake filled, the discharge into the Jijia was controlled and the flooding downstream was thus greatly diminished. Though fortuitous, the backwater flooding was important in mitigating the impact of the flood wave from the Jijia River. Copyright © 2013 John Wiley & Sons, Ltd.

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The variability of European floods since AD 1500

Glaser

Riemann²,

Schönbein³

et al. 2010

Climatic Change

204

164

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auteurs : Rüdiger Glaser · Dirk Riemann · Johannes Schönbein · Mariano Barriendos · Rudolf Brázdil · Chiara Bertolin · Dario Camuffo · Mathias Deutsch · Petr Dobrovolný · Aryan van Engelen · Silvia Enzi · Monika Halíˇcková · Sebastian J. Koenig · Oldˇrich Kotyza · Danuta Limanówka · Jarmila Macková · Mirca Sghedoni · Brice Martin · Iso HimmelsbachInternational audienceThe paper presents a qualitative and quantitative analysis of flood variability and forcing of major European rivers since AD 1500. We compile and investigate flood reconstructions which are based on documentary evidence for twelve Central European rivers and for eight Mediterranean rivers. Flood variability and underlying climatological causes are reconstructed by using hermeneutic approaches including critical source analysis and by applying a semi-quantitative classification scheme. The paper describes the driving climatic causes, seasonality and variability of observed flood events within the different river catchments covering the European mainland. Historical flood data are presented and recent research in the field of historical flood reconstructions is highlighted. Additionally, the character of the different flood series is discussed. A comparison of the historical flood seasonality in relation to modern distribution is given and aspects of the spatial coherence are presented. The comparative analysis points to the fact that the number of flood events is predominately triggered by regional climatic forcing, with at most only minor influence on neighbouring catchments. The only exceptions are extreme, supra-regional climatic events and conditions such as anomalous cold winters, similar to that of 1784, which affected large parts of Europe and triggered flood events in several catchments as a result of ice-break at the beginning of the annual thaw. Four periods of increased occurrence of flooding, mostly affecting Central European Rivers, have been identified; 1540–1600, 1640–1700, 1730–1790, 1790–1840. The reconstruction, compilation and analysis of European-wide flood data over the last five centuries reveal the complexity of the underlying climatological causes and the high variability of flood events in temporal and spatial dimension

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Discharges of past flood events based on historical river profiles

Cited by 9 publications

References 9 publications

Potential of historical meteorological and hydrological data for the reconstruction of historical flood events – the example of the 1882 flood in southwest Germany

Potential of historical meteorological and hydrological data for the reconstruction of historical flood events – the example of the 1882 flood in southwest Germany

An inter‐basin backwater overflow (the Buhai Brook and the Ezer reservoir on the Jijia River, Romania)

The variability of European floods since AD 1500

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