|CREDITS||5 credits during the 1st year of 10553 ENGINEERING FOR NATURAL RISK MANAGEMENT (LM-26) SAVONA|
|SCIENTIFIC DISCIPLINARY SECTOR||ICAR/02|
|TEACHING LOCATION||SAVONA (ENGINEERING FOR NATURAL RISK MANAGEMENT)|
|MODULES||This unit is a module of:|
The course aims to provide the student with the knowledge needed to map the hazard due to floods and flash floods. Satellite flood monitoring techniques in support of emergency phases will also be explored t
The objectives are achieved through lessons, practical exercises and seminars on specific topics.
The aim of the course is to introduce the student to the basic concepts and techniques for flood hazard mapping. These include: - the basics of flood hazard mapping: common terminology, indicators of hazard magnitude, basics of mapping techniques - elements of the statistical analysis of the hydrological extremes (river discharge and rainfall). Source of data and common statistical techniques to derive rainfall and river flow quantiles - elements of hydrological models: common simple rainfall-runoff and flow routing models. - flood hazard mapping: empirical, physically based and geomorphological models At the end of the course the student is expected to be able to - understand the meaning of flood hazard magnitude and interpret flood hazard maps - retrieve and manipulate series of hydrological extremes and apply basic statistics deriving rainfall and flood quantiles - apply simple hydrological modelling to the result of the statistical analysis of extremes - draw a flood hazard map for a small river basin using geomorphological methods
The course addresses the problem of flood hazard mapping, as one of the stepr of flood risk assessment, by identifying the specific problems linked to the different sizes of watersheds and proposing different methods of solution, in function of the objective of the risk assessment (local scale assessment, country risk profiles, etc ..). In particular, both empirical and physically based methods for flood hazard mapping will be analysed.
The course intends to provide the student with the knowledge needed to interpret flood hazard maps with a view to a subsequent risk assessment, and provide the ability to map the same hazard with simplified methodologies. At the end of the course the student is expected to be able to face the problem of flood hazard mapping at various spatial scales, from the point of view of the end user and of the “producer” and link it to the assessment of the flood risk in support to the phases of the risk management cycle.
In detail the student is expected to be able to:
- understand the meaning of flood hazard magnitude and interpret flood hazard maps
- know the different flood mapping techniques
- retrieve and manipulate series of hydrological extremes and apply basic statistics deriving rainfall and flood quantiles
- apply simple hydrological modelling to the result of the statistical analysis of extremes
- draw a flood hazard map for a small river basin using geomorphological methods
- front lessons
- practical exercises in classroom to be completed as homework assignment
The topics covered by the course are so subdivided
Introduction: definition of meteo-hydrology, meteo-hydrological hazards and other hazards, methods of representation of flood hazard
Hydrological data analysis: Methods of analysis of hydrological observations for modeling of extremes, common databases for hydrological observations.
Principles of hydrology and hydraulics of extremes: principles of hydrological modelling for flood hazard mapping and flood forecast
Flood hazard mapping: empirical and phydically based flood hazard mapping moethods
Each section foresees the assignment of an exercise on a specific case study which must be presented for the exam.
Annual disasters statistical review (last):
Databases of meteo-hydrological observations:
•Global Runoff Data Centre(discharge) http://www.bafg.de/GRDC/EN/Home/homepage_node.html
•NCDC Climate data online: https://www.ncdc.noaa.gov/cdo-web/datasets
•IMERG/GPM - TRMM data (rainfall from satellite): https://pmm.nasa.gov/data-access/downloads/
•GEO-GEOSS portal: http://www.geoportal.org/
Global assessment report 2017
GIORGIO BONI (President)
ANTONIO PARODI (President Substitute)
All class schedules are posted on the EasyAcademy portal.
- presentation of a report on practical exercises carried out during the course.
- oral questions on any topic of the programme
60% of the summative assessment of the course is based on the presentation of the reports. 40% of
the assessment is based on the outcome of the oral questions.
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