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The flash flood of the Ahr river catchment in the Western part of Germany in July 2021 is one of the six case study example in the HydroEurope project.
Please find attached presentations, tutorials, data sets and literature for the case study analysis and your team work tasks. The data sources are linked from google drive with accessibility rights for team 3, which deals with this case study.
Case Study Ressources
Introduction
Presentations
Flash Floods 2021 in Germany -> incl. Ahr flash flood on 14 July 2021
Case Study Introduction, V1.2 (08.11.24)
Description
Short Catchment Introduction (V1.2)
Teaching Units - Tutorials
Catchment Data Analysis
GIS Pre-Processing of Spatial Catchment Data - ArcGIS (V2.4)
Text Protocol - QGIS (V0.9 03.12.2024)
Advanced Modelling
SWAT Tutorial (V0.6)
Uncertainties in Modelling
Uncertainty Analysis HEC-HMS (V1.1)
Calibration HEC-HMS (V1.1)
Climate Change Impacts
Hydraulic Flood Modeling
Discharge Transformation: Altenahr_14072021_1330.xlsx
Stage-Discharge Curve Schuld: stage_discharge_curve.txt
Accidental Water Pollution
Data Sets
Spatial Data (data is stored on BTU EuroAquae Server)
DEM (EU-DEM 25 m resolution)
DTM01 tiles for Schuld
Region Counties (Shapefile)
CORINE Land cover 2018 (100 m resolution)
Global Hydrologic Soil Groups (250 m resolution)
European Soil Data Centre (1000 m resolution)
Precipitation Measurement Stations (locations in Germany, DWD precipitation)
Water Level Gauge Stations (locations at river Ahr, ETRS UTM Z32)
Temporal Data (data is stored on BTU EuroAquae Server)
Radar based Precipitation Data Radolan 2021 July (DWD)
Water Level & Rating Curves at River Gauge Stations (LfU RLP)
Design Rainfall Intensities
KOSTRA-DWD Webpage (in German)
KOSTRA-DWD data set (open data)
Web Services / Geoportals
3D Viewer: http://www.rheinland-pfalz-in-3d.rlp.de/
WMS DTK25 (1:25000) for Nordrhein-Westfalen (North Rhine-Westphalia)
https://www.wms.nrw.de/geobasis/wms_nw_dtk25?WMS DTK25 (1:25000) for Rheinland-Pfalz (Rhineland-Palatinate)
https://www.geoportal.rlp.de/mapbender/php/wms.php?layer_id=61671WMS DOP40 (1:25000) for Rheinland-Pfalz (Rhineland-Palatinate)
DOP40_Sonderbefliegung_Hochwasser – digital orthophotos after the flood 2021
https://www.geoportal.rlp.de/mapbender/php/wms.php?layer_id=73160WMS Contour Lines (1:5000) for Rheinland-Pfalz (Rhineland-Palatinate)
https://www.geoportal.rlp.de/mapbender/php/wms.php?layer_id=32876flash flood map service Rhineland-Palatinate
https://wasserportal.rlp-umwelt.de/auskunftssysteme/sturzflutgefahrenkarten/sturzflutkarte
Literature
Extreme flooding in Western Germany: Some thoughts on hazards, return periods and risk
in IAHR Hydrolink 2021 4, ISSN: 1388-3445
https://static.iahr.org/library/HydroLink/HL2021_4/Hydrolink_2021_4_Extreme_Flooding_Events.pdfA multi-disciplinary analysis of the exceptional flood event of July 2021 in central Europe
– Part 1: Event description and analysis
https://doi.org/10.5194/nhess-23-525-2023A multi-disciplinary analysis of the exceptional flood event of July 2021 in central Europe
– Part 2: Historical context and relation to climate change
https://doi.org/10.5194/nhess-23-1287-2023Brief communication:
Impact forecasting could substantially improve the emergency management of deadly floods:
case study July 2021 floods in Germany
https://doi.org/10.5194/nhess-22-3005-2022Rapid attribution of heavy rainfall events leading to the severe flooding in Western Europe during July 2021
https://www.preventionweb.net/publication/rapid-attribution-heavy-rainfall-events-leading-severe-flooding-western-europe-during
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