# Analysis and mitigation of floods

lgciv2055  2020-2021  Louvain-la-Neuve

Analysis and mitigation of floods
Due to the COVID-19 crisis, the information below is subject to change, in particular that concerning the teaching mode (presential, distance or in a comodal or hybrid format).
4 credits
20.0 h + 15.0 h
Q1
Teacher(s)
Language
English
Prerequisites
Basic knowledge of probability and statistics, as taught in LFSAB1105, as well as some prior knowledge in hydrology (but not mandatory, as the essential elements are recalled)
Main themes
• Determination of design floods
• Management and operation of reservoirs and floodplains
• Simplified flood propagation modelling
• Introduction to the problematics of droughts
Aims
 At the end of this learning unit, the student is able to : 1 Contribution to the acquisition and evaluation of the following learning outcomes of the programme in civil engineering: AA1.1, AA1.2, AA1.3, AA2.1, AA2.2, AA2.3, AA2.4, AA2.5, AA3.1, AA3.3, AA5.2, AA5.3, AA5.5, AA5.6, AA6.2. More specifically, at the end of the course, the student will be able to: Determine the extreme discharges for the design of spilling systems and flood mitigation plans; Design flood retention reservoirs; Model the propagation of floods in a simplified way; Determine the characteristics of drought events Transversal learning outcomes: Links with events occurring in the world and critical assessment of those; Water resource management; Link technical and social aspects of flood mitigation planning
Content
1.    The question of floods and inundations
• Origin of floods
• Natural and man-inducing causes
2.    Pre-determination of flood discharges
• Empirical methods (historical methods, or based on the watershed dimensions)
• Statistical methods (extreme value distributions)
• Gradex method: rainfall-discharge relation for extreme rainfalls
3.    Flood control
• Retention reservoirs and flood attenuation
• Reservoir exploitation: flow mass curve, stochastical simulation (Fiering)
• Reservoir sedimentation
• Flood control for hydropower reservoirs
4.    Flood protection measures
• Watershed
• Floodplains
5.    Flood propagation
• Hydrological methods (Muskingum)
• Methods of cells
Teaching methods

Due to the COVID-19 crisis, the information in this section is particularly likely to change.

Lectures for teh theory and practical applications of teh course topics on real cases through homeworks or projects.
The course is given in the calssroom or online, depending on the number of registered students.
Evaluation methods

Due to the COVID-19 crisis, the information in this section is particularly likely to change.

The evaluation takes place in two parts:
• Continuous evaluation through regular assignments on the different topics of the course. Each assignment leads to a report or a presentation that is discussed with the professor during the exam session. This parts counts for 60 % of the final mark.
• An oral examination about the theoretical concepts taught in the course. This part counts for 40 % of the final mark. If the students fails this part, the weight is increased linearly toward 100 % for a mark lower than 8/20 for the oral part.
Online resources
Moodle site for the course, with lecture slides and notes, and other useful documents.
Bibliography
Faculty or entity

#### Programmes / formations proposant cette unité d'enseignement (UE)

Title of the programme
Sigle
Credits
Prerequisites
Aims
Master [120] in Civil Engineering